140-789: The River Lymn is a river in Lincolnshire , England. It rises in the Wolds on the eastern slope of Castcliffe Hill in Fulletby parish. It flows south-eastwards to the Lincolnshire Marsh , where it becomes known as the Steeping River on the boundary of Great Steeping parish. The main channel is supplemented by the Wainfleet Relief Channel as it passes Wainfleet All Saints , and the relief channel
280-582: A lake , an ocean , or another river. A stream refers to water that flows in a natural channel , a geographic feature that can contain flowing water. A stream may also be referred to as a watercourse. The study of the movement of water as it occurs on Earth is called hydrology , and their effect on the landscape is covered by geomorphology . Rivers are part of the water cycle , the continuous processes by which water moves about Earth. This means that all water that flows in rivers must ultimately come from precipitation . The sides of rivers have land that
420-539: A licence authority. The agency is funded in part from the UK government Department for Environment, Food and Rural Affairs (DEFRA). Additional money is raised from the issuing of licences and permits such as abstraction licences, waste handler registrations, navigation rights and rod (fishing) licences. Funding for asset management and improvement and acquisition of flood risk management assets has traditionally come from local authorities via flood defence committees. This
560-547: A trip hammer , and grind grains with a millstone . In the Middle Ages , water mills began to automate many aspects of manual labor , and spread rapidly. By 1300, there were at least 10,000 mills in England alone. A medieval watermill could do the work of 30–60 human workers. Water mills were often used in conjunction with dams to focus and increase the speed of the water. Water wheels continued to be used up to and through
700-740: A boat along certain stretches. In these religions, such as that of the Altai in Russia , the river is considered a living being that must be afforded respect. Rivers are some of the most sacred places in Hinduism. There is archeological evidence that mass ritual bathing in rivers at least 5,000 years ago in the Indus river valley . While most rivers in India are revered, the Ganges is most sacred. The river has
840-515: A central role in various Hindu myths, and its water is said to have properties of healing as well as absolution from sins. Hindus believe that when the cremated remains of a person is released into the Ganges, their soul is released from the mortal world. Freshwater fish make up 40% of the world's fish species, but 20% of these species are known to have gone extinct in recent years. Human uses of rivers make these species especially vulnerable. Dams and other engineered changes to rivers can block
980-413: A common outlet. Rivers have a great effect on the landscape around them. They may regularly overflow their banks and flood the surrounding area, spreading nutrients to the surrounding area. Sediment or alluvium carried by rivers shapes the landscape around it, forming deltas and islands where the flow slows down. Rivers rarely run in a straight line, instead, they bend or meander ; the locations of
1120-408: A continuous flow of water throughout the year. This may be because an arid climate is too dry depending on the season to support a stream, or because a river is seasonally frozen in the winter (such as in an area with substantial permafrost ), or in the headwaters of rivers in mountains, where snowmelt is required to fuel the river. These rivers can appear in a variety of climates, and still provide
1260-564: A habitat for aquatic life and perform other ecological functions. Subterranean rivers may flow underground through flooded caves. This can happen in karst systems, where rock dissolves to form caves. These rivers provide a habitat for diverse microorganisms and have become an important target of study by microbiologists . Other rivers and streams have been covered over or converted to run in tunnels due to human development. These rivers do not typically host any life, and are often used only for stormwater or flood control. One such example
1400-556: A high standard and based on sound science. The agency is the regulatory authority for all waste management activities including the licensing of sites such as landfill , incineration and recycling facilities. It also regulates the movement of hazardous wastes such as fibrous asbestos , infectious clinical wastes and harmful chemicals. The agency issues environmental permits to waste management sites and any individuals or companies found to have caused pollution or have infringed their licence conditions can be prosecuted. In serious cases
1540-495: A large scale. This has been attributed to unusually large floods destroying infrastructure; however, there is evidence that permanent changes to climate causing higher aridity and lower river flow may have been the determining factor in what river civilizations succeeded or dissolved. Water wheels began to be used at least 2,000 years ago to harness the energy of rivers. Water wheels turn an axle that can supply rotational energy to move water into aqueducts , work metal using
SECTION 10
#17327731852871680-547: A new pumping station to pump water from the drain into the Steeping in 1938. It contained two Ruston & Hornsby diesel engines, driving 36-inch (91 cm) Gwynnes centrifugal pumps, and could pump 322M gallons (1,460 Ml) per day when both were running. Responsibility for the drain and pumping station then passed to the Anglian Water Authority, and they built a new electric pumping station, which
1820-762: A peak flow of 253M gallons (1149 Ml) was recorded in April 1981. Discharge to the North Sea is along the Burgh Sluice Relief Channel during the winter and at times of high flow, but when flows in the river are low, Wainfleet Clough Sluice is used as the discharge point. The Environment Agency measure water quality of the river systems in England. Each is given an overall ecological status, which may be one of five levels: high, good, moderate, poor and bad. There are several components that are used to determine this, including biological status, which looks at
1960-556: A peak in the 1970s, when between two or three dams were completed every day, and has since begun to decline. New dam projects are primarily focused in China , India , and other areas in Asia . The first civilizations of Earth were born on floodplains between 5,500 and 3,500 years ago. The freshwater, fertile soil, and transportation provided by rivers helped create the conditions for complex societies to emerge. Three such civilizations were
2100-528: A report by consultants in 2001, these are estimated to prevent annual average damage costs of approximately £3.5 billion. The agency also invests in improving or providing new installations in areas where there remains a high risk of flooding, particularly where, because of the possible consequences, the damage risk is the highest. The Thames Barrier was completed long before the EA was created but more recent examples of major defences against coastal flooding include
2240-891: A ritualistic sense has been compared to the Christian ritual of baptism , famously the Baptism of Jesus in the Jordan River . Floods also appear in Norse mythology , where the world is said to emerge from a void that eleven rivers flowed into. Aboriginal Australian religion and Mesoamerican mythology also have stories of floods, some of which contain no survivors, unlike the Abrahamic flood. Along with mythological rivers, religions have also cared for specific rivers as sacred rivers. The Ancient Celtic religion saw rivers as goddesses. The Nile had many gods attached to it. The tears of
2380-425: A river can take several forms. Tidal rivers (often part of an estuary ) have their levels rise and fall with the tide . Since the levels of these rivers are often already at or near sea level, the flow of alluvium and the brackish water that flows in these rivers may be either upriver or downriver depending on the time of day. Rivers that are not tidal may form deltas that continuously deposit alluvium into
2520-1026: A river's banks can change frequently. Rivers get their alluvium from erosion , which carves rock into canyons and valleys . Rivers have sustained human and animal life for millennia, including the first human civilizations . The organisms that live around or in a river such as fish , aquatic plants , and insects have different roles, including processing organic matter and predation . Rivers have produced abundant resources for humans, including food , transportation , drinking water , and recreation. Humans have engineered rivers to prevent flooding, irrigate crops, perform work with water wheels , and produce hydroelectricity from dams. People associate rivers with life and fertility and have strong religious, political, social, and mythological attachments to them. Rivers and river ecosystems are threatened by water pollution , climate change , and human activity. The construction of dams, canals , levees , and other engineered structures has eliminated habitats, has caused
2660-460: A section of the river behind them into a lake or reservoir. This can provide nearby cities with a predictable supply of drinking water. Hydroelectricity is desirable as a form of renewable energy that does not require any inputs beyond the river itself. Dams are very common worldwide, with at least 75,000 higher than 6 feet (1.8 m) in the U.S. Globally, reservoirs created by dams cover 193,500 square miles (501,000 km ). Dam-building reached
2800-438: A water body is that body's riparian zone . Plants in the riparian zone of a river help stabilize its banks to prevent erosion and filter alluvium deposited by the river on the shore, including processing the nitrogen and other nutrients it contains. Forests in a riparian zone also provide important animal habitats . River ecosystems have also been categorized based on the variety of aquatic life they can sustain, also known as
2940-520: A water cycle that involved precipitation. The term flumen , in planetary geology , refers to channels on Saturn 's moon Titan that may carry liquid. Titan's rivers flow with liquid methane and ethane . There are river valleys that exhibit wave erosion , seas, and oceans. Scientists hope to study these systems to see how coasts erode without the influence of human activity, something that isn't possible when studying terrestrial rivers. Environment Agency The Environment Agency ( EA )
SECTION 20
#17327731852873080-467: Is Stockwith Mill Bridge. The A158 road crosses at Aswardby Bridge, and the site of Aswardby Mill is below that. The next crossing is at Sausthorpe Bridge, which carries a minor road towards Sausthorpe, and the river drops below the 65-foot (20 m) contour at this point. The course continues to the east, passing under the A16 road between Spilsby and Partney at Partney Bridge, by Mill Farm, where there
3220-700: Is a non-departmental public body , established in 1996 and sponsored by the United Kingdom government 's Department for Environment, Food and Rural Affairs , with responsibilities relating to the protection and enhancement of the environment in England (and until 2013 also Wales). Based in Bristol , the Environment Agency is responsible for flood management, waste management , regulating land and water pollution, and conservation. The Environment Agency's stated purpose is, "to protect or enhance
3360-445: Is a tributary , and the place they meet is a confluence . Rivers must flow to lower altitudes due to gravity . The bed of a river is typically within a river valley between hills or mountains . Rivers flowing through an impermeable section of land such as rocks will erode the slopes on the sides of the river. When a river carves a plateau or a similar high-elevation area, a canyon can form, with cliffs on either side of
3500-527: Is a weir with a footbridge over the top. Beyond Spilsby, it turns to the south, crossing under a minor road at Northorpe Bridge and the B1195 road at Halton Bridge, to the east of Halton Holegate . Mill Bridge carries another minor road over the channel, but by the time the river reaches it, the river is in the Fens, the channel is embanked on both sides, and it crosses the 16-foot (5 m) contour. The River Lymn
3640-504: Is also important for the lumber industry , as logs can be shipped via river. Countries with dense forests and networks of rivers like Sweden have historically benefited the most from this method of trade. The rise of highways and the automobile has made this practice less common. One of the first large canals was the Canal du Midi , connecting rivers within France to create a path from
3780-401: Is also responsible for increasing public awareness of flood risk, flood forecasting and warning and has a general supervisory duty for flood risk management. As of 2008 the Environment Agency also has a strategic overview role for all flood and coastal erosion risk management. The term "Flood Risk Management" in place of "Flood Defence" recognises that managed flooding is essential to meet
3920-564: Is an ancient dam built on the Nile 4,500 years ago. The Ancient Roman civilization used aqueducts to transport water to urban areas . Spanish Muslims used mills and water wheels beginning in the seventh century. Between 130 and 1492, larger dams were built in Japan, Afghanistan, and India, including 20 dams higher than 15 metres (49 ft). Canals began to be cut in Egypt as early as 3000 BC, and
4060-694: Is around £22& per annum. The agency uses the registration fees of some 31,000 craft on the waterways to provide some of the income. The agency's responsibilities include the non-tidal River Thames , the Medway Navigation , River Wye and River Lugg , the Royal Military Canal and the Fens and Anglian systems . The Environment Agency is organising the Fens Waterways Link a major construction project to link rivers in
4200-448: Is at a higher elevation than the river itself, and in these areas, water flows downhill into the river. The headwaters of a river are the smaller streams that feed a river, and make up the river's source. These streams may be small and flow rapidly down the sides of mountains . All of the land uphill of a river that feeds it with water in this way is in that river's drainage basin or watershed. A ridge of higher elevation land
4340-405: Is because any natural impediment to the flow of the river may cause the current to deflect in a different direction. When this happens, the alluvium carried by the river can build up against this impediment, redirecting the course of the river. The flow is then directed against the opposite bank of the river, which will erode into a more concave shape to accommodate the flow. The bank will still block
River Lymn - Misplaced Pages Continue
4480-491: Is carried out in line with the National Planning Policy Framework . The agency provides technical advice on the flood risk assessment that must be submitted with most planning applications in flood risk areas. The agency also runs public awareness campaigns to inform those at risk who may be unaware that they live in an area that is prone to flooding, as well as providing information about what
4620-453: Is correlated with and thus can be used to predict certain data points related to rivers, such as the size of the drainage basin (drainage area), and the length of the channel. The ecosystem of a river includes the life that lives in its water, on its banks, and in the surrounding land. The width of the channel of a river, its velocity, and how shaded it is by nearby trees. Creatures in a river ecosystem may be divided into many roles based on
4760-497: Is in part because of a projected loss of snowpack in mountains, meaning that melting snow can't replenish rivers during warm summer months, leading to lower water levels. Lower-level rivers also have warmer temperatures, threatening species like salmon that prefer colder upstream temperatures. Attempts have been made to regulate the exploitation of rivers to preserve their ecological functions. Many wetland areas have become protected from development. Water restrictions can prevent
4900-427: Is joined by another embanked channel, Lady Wath's Beck, as it passes between Great Steeping to the north and Little Steeping to the south, and takes the name Steeping River . The railway line between Boston and Skegness crosses to the north bank, and then follows the course of the river to below Wainfleet All Saints . The next bridge is Clough's Bridge, carrying a minor road over the main channel. Just before it,
5040-535: Is joined by the old course of the Lymn. Once the two channels rejoin, there are three flood defence structures to protect the region from flooding by the North Sea . The river rises on the southern slope of Belchford Hill, to the east of Belchford and close to the 300-foot (91 m) contour. It flows to the south and then to the east to reach Tetford , where there is a grade II listed water mill and mill house. It
5180-409: Is located to the east among the dunes and saltings. It is a Site of Special Scientific Interest (SSSI) and a Ramsar site , which provides a diverse habitat for birds such as grey plover and knot , plants including brackish water crowfoot and insects including the red-banded sand-wasp , among others. Gibraltar Point Sailing Club is located at Gibraltar Point, and the east bank of the river channel
5320-477: Is no limit on the amount of the fine and sentences of up to five years imprisonment may be imposed on those responsible for the pollution or on the directors of companies causing pollution. The agency has an important role in conservation and ecology specifically along rivers and in wetlands. More general responsibility for the countryside and natural environment in England falls to the organisation Natural England . The Environment Agency's activities support users of
5460-470: Is on the western channel, which is tidal below the sluice. The Burgh Sluice Relief Channel is to the east, and Burgh Sluice protects it from the sea just before the two channels rejoin. Cow Bank Drain was excavated in 1812, as part of the last land reclamation scheme in the area. Cow Bank pumping station, owned by the IDB, pumps the drain into the outfall. Below the outfall, Gibraltar Point National Nature Reserve
5600-402: Is part of permafrost ice caps, or trace amounts of water vapor in the atmosphere. However, there is evidence that rivers flowed on Mars for at least 100,000 years. The Hellas Planitia is a crater left behind by an impact from an asteroid. It has sedimentary rock that was formed 3.7 billion years ago, and lava fields that are 3.3 billion years old. High resolution images of the surface of
5740-633: Is rarely static, the exact location of a river border may be called into question by countries. The Rio Grande between the United States and Mexico is regulated by the International Boundary and Water Commission to manage the right to fresh water from the river, as well as mark the exact location of the border. Up to 60% of fresh water used by countries comes from rivers that cross international borders. This can cause disputes between countries that live upstream and downstream of
River Lymn - Misplaced Pages Continue
5880-434: Is required by law under the provisions of a number of European Directives to be reported both to Parliament and to be made public. Some of these duties have been in force through predecessor agencies and as a consequence the agency maintains some long term data sets which in some cases such as the harmonised monitoring scheme exceed 30 years of consistent data collection. Monitoring is also carried out of many discharges to
6020-701: Is that of the Mississippi River , whose drainage basin covers 40% of the contiguous United States . The river was then used for shipping crops from the American Midwest and cotton from the American South to other states as well as the Atlantic Ocean. The role of urban rivers has evolved from when they were a center of trade, food, and transportation to modern times when these uses are less necessary. Rivers remain central to
6160-553: Is the Sunswick Creek in New York City, which was covered in the 1800s and now exists only as a sewer-like pipe. While rivers may flow into lakes or man-made features such as reservoirs , the water they contain will always tend to flow down toward the ocean . However, if human activity siphons too much water away from a river for other uses, the riverbed may run dry before reaching the sea. The outlets mouth of
6300-513: Is used for mooring yachts. Now called Wainfleet Harbour, the channel crosses sand and mudflats to reach Wainfleet Swatch, an area of water protected from the North Sea by the Inner Knock sandbank at low water. The area to the south of Wainfleet Harbour is called Wainfleet Sand and is a danger area. It has been used for artillery practice since at least 1890, but may have been used for cannon and musketry practice long before that. More recently, it
6440-423: Is used to fund vital work to improve and protect fish and fisheries. Income generated is invested directly back into the angling community, improving fish stocks, boosting opportunities for anglers as well as undertaking fisheries enforcement, habitat improvement and fish rescues when needed. It is not used to fund wider water quality investigations or enforcement action. This is funded directly by government. After
6580-842: Is what typically separates drainage basins; water on one side of a ridge will flow into one set of rivers, and water on the other side will flow into another. One example of this is the Continental Divide of the Americas in the Rocky Mountains . Water on the western side of the divide flows into the Pacific Ocean , whereas water on the other side flows into the Atlantic Ocean . Not all precipitation flows directly into rivers; some water seeps into underground aquifers . These, in turn, can still feed rivers via
6720-599: The 2024 Summer Olympics . Another example is the restoration of the Isar in Munich from being a fully canalized channel with hard embankments to being wider with naturally sloped banks and vegetation. This has improved wildlife habitat in the Isar, and provided more opportunities for recreation in the river. As a natural barrier , rivers are often used as a border between countries , cities, and other territories . For example,
6860-487: The Atlantic Ocean to the Mediterranean Sea . The nineteenth century saw canal-building become more common, with the U.S. building 4,400 miles (7,100 km) of canals by 1830. Rivers began to be used by cargo ships at a larger scale, and these canals were used in conjunction with river engineering projects like dredging and straightening to ensure the efficient flow of goods. One of the largest such projects
7000-521: The Canal & River Trust , the Environment Agency is the second largest navigation authority in the United Kingdom managing navigation for 634 miles (1,020 km) of England's rivers. The Agency's lock-keepers maintain and operate systems of sluices , weirs and locks to manage water-levels for navigation, and where necessary to control flooding. Annual spending to maintain these installations, with an estimated replacement value of £700M,
7140-572: The Environment Agency , as is Croft Lane pumping station, which pumps the water from the Lymn into the relief channel. Croft Lane bridge is next, after which the A52 and the Boston to Skegness railway cross, and the relief channel rejoins Wainfleet Haven. The final section contains three flood defence structures. Haven House Sluice is first, after which the channel splits. Wainfleet Clough Outfall
SECTION 50
#17327731852877280-716: The Flood Forecasting Centre (FFC) which provides warnings of flooding which may affect England and Wales. Formed in 2009, the FFC is based in the Operations Centre at the Met Office headquarters in Exeter . The agency is the main regulator of discharges to air, water, and land – under the provisions of a series of Acts of Parliament. It does this through the issue of formal consents to discharge or, in
7420-501: The Industrial Revolution as a source of power for textile mills and other factories, but were eventually supplanted by steam power . Rivers became more industrialized with the growth of technology and the human population . As fish and water could be brought from elsewhere, and goods and people could be transported via railways , pre-industrial river uses diminished in favor of more complex uses. This meant that
7560-791: The Lamari River in New Guinea separates the Angu and the Fore people in New Guinea. The two cultures speak different languages and rarely mix. 23% of international borders are large rivers (defined as those over 30 meters wide). The traditional northern border of the Roman Empire was the Danube , a river that today forms the border of Hungary and Slovakia . Since the flow of a river
7700-745: The Medmerry managed realignment scheme in West Sussex in 2013. Recent examples of major inland flood prevention schemes include the Jubilee River . The Environment Agency provides flood forecasting and warning systems and maintains maps of areas liable to flood, as well as preparing emergency plans and responding when an event occurs. The Environment Agency carries out an advisory function in development control – commenting on planning applications within flood risk areas, providing advice to assist planning authorities in ensuring that any development
7840-525: The Nile and the Ganges . The Quran describes these four rivers as flowing with water, milk, wine, and honey, respectively. The book of Genesis also contains a story of a great flood . Similar myths are present in the Epic of Gilgamesh , Sumerian mythology, and in other cultures. In Genesis, the flood's role was to cleanse Earth of the wrongdoing of humanity. The act of water working to cleanse humans in
7980-568: The River Continuum Concept . "Shredders" are organisms that consume this organic material. The role of a "grazer" or "scraper" organism is to feed on the algae that collects on rocks and plants. "Collectors" consume the detritus of dead organisms. Lastly, predators feed on living things to survive. The river can then be modeled by the availability of resources for each creature's role. A shady area with deciduous trees might experience frequent deposits of organic matter in
8120-601: The River Dee in England and EA staff exercise operational responsibility for those parts of the River Severn catchment in Wales. The Environment Agency employs around 10,600 staff. It is organised into eight directorates that report to the chief executive. There are two "policy and process" directorates. One deals with Flood and Coastal Risk Management and the other with Environment and Business. These are backed up by
8260-627: The River Lethe to forget their previous life. Rivers also appear in descriptions of paradise in Abrahamic religions , beginning with the story of Genesis . A river beginning in the Garden of Eden waters the garden and then splits into four rivers that flow to provide water to the world. These rivers include the Tigris and Euphrates , and two rivers that are possibly apocryphal but may refer to
8400-614: The River Restoration Centre at Cranfield University . Until the formation of the Environment Agency, the Government took specialist advice on the management of the environment from civil servants employed in appropriate ministries. This led to considerable duplication of effort and frequent disagreements between Government and the regulatory agencies. The Environment Agency now advises Government directly about those issues within its purview. The operational arm of
8540-465: The River Tweed and River Solway catchments where special arrangements exist with SEPA to avoid duplication but retain management on a catchment basis. Complex arrangements exist for the management of river regulation reservoirs , which are used to store winter water in the wetter parts of England to maintain levels in the summer time so that there is sufficient water to supply the drier parts of
SECTION 60
#17327731852878680-458: The Severn bore . The EA operates a variety of equipment and machinery along with a transport fleet in order to carry out the specialised duties of its officers, namely in survey, incident response and monitoring. Due to the remit of the EA, this includes land vehicles, marine vessels and light aircraft. The agency uses its influence and provides education to change attitudes and behaviour towards
8820-787: The Sumerians in the Tigris–Euphrates river system , the Ancient Egyptian civilization in the Nile, and the Indus Valley Civilization on the Indus River . The desert climates of the surrounding areas made these societies especially reliant on rivers for survival, leading to people clustering in these areas to form the first cities . It is also thought that these civilizations were the first to organize
8960-485: The climate . The alluvium carried by rivers, laden with minerals, is deposited into the floodplain when the banks spill over, providing new nutrients to the soil, allowing them to support human activity like farming as well as a host of plant and animal life. Deposited sediment from rivers can form temporary or long-lasting fluvial islands . These islands exist in almost every river. About half of all waterways on Earth are intermittent rivers , which do not always have
9100-462: The cultural identity of cities and nations. Famous examples include the River Thames 's relationship to London , the Seine to Paris , and the Hudson River to New York City . The restoration of water quality and recreation to urban rivers has been a goal of modern administrations. For example, swimming was banned in the Seine for over 100 years due to concerns about pollution and the spread of E. coli , until cleanup efforts to allow its use in
9240-424: The discharge of a river, the amount of water passing through it at a particular time. The flow of a river can act as a means of transportation for plant and animal species, as well as a barrier. For example, the Amazon River is so wide in parts that the variety of species on either side of its basin are distinct. Some fish may swim upstream to spawn as part of a seasonal migration . Species that travel from
9380-465: The extinction of some species, and lowered the amount of alluvium flowing through rivers. Decreased snowfall from climate change has resulted in less water available for rivers during the summer. Regulation of pollution, dam removal , and sewage treatment have helped to improve water quality and restore river habitats. A river is a natural flow of freshwater that flows on or through land towards another body of water downhill. This flow can be into
9520-436: The sea . The sediment yield of a river is the quantity of sand per unit area within a watershed that is removed over a period of time. The monitoring of the sediment yield of a river is important for ecologists to understand the health of its ecosystems, the rate of erosion of the river's environment, and the effects of human activity. Rivers rarely run in a straight direction, instead preferring to bend or meander . This
9660-521: The water table , the groundwater beneath the surface of the land stored in the soil . Water flows into rivers in places where the river's elevation is lower than that of the water table. This phenomenon is why rivers can still flow even during times of drought . Rivers are also fed by the melting of snow glaciers present in higher elevation regions. In summer months, higher temperatures melt snow and ice, causing additional water to flow into rivers. Glacier melt can supplement snow melt in times like
9800-449: The Environment Agency as a whole and is responsible for the appointment of the chairman and the Environment Agency board. In addition the Secretary of State is responsible for overall policy on the environment and sustainable development within which the agency undertakes its work; the setting of objectives for the agency's functions and its contribution to sustainable development; the approval of its budget and payment of government grant to
9940-428: The Environment Agency consists of 14 areas, all of which report to the Director of Operations. As of April 2014, the Environment Agency removed its regional level of administration (formerly Anglian Region, Midlands Region, North West Region, South East Region, South West Region and Yorkshire & North East Region) to be replaced by an "area once, national once" model. The 14 area names were also changed to better reflect
10080-410: The Environment Agency has the power to revoke the environmental permits issued to sites that contravene the conditions of their permits stopping all waste handling activities. The agency has a duty to maintain and improve the quality of surface waters and ground-waters and, as part of the duty, it monitors the quality of rivers, lakes, the sea and groundwater on a regular basis. Much of this information
10220-642: The European, national and local level. Local authorities regulate air pollution from smaller industrial processes. The agency works with local authorities, National Highways and others to implement the UK government's air quality strategy in England as mandated in the Environment Act 1995 . The Environment Agency has an Air Quality Modelling and Assessment Unit (AQMAU) that aims to ensure that air quality assessments for permit applications, enforcement and air pollution incident investigations are consistent, of
10360-459: The Evidence directorate. The fourth directorate is a single Operations "delivery" unit, responsible for national services, and line management of all the regional and area staff. The remaining directorates are central shared service groups for Finance, Legal Services, Resources and Communications. In support of its aims, the agency acts as an operating authority , a regulatory authority and
10500-594: The Fens and Anglian Systems for navigation. The first stage is the South Forty-Foot Drain . Functions in relation to most canals are undertaken by the Canal and River Trust . The Environment Agency is the harbour authority for Rye and the conservancy authority for the Dee Estuary . The Environment Agency has also published information about tidal bores , these being the Trent Aegir and
10640-501: The Haven by boats ceased in the 1920s. Download coordinates as: [REDACTED] Media related to Steeping River at Wikimedia Commons [REDACTED] Media related to River Lymn at Wikimedia Commons River A river is a natural freshwater stream that flows on land or inside caves towards another body of water at a lower elevation , such as an ocean , lake , or another river. A river may run dry before reaching
10780-691: The Steeping River. Thorpe Culvert takes its name from a culvert which was built under the river to drain water into the Bell Water Drain. The area to the north of the culvert became part of the Witham Fourth District in 1818, and the culvert was built soon afterwards. Responsibility for the drain passed to the Witham and Steeping Catchment Board following the passing of the Land Drainage Act in 1930, and they commissioned
10920-462: The Wainfleet Relief Channel turns off, passing under the railway almost immediately. There are two more bridges as the main channel crosses Wainfleet Common, Bycroft's Bridge and Crow's Bridge. Crow's Bridge has an elliptical arch constructed of red bricks, and was designed by the engineer John Rennie in 1812. Salem Bridge carries the B1195 road to Wainfleet railway station , and the A52 road crosses to
11060-454: The agency for its activities in England and approval of its regulatory and charging regimes. Its chief executive is Sir James Bevan. Sir Philip Dilley resigned as chairman on 11 January 2016, with Emma Howard Boyd becoming acting chair. Emma Howard Boyd took up the post of chair formally on 19 September 2016. The Environment Agency was created by the Environment Act 1995 , and came into existence on 1 April 1996. It had responsibility for
11200-417: The agency's sponsoring government departments. Approximately half the agency's expenditure is on flood risk management, and a third is spent on environment protection (pollution control). Of the remainder, 12% goes to water resources , and 6% to other water functions including navigation and wildlife. The Secretary of State for Environment, Food and Rural Affairs has the lead sponsorship responsibility for
11340-417: The aquatic environment including sewage effluents and trade and agricultural discharges. The agency manages the use and conservation of water through the issue of water abstraction licences for activities such as drinking water supply, artificial irrigation and hydro-electricity generation. The agency is in charge of inland rivers, estuaries and harbours in England. Its remit also extends into Scotland in
11480-416: The assessment. The manipulation of the river channel has a long history, dating back to at least the thirteenth century, when the river was diverted to the south at Firsby Clough and then to the east at White Cross Clough, creating two channels. Because the old channel ran through the manor of Croft, and was used to supply drinking water for cattle, an agreement for its management was reached in 1240. The flow
11620-695: The bodies of humans and animals worldwide, as well as in the soil, with potentially negative health effects. Research into how to remove it from the environment, and how harmful exposure is, is ongoing. Fertilizer from farms can lead to a proliferation of algae on the surface of rivers and oceans, which prevents oxygen and light from dissolving into water, making it impossible for underwater life to survive in these so-called dead zones . Urban rivers are typically surrounded by impermeable surfaces like stone, asphalt , and concrete. Cities often have storm drains that direct this water to rivers. This can cause flooding risk as large amounts of water are directed into
11760-468: The case of large, complex or potentially damaging industries by means of a permit. Failure to comply with such a consent or permit or making a discharge without the benefit of a consent can lead to criminal prosecution. A magistrates' court can impose fines of up to £50,000 or 12 months imprisonment for each offence of causing or knowingly permitting pollution. If prosecuted in the Crown Court , there
11900-405: The complete draining of rivers. Limits on the construction of dams, as well as dam removal , can restore the natural habitats of river species. Regulators can also ensure regular releases of water from dams to keep animal habitats supplied with water. Limits on pollutants like pesticides can help improve water quality. Today, the surface of Mars does not have liquid water. All water on Mars
12040-638: The country with drinking water. The Environment Agency fisheries service has a statutory duty to maintain, improve and develop migratory and freshwater fisheries as set out in the Environment Act 1995. The interpretation of this is set out in Ministerial guidance as: The Environment Agency has the power under the Salmon and Freshwater Fisheries Act 1975 to license fishing for salmon trout, freshwater fish, eels, lamprey and smelt and to set duties for
12180-408: The east of Wainfleet All Saints. The channel is now also called Wainfleet Haven , and both names are used to describe it until it reaches the sea. The Wainfleet Relief Channel is also crossed by the B1195 road, and shortly afterwards, the Lymn joins it. Cowcroft Drain, which joins the Lymn from the north, and the Lymn below the junction are both designated as main rivers, and are the responsibility of
12320-468: The east, they are covered by boulder clay , gravel and alluvium . Flow on the upper river is measured by a gauging station at Partney Mill, consisting of a Crump weir with a 16-foot (5 m) crest. The catchment area of the river above this point is 23.8 square miles (61.6 km), and this area received annual rainfall of 27.4 inches (696 mm) in the 1960s. This produces an average daily flow of 9.5 million gallons (43.2 Megalitres (Ml)), although
12460-489: The eastern slope of Castcliffe Hill in Fulletby, close to the 280-foot (85 m) contour. It flows through a large lake and is joined by a stream from Holbeck Manor before passing through Salmonby . By the time the two streams join, they are below the 130-foot (40 m) contour. It continues to the south-east and has dropped by another 33 feet (10 m) by the time it reaches the millpond of Stockwith Mill, beyond which
12600-436: The effect of normalizing the effects of rivers; the greatest floods are smaller and more predictable, and larger sections are open for navigation by boats and other watercraft. A major effect of river engineering has been a reduced sediment output of large rivers. For example, the Mississippi River produced 400 million tons of sediment per year. Due to the construction of reservoirs , sediment buildup in man-made levees , and
12740-472: The electric station from operating, and during the floods of 2007 , both engines ran to assist the electric pumps. The team of volunteers was led by Dennis Quincey, and following his death in 2002, the Drainage Board renamed it Quinceys Pumping Station. In the medieval period, Wainfleet was an important port, and had a thriving salt industry, extracting salt from sea water. The town was much closer to
12880-583: The end of its course if it runs out of water, or only flow during certain seasons. Rivers are regulated by the water cycle , the processes by which water moves around the Earth. Water first enters rivers through precipitation , whether from rainfall, the runoff of water down a slope, the melting of glaciers or snow , or seepage from aquifers beneath the surface of the Earth. Rivers flow in channeled watercourses and merge in confluences to form drainage basins , areas where surface water eventually flows to
13020-431: The environment are commented on in any detail. For many years the agency has been offering strong advice against the development of land in floodplains because of the risk of flooding. Whilst in some instances, this advice may not have been appreciated in its entirety, in a large number of cases this advice has been used to reach decisions on planning applications. The Environment Agency is also an advisory board member of
13160-560: The environment, taken as a whole" so as to promote "the objective of achieving sustainable development " (taken from the Environment Act 1995 , section 4). Protection of the environment relates to threats such as flood and pollution. The vision of the agency is of "a rich, healthy and diverse environment for present and future generations". The Environment Agency's remit covers almost the whole of England, about 13 million hectares of land, 22,000 miles (35,000 km) of river and 3,100 miles (5,000 km) of coastline seawards to
13300-524: The environment. Action, in several policy areas, is directed towards business and commerce at all levels, children in education, the general public and government and local government. This last area is quite distinct from the agency's statutory role to advise government. In local government planning processes, the Environment Agency is a statutory consultee on all planning matters from county strategic plans down to individual planning applications. In reality only those applications judged to pose special risks to
13440-429: The fire spread quickly in the inside of the wall leading to substantial smoke damage throughout. The building was quickly evacuated and the fire under control in under an hour. The resulting internal document proposed additional standards for the handling of materials that offer environmental advantages but may be considered more susceptible to ignition. On 1 April 2013, that part of the Environment Agency covering Wales
13580-451: The fish zonation concept. Smaller rivers can only sustain smaller fish that can comfortably fit in its waters, whereas larger rivers can contain both small fish and large fish. This means that larger rivers can host a larger variety of species. This is analogous to the species-area relationship , the concept of larger habitats being host to more species. In this case, it is known as the species-discharge relationship, referring specifically to
13720-673: The floating of wood on rivers to transport it, was especially important. Rivers also were an important source of drinking water . For civilizations built around rivers, fish were an important part of the diet of humans. Some rivers supported fishing activities, but were ill-suited to farming, such as those in the Pacific Northwest . Other animals that live in or near rivers like frogs , mussels , and beavers could provide food and valuable goods such as fur . Humans have been building infrastructure to use rivers for thousands of years. The Sadd el-Kafara dam near Cairo , Egypt,
13860-458: The flood warning codes and symbols mean and how to respond in the event of a flood. The agency operates Floodline , a 24-hour telephone helpline on flooding. Floodline covers England, Wales and Scotland but not Northern Ireland, and provides information and advice including property flood-risk checks, flood warnings, and flood preparation advice. In partnership with the Met Office it runs
14000-412: The flow of the river beneath its surface. These help rivers flow straighter by increasing the speed of the water at the middle of the channel, helping to control floods. Levees are also used for this purpose. They can be thought of as dams constructed on the sides of rivers, meant to hold back water from flooding the surrounding area during periods of high rainfall. They are often constructed by building up
14140-399: The flow, causing it to reflect in the other direction. Thus, a bend in the river is created. Rivers may run through low, flat regions on their way to the sea. These places may have floodplains that are periodically flooded when there is a high level of water running through the river. These events may be referred to as "wet seasons' and "dry seasons" when the flooding is predictable due to
14280-650: The form of leaves. In this type of ecosystem, collectors and shredders will be most active. As the river becomes deeper and wider, it may move slower and receive more sunlight . This supports invertebrates and a variety of fish , as well as scrapers feeding on algae. Further downstream, the river may get most of its energy from organic matter that was already processed upstream by collectors and shredders. Predators may be more active here, including fish that feed on plants, plankton , and other fish. The flood pulse concept focuses on habitats that flood seasonally, including lakes and marshes . The land that interfaces with
14420-508: The goddess Isis were said to be the cause of the river's yearly flooding, itself personified by the goddess Hapi . Many African religions regard certain rivers as the originator of life. In Yoruba religion , Yemọja rules over the Ogun River in modern-day Nigeria and is responsible for creating all children and fish. Some sacred rivers have religious prohibitions attached to them, such as not being allowed to drink from them or ride in
14560-428: The irrigation of desert environments for growing food. Growing food at scale allowed people to specialize in other roles, form hierarchies, and organize themselves in new ways, leading to the birth of civilization. In pre-industrial society , rivers were a source of transportation and abundant resources. Many civilizations depended on what resources were local to them to survive. Shipping of commodities, especially
14700-434: The late summer, when there may be less snow left to melt, helping to ensure that the rivers downstream of the glaciers have a continuous supply of water. Rivers flow downhill, with their direction determined by gravity . A common misconception holds that all or most rivers flow from North to South, but this is not true. As rivers flow downstream, they eventually merge to form larger rivers. A river that feeds into another
14840-474: The level of river branching in a drainage basin. Several systems of stream order exist, one of which is the Strahler number . In this system, the first tributaries of a river are 1st order rivers. When two 1st order rivers merge, the resulting river is 2nd order. If a river of a higher order and a lower order merge, the order is incremented from whichever of the previous rivers had the higher order. Stream order
14980-561: The local ecosystems of rivers needed less protection as humans became less reliant on them for their continued flourishing. River engineering began to develop projects that enabled industrial hydropower , canals for the more efficient movement of goods, as well as projects for flood prevention . River transportation has historically been significantly cheaper and faster than transportation by land. Rivers helped fuel urbanization as goods such as grain and fuel could be floated downriver to supply cities with resources. River transportation
15120-407: The mechanical shadoof began to be used to raise the elevation of water. Drought years harmed crop yields, and leaders of society were incentivized to ensure regular water and food availability to remain in power. Engineering projects like the shadoof and canals could help prevent these crises. Despite this, there is evidence that floodplain-based civilizations may have been abandoned occasionally at
15260-400: The migration routes of fish and destroy habitats. Rivers that flow freely from headwaters to the sea have better water quality, and also retain their ability to transport nutrient-rich alluvium and other organic material downstream, keeping the ecosystem healthy. The creation of a lake changes the habitat of that portion of water, and blocks the transportation of sediment, as well as preventing
15400-399: The natural meandering of the river. Dams block the migration of fish such as salmon for which fish ladder and other bypass systems have been attempted, but these are not always effective. Pollution from factories and urban areas can also damage water quality. " Per- and polyfluoroalkyl substances (PFAS) is a widely used chemical that breaks down at a slow rate. It has been found in
15540-429: The natural terrain with soil or clay. Some levees are supplemented with floodways, channels used to redirect floodwater away from farms and populated areas. Dams restrict the flow of water through a river. They can be built for navigational purposes, providing a higher level of water upstream for boats to travel in. They may also be used for hydroelectricity , or power generation from rivers. Dams typically transform
15680-490: The old course of the Lymn leaves the straight channel of the Steeping River. It is no longer connected to the Steeping River, but is maintained as a drainage ditch by the Internal Drainage Board (IDB). Warth's Bridge and Thorpe Culvert Bridge follow, both roads leading to Thorpe Culvert railway station . Thorpe Culvert pumping station, owned by the IDB, is located just before the second bridge, and after it,
15820-425: The plain show evidence of a river network, and even river deltas. These images reveal channels formed in the rock, recognized by geologists who study rivers on Earth as being formed by rivers, as well as "bench and slope" landforms, outcroppings of rock that show evidence of river erosion. Not only do these formations suggest that rivers once existed, but that they flowed for extensive time periods, and were part of
15960-634: The predecessor bodies were disbanded and the local authorities relinquished their waste regulatory role. At the same time, the agency took responsibility for issuing flood warnings to the public, a role previously held by the police. In 2010 a new national headquarters for the agency was opened at Horizon House in Deanery Road, Bristol . The building, which was designed by Alec French Architects, received Building Research Establishment Environmental Assessment ( BREEAM ) certification for its environmentally friendly construction and operation which includes
16100-502: The provision of fishing licences. Fishing licence income along with a small amount of Grant in Aid (GiA) provides the funding to deliver the statutory duty to maintain, improve and develop freshwater and migratory fisheries, including the current fisheries service provided to recreational anglers. The EA's funding principles mean that income from the sale of fishing licences is entirely ringfenced re-invested back into fisheries work. Many of
16240-487: The quantity and varieties of invertebrates , angiosperms and fish. Chemical status, which compares the concentrations of various chemicals against known safe concentrations, is rated good or fail. The water quality of the Lymn and Steeping was as follows in 2019. Like most rivers in the UK, the chemical status changed from good to fail in 2019, due to the presence of polybrominated diphenyl ethers (PBDE) and mercury compounds, neither of which had previously been included in
16380-448: The removal of natural banks replaced with revetments , this sediment output has been reduced by 60%. The most basic river projects involve the clearing of obstructions like fallen trees. This can scale up to dredging , the excavation of sediment buildup in a channel, to provide a deeper area for navigation. These activities require regular maintenance as the location of the river banks changes over time, floods bring foreign objects into
16520-437: The requirements of a sustainable flood strategy. It is often not economically feasible or even desirable to prevent all forms of flooding in all locations, and so the Environment Agency uses its powers to reduce either the likelihood or consequences of flooding. The Environment Agency is responsible for operating, maintaining and replacing an estimated £20 billion worth of flood risk management (FRM) installations. According to
16660-536: The reverse, death and destruction, especially through floods . This power has caused rivers to have a central role in religion , ritual , and mythology . In Greek mythology , the underworld is bordered by several rivers. Ancient Greeks believed that the souls of those who perished had to be borne across the River Styx on a boat by Charon in exchange for money. Souls that were judged to be good were admitted to Elysium and permitted to drink water from
16800-468: The river, and natural sediment buildup continues. Artificial channels are often constructed to "cut off" winding sections of a river with a shorter path, or to direct the flow of a river in a straighter direction. This effect, known as channelization, has made the distance required to traverse the Missouri River in 116 kilometres (72 mi) shorter. Dikes are channels built perpendicular to
16940-552: The river. Areas of a river with softer rock weather faster than areas with harder rock, causing a difference in elevation between two points of a river. This can cause the formation of a waterfall as the river's flow falls down a vertical drop. A river in a permeable area does not exhibit this behavior and may even have raised banks due to sediment. Rivers also change their landscape through their transportation of sediment , often known as alluvium when applied specifically to rivers. This debris comes from erosion performed by
17080-625: The river. A country that is downstream of another may object to the upstream country diverting too much water for agricultural uses, pollution, as well as the creation of dams that change the river's flow characteristics. For example, Egypt has an agreement with Sudan requiring a specific minimum volume of water to pass into the Nile yearly over the Aswan Dam , to maintain both countries access to water. The importance of rivers throughout human history has given them an association with life and fertility . They have also become associated with
17220-560: The rivers and wetlands, including anglers and boaters. The agency states that they take a "leading role in limiting and preparing for the impacts of climate change." The agency is a regulator for the release of air pollutants into the atmosphere from large, complex industrial processes. This will soon include emissions from some large-scale agricultural activities, but air pollutant releases from many agricultural activities will continue to be unregulated. Major sources of air pollution, such as transport, are subject to various measures at
17360-457: The rivers themselves, debris swept into rivers by rainfall, as well as erosion caused by the slow movement of glaciers. The sand in deserts and the sediment that forms bar islands is from rivers. The particle size of the debris is gradually sorted by the river, with heavier particles like rocks sinking to the bottom, and finer particles like sand or silt carried further downriver . This sediment may be deposited in river valleys or carried to
17500-412: The rivers. Due to these impermeable surfaces, these rivers often have very little alluvium carried in them, causing more erosion once the river exits the impermeable area. It has historically been common for sewage to be directed directly to rivers via sewer systems without being treated, along with pollution from industry. This has resulted in a loss of animal and plant life in urban rivers, as well as
17640-401: The sea at that time, but the gradual silting of the channel and the enclosure of land on both sides of it saw the demise of the port, with its function taken over by Boston . The channel, known as Wainfleet Haven, was still used by shipping, although larger ships unloaded cargo into river barges close to Gibraltar Point, from where the barges travelled up the river to Wainfleet. Commercial use of
17780-409: The sea from their mouths. Depending on the activity of waves, the strength of the river, and the strength of the tidal current, the sediment can accumulate to form new land. When viewed from above, a delta can appear to take the form of several triangular shapes as the river mouth appears to fan out from the original coastline . In hydrology , a stream order is a positive integer used to describe
17920-414: The sea to breed in freshwater rivers are anadromous. Salmon are an anadromous fish that may die in the river after spawning, contributing nutrients back to the river ecosystem. Modern river engineering involves a large-scale collection of independent river engineering structures that have the goal of flood control , improved navigation, recreation, and ecosystem management. Many of these projects have
18060-624: The societal and environmental outcomes the fisheries service currently deliver, and aspire to deliver on a greater scale, is through partnership working. Working with partners such as the Angling Trust, the Wild Trout Trust and the Riverfly partnership allows the EA to maximise fishing licence income through match funding to deliver against key benefits for fishing and fisheries across the country. Income from fishing licence sales
18200-519: The spread of waterborne diseases such as cholera . In modern times, sewage treatment and controls on pollution from factories have improved the water quality of urban rivers. Climate change can change the flooding cycles and water supply available to rivers. Floods can be larger and more destructive than expected, causing damage to the surrounding areas. Floods can also wash unhealthy chemicals and sediment into rivers. Droughts can be deeper and longer, causing rivers to run dangerously low. This
18340-671: The three-mile limit which includes 2 million hectares of coastal waters. In a sharing arrangement with the Scottish Environment Protection Agency (SEPA), it also exercises some of its functions over parts of the catchments of the River Tweed and the Border Esk which are, for the most part, in Scotland . Similarly, in an arrangement with NRW , political and operational areas are not coterminus. NRW staff exercise responsibility for parts of
18480-416: The use of sustainable materials, natural ventilation and cooling, photoelectric panels and rainwater harvesting . On 24 April 2013, Horizon House suffered a fire leading to its closure for several weeks. An investigation into the fire found it was that result of workmen accidentally igniting the environmentally friendly cavity wall insulation on the ground floor and due to the design of the upward airflow
18620-568: The whole of England and Wales but with specifically designated border arrangements with Scotland covering the catchment of the River Tweed . It took over the roles and responsibilities of the National Rivers Authority (NRA), Her Majesty's Inspectorate of Pollution (HMIP) and the waste regulation authorities in England and Wales including the London Waste Regulation Authority (LWRA). All of
18760-415: Was built in the late eighteenth century, but shows evidence that it was built around an earlier structure. The much-repaired water wheel, dating from the seventeenth century, and the corn milling machinery are still intact. Beyond Tetford the river is joined by Double Dike, and flows south through woodland, passing to the west of Somersby and Bag Enderby . Here it is joined by a second stream, which rises on
18900-445: Was commissioned in 1983. The diesel station was retained, but its condition deteriorated, so that by the early 1990s, only one of the engines was operational. At the request of Lindsey Marsh IDB, a small team of volunteers began to restore the station and the engines in 1994, and the site is opened for visitors three times a year. The restoration has enabled the station to be used twice in 2000 and once in 2004, when power failure prevented
19040-466: Was diverted along the old channel for the first three weeks after Easter, and then along the new channel for three weeks. This six-week cycle was repeated until Michaelmas (29 September). The arrangement was ratified by the Court of Sewers in 1432 and 1501, and continued in operation until at least 1774. The original channel is the Lymn, while the southern channel has been straightened and enlarged to become
19180-547: Was merged into Natural Resources Wales , a separate body managing the Welsh environment and natural resources. The Environment Agency is the principal flood risk management operating authority . It has the power (but not the legal obligation) to manage flood risk from designated main rivers and the sea. These functions in relation to other rivers (defined as ordinary watercourses ) in England are undertaken by local authorities or internal drainage boards . The Environment Agency
19320-529: Was part of RAF Wainfleet , and was used for weaponry practice by aircraft, until the closure of the range in December 2009. There is a layer of sandstone rock beneath the whole of the catchment of the River Lymn, which is largely covered by a layer of chalk. The sandstone outcrops in only a few places, and where it does, springs provide the base flow for the river. As the layers of rock continue to dip to
19460-406: Was provided in the form of 'flood defence grant-in-aid' from government (£578 million for England and £50 million for Wales). In addition, £347 million (34 per cent) was raised through statutory charging schemes and flood defence levies; and a further £50 million (5 per cent) came from other miscellaneous sources. In 2007–08 had an operational budget of £1.025 billion, of which £628m was grant from
19600-474: Was then effectively repaid by central government in later years as part of the Formula Spending Share. In 2005 this was simplified by making a direct transfer from Treasury to the Environment Agency in the form of flood defence grant-in-aid . The Environment Agency's total funding in 2007–08 was £1,025 million, an increase of £23 million on 2006–07. Of that total, £629 million (61 per cent)
#286713