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Stormwater management is the effort to reduce runoff of rainwater or melted snow into streets, lawns and other sites and the improvement of water quality, according to the United States Environmental Protection Agency (EPA).
Stormwater refers to a heavy quantity of water, such as rain or snow, that falls to the surface of the Earth. When it reaches the surface, stormwater becomes polluted as it picks up, carries, and transports various pollutants (oil, grease, chemicals, sediment, nutrients, pathogens) along streets, drains, open channels, and storm sewer systems.
EPA's stormwater management research, which provides information and tools to prepare communities for natural and man-made contamination events, including from chemical, biological, and radiological incidents.
Stormwater managers use stormwater infrastructure to protect people and property, reduce flooding and pollution, and enhance local economies. It can be hard for communities to finance, prioritize, and properly plan long-term solutions to stormwater management.
Stormwater management refers to managing of quality and quantity of water. Several structural or engineered control devices and techniques (operational and procedural practices) are used to manage (treat polluted stormwater) stormwater and they are grouped under term Best Management Practice (BMP). Stormwater BMPs are of many forms including: •.
Stormwater management (SWM) focuses on reducing runoff volumes and improving water quality. Stormwater is all rainwater or melted snow and hail that runs off pavements, streets, lawns, and other land surfaces and did not infiltrate into the soils or other permeable surfaces.
What is Stormwater Management? Stormwater management refers to the systematic approach of handling rainwater or melted snow runoff. It involves collecting, conveying, treating, and discharging stormwater to prevent flooding, erosion, and pollution.