Stormwater Runoff

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Stormwater runoff is generated when precipitation from rain and snowmelt events flows over land or impervious surfaces and does not percolate into the ground. As the runoff flows over the land or impervious surfaces (i.e. paved streets, parking lots, building rooftops, etc.), it accumulates debris, chemicals, sediment, and other pollutants that could adversely affect water quality if the runoff is discharged untreated. Storm sewers can be connected to sanitary sewers and is treated as wastewater when that is the case, so that when discharged it is better for the environment.

We have 554 resources (and counting) on Stormwater in our Documents Database that provide valuable information on this topic. You can search for documents on wet weather management strategies, how to verify the source of inappropriate discharges to storm drainage systems, how to develop a CSO Long-Term Control Plan, and many other useful guides that will help you to deliver safe and clean water to utility customers. 

To access the wealth of knowledge on Stormwater within our database just select "CATEGORY" in the dropdown then choose "Stormwater." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

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