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When rain falls in the City of Mesa, runoff water is collected by many different types of inlets. The water is then routed via curbs/gutters, pipes, open channels and other conveyances to community retention basins, parks, local lakes and rivers and area floodways. The runoff does not go to a treatment plant.

In order to protect the quality of stormwater runoff, the City of Mesa obtained a permit from the Environmental Protection Agency in 1997. That permit requires Mesa to implement a number of different programs called Best Management Practices (BMPs). Some of these BMPs include:

In addition to these BMPs, the City of Mesa created a stormwater ordinance, which prohibits the discharge of pollutants into the storm drain system. The following is a link to this ordinance, Title 8, Chapter 5: http://www.cityofmesa.org/clerk/CodeBook/title_8/Chapter_5/Ch_5_TOC.asp

If you would like to report a stormwater related problem in Mesa, please click here.

To learn more about the City of Mesa's stormwater program please visit us at:http://www.cityofmesa.org/environ/Stormwater.asp