Stormwater is defined as the surface water produced as a result of heavy rain or a snowstorm. Stormwater that cannot soak into the ground because of impervious surfaces such as sidewalks, driveways, parking lots, roads, and rooftops is called “runoff”.
As stormwater flows over land, it picks up pollutants and debris such as spilled fuel, oils, greases, antifreeze, grass clippings, litter, animal waste, fertilizer, and pesticides. Runoff carries these pollutants into our local creeks, streams and other waterways that are a source of our drinking water. Polluted stormwater harms plants, fish, animals and people.
Municipal Separate Stormwater Sewer Systems (MS4) are curbs, gutters, ditches, pipes, tunnels, catch basins, and storm drains owned and maintained by a municipality. The state requires the Township to set policies and procedures that protect water quality and reduce flooding in these facilities.
Penn Township has a Stormwater Management Plan and Ordinance to address these requirements. A Pollutant Reduction Plan for the Township has been prepared to address impaired waters of the Commonwealth and Chesapeake Bay.
Click here for more information on Stormwater Management and the Homeowners Guide to Stormwater BMP Maintenance.
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