Stormwater Pollution Prevention / NPDES Permits

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NPDES National Pollutant Discharge Elimination System

 Regulations / Permits:

  • MS4 – Municipal Separate Storm Sewer Systems.
  • Construction Sites - Since June 1, 2003 construction sites disturbing 1 or more acres require an NPDES CGP - Construction General Permit. Don’t start work without one.
  • Industrial Facilities – Quick access to info.   

Stormwater Pollution Prevention

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Getting Involved: Find out what you can do to make a difference, improve your neighborhood, and maybe even save some money in the process.

Education Resources: The more you know about what affects stormwater quality the better you are equipped to make a positive difference.

More Resources By Subject


 Updated 4/10/2020