EPA MS4 Program Information

The National Pollutant Discharge Elimination System (NPDES) Phase II stormwater program requires that Municipal Separate Storm Sewer System (MS4s) address the six required elements contained in the federal regulations to reduce water pollution:

Public Education and Outreach 

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Municipal Operations and Maintenance 

Public Participation and Involvement 

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Illicit Discharge Detection and Elimination 

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Construction Site Runoff Control 

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Post-Construction Stormwater Management and Redevelopment 

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Pollution Prevention/Good Housekeeping for Municipal Operations and Maintenance

Don't Blow Your Grass Into The Streets.p

Additional Educational Material

For Protecting Streams

 

20 Ways to Protect Your Stream & Streamside Property
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When it Rains
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Keep Car Washing from Harming Our Streams
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Fertilizer Informational Flyer
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PA DEP Stormwater Management

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Helpful Links

  EPAs NPDES Permit Program Basics
www.epa.gov/npdes


EPAs NPDES Stormwater Program
www3.epa.gov/region1/npdes/stormwater/


EPAs Municipal Stormwater Resources

(NPDES Stormwater Discharge form MS4s)
www.epa.gov/npdes/stormwater-discharges-municipal-sources

Pa DEP’s Stormwater Management Home Page

http://www.dep.pa.gov/Business/Water/CleanWater/StormwaterMgmt/Pages/default.aspx

United States Environmental

Protection Agency Links

  

EPA Home:
www3.epa.gov/


EPA A-Z Index:
www.epa.gov/home/az-index

 

EPA NPDES Stormwater Programs:
www.epa.gov/npdes/npdes-stormwater-program

 

EPA Municipal Stormwater Resources:
www.epa.gov/npdes/stormwater-discharges-municipal-sources

 

EPA Stormwater BMP Menu:
www.epa.gov/npdes/national-menu-best-management-practices-bmps-stormwater#edu

Ridley Township
Citizen Water Quality Hotlines


Sanitary Sewer Backups & Overflows or Illegal Dumping
Ridley Township (Mon. to Fri. 8:30 am to 4:30 pm)
610-534-4800
After Hours Dial 9-1-1

Spills, Leaks, Creek Contamination
DEP Water Quality Hotline
484-250-5900

Fisk Kills, Illegal Fishing
PA Fish Commission
717-626-0228

Water Main Breaks
Aqua, PA
610-525-1402

Construction Site Erosion & Sediment Discharge
Delaware County Conservation District
610-892-9484

  Stormwater Management Ordinance

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