Stormwater Management
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:
1. Public Education and Outreach
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2. Public Participation and Involvement
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3. Illicit Discharge Detection and Elimination
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4. Construction Site Runoff Control
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5. Post-Construction Stormwater Management and Redevelopment
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6. Pollution Prevention/Good Housekeeping for
Municipal Operations and Maintenance
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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
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. 8:30am to 4:30pm)
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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