STORMWATER MANAGEMENT
EPA MS4 Program Information
The National Pollutant Discharge Elimination System (NPDES) Phase II stormwater program requires that Municipal Separate Storm Sewer Systems (MS4s) address the six required elements contained in the federal regulations to reduce water pollution:
General Information
Information for Homeowners and Residents
Information for Businesses
Information for Builders and Developers
Additional Educational Material For Protecting Streams
20 Ways to Protect Your Stream & Streamside Property
Read the 20 Ways to Protect Your Stream flyer (PDF)
When it Rains
Read the When it Rains flyer (PDF)
Keep Car Washing from Harming Our Streams
Read the car washing flyer (PDF)
Fertilizer Informational Flyer
Read the fertilizer flyer (PDF)
Pennsylvania Sea Grant
PA DEP Stormwater Management
Helpful Links
EPA's NPDES Permit Program Basics
EPA's Municipal Stormwater Resources
(NPDES Stormwater Discharge from MS4s)
The United States Environmental Protection Agency Links
EPA Home
Ridley Township Citizen Water Quality Hotlines
Sanitary Sewer Backups and Overflows or Illegal Dumping
Ridley Township
(Monday to Friday, 8:30 a.m. to 4:30 p.m.)
610-534-4800
After hours, call 9-1-1
Spills, Leaks, Creek Contamination
DEP Water Quality Hotline
484-250-5900
Fish Kills, Illegal Fishing
Pennsylvania Fish and Boat Commission
717-626-0228
Water Main Breaks
Aqua Pennsylvania
610-525-1402
Construction Site Erosion and Sediment Discharge
Delaware County Conservation District
610-892-9484