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General Information about Stormwater Regulations in our community

What is MS4 and Frequently Asked Questions

EPA Website - Stormwater Discharges from MS4s

MS4 Fact Sheet

EPA Water Homepage

EPA Water Pollution Prevention and Control

EPA Stormwater Homepage

EPA Stormwater Phase II Final Rule Fact Sheet Series

Stormwater Outreach Materials & Reference Documents


Chesapeake Bay

Chesapeake Bay Program

Chesapeake Bay Total Maximum Daily Load

Illicit Discharge

Illicit Discharge Detection and Elimination

Resources for Homeowners and Business

Green Infrastructure

Homeowner Guide to Make Your Property Bay Friendly

Low Impact Development (LID)

National Menu of Stormwater Best Management Practices


Polluted Run-off Information

Stormwater Pollution Solutions

Stream Cleanup and Monitoring

PA DEP Swimming Pool Guidelines

Lancaster County Stormwater Information

Lancaster County Watersheds

Additional Resources

NPDES Training Coursed and Workshops

Water Obstructions, Encroachments and Wetlands (Chapter 105)

PA Stormwater Best Management Practices Manual

Storm Drain Marking

Stroud Water Research Center

What you can do:

Car Washing and Stormwater Pollution Prevention

Leaking Oil From Cars to Street

Why You Should Never Top Off Your Gas Tank

Lawn & Garden - Reducing Runoff Tips

How to Safely Dispose of Pet Waste

Homeowner’s Guide to Septic Systems