Helpful Links
- Downingtown Borough Ordinance 2013-09, Stormwater Management
- Downingtown Borough Progress Report
- PA Department of Environmental Protection (DEP): Stormwater Management
- NPDES Stormwater Program (DEP)
- When it Rains it Drains
- Stormwater Factsheet - "Stormwater Management for Small Projects: What a Homeowner Needs to Know
- Contact the DEP/Report Spills or other Illegal Discharge
- MS4 Fact Sheets
- Homeowners Guide to Stormwater BMP Maintenance - What You Need to Know to Take Care of Your Property