Spills and other emergencies

Department of Environmental Protection, 24 hours/day
484-250-5900
or 1-800-541-2050 (toll free)

Construction site issues, including erosion, off-site discharges of mud/sediment, improper or no silt fencing

In Delaware County:

Delaware County Conservation District, Weekdays 8:00 a.m. – 4:30 p.m.
610-892-9484

In Chester County:

Chester County Conservation District, Weekdays 8:00 a.m. – 4:00 p.m.
610-925-4920, Select “0” to talk to the operator

Environmental complaints (including water quality complaints)

Department of Environmental Protection, Weekdays 8:00 a.m. - 4:00 p.m.
484-250-5991
Off hours, a message can be left at this number

Fish kills (1st call)
Department of Environmental Protection, 24 hours/day
484-250-5900

Fish kills (2nd call)
Pennsylvania Fish and Boat Commission,
Weekdays 8:00 a.m. – 4:00 p.m.
717-626-0228

Broken water mains and other water supply issues

Contact your water utility company:
Aqua Pennsylvania
24 hours/day 610-525-1402 or 877-977-2782

Chester Water Authority
24 hours/day 610-876-8181

For other water-related concerns, including:

• Leaking or overflowing sanitary sewer lines or manholes
• Sewage or other obvious pollutants in creek/pond
• Illegal or pollution discharges into creeks or storm drains/channel
• Dry weather flow from storm sewer outfall that appears polluted
• Or similar concerns about potential pollution events

Please contact your municipality (township, borough, or city). Most municipalities have this information posted on their websites. 

If you are unable to connect with a local representative to discuss your concern and the issue appears pressing, you can always reach the DEP emergency line at 484-250-5900 or 1-800-541-2050 (toll free).