There are many things that can affect the air that we breathe. Good air quality is key to human health and the environment.

​Article I, Section 27 of our Commonwealth’s Constitution states that every Pennsylvanian has a right to clean air and pure water.

Installing, modifying, or removing storage tanks in an incorrect manner isn’t just against Storage Tank regulations; it’s dangerous!

DEP’s Well Plugging Program was established to plug oil and gas wells where there is no identifiable responsible party.

DEP receives complaints and emergencies 24 hours a day, 7 days a week, 365 days a year and responds as appropriate to investigate.

Learn how municipal sewage management programs benefit Pennsylvanians.

Part of DEP’s work looks closely at historical spills, leaks, and contamination left behind by companies that are often long gone.

For many years, hydroelectric dams have prevented American Eels from migrating up the Susquehanna River.

​The sea lamprey has plagued the Great Lakes since the early 1800s. Electrical barriers could help stop them.

Acid mine drainage (AMD) is the number one water pollution problem in Pennsylvania.