As warmer weather returns, so do black flies - a pest that can inundate folks seeking outdoor recreation.

Did you know stormwater runoff occurs even during moderate rains?

Restoration Success Story Featured in Updated DEP Story Map

If someone told you they caught five fish weighing in at over 82 pounds in one outing on Lake Erie, would you believe them?

This drone’s-eye-view of the Lancashire No. 15 Acid Mine Drainage (AMD) Treatment Plant reveals how AMD water can be transformed.

DEP biologists recently spent a week surveying the mussel population in Crawford County.

Partnerships and funding are key to improving water quality in Franklin County.

“Hellbender” may conjure an image of a villain in a blockbuster action movie, but in fact it’s the latest member of Pennsylvania royalty.

Residents across Pennsylvania’s part of the Chesapeake Bay watershed are working hard to make streams and rivers healthier.

Lancaster Clean Water Partners are focused on making Lancaster County’s streams clean and clear within our generation.