Is Mill Creek (trib To Cool Spring Creek) stocked?

Yes — Mill Creek (trib To Cool Spring Creek) is on the state's stocked trout water list. Stocked water is managed as put-and-take: fish are raised in a hatchery and released, rather than reproducing in the stream. Source: PA Fish & Boat Commission (PASDA).

Mill Creek (trib To Cool Spring Creek)

Mercer County, Pennsylvania. A state-stocked trout water.

State Trout Classification

Classification	Stocked Trout Water
County	Mercer

Source: PA Fish & Boat Commission (PASDA).

Fly fishing rivers →Pennsylvania trout water →Pennsylvania lakes →

Conditions: USGS NWIS (public domain). Classification: PA Fish & Boat Commission (PASDA).