Dams in Union County, Pennsylvania
4 dams on record, from Pennsylvania's own published inventory. 4 have a computed filing deadline.
Great Stream Commons Lower
low hazard
Next due: December 31, 2026
Great Stream Commons Upper
intermediate hazard
Next due: December 31, 2026
Spruce Run Reservoir
high hazard
Next due: December 31, 2026
Stony Run
intermediate hazard
Next due: December 31, 2026
Sourced from Pennsylvania's public dam inventory. Claiming a dam here is free — look it up to see its full record. See what Pennsylvania requires of dam owners.