Blue Marsh Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyBerks
Nearest CityREADING
River/StreamTULPEHOCKEN CREEK
Coordinates40.37903, -76.03143

Physical Characteristics

Dam TypeRockfill
NID Height100 ft
Dam Length1,775 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage129,900 acre-ft
Max Storage129,900 acre-ft
Normal Storage22,897 acre-ft
Surface Area1,147 acres
Drainage Area175 sq mi
Max Discharge70,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUSACE - Philadelphia District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection06/10/2024
Emergency Action PlanYes

Identifiers

NID IDPA00921
Federal IDPA00921
More InfoState Dam Safety Program

Nearby Dams

Blue Marsh Dam - Dikes A And B 0.5 mi High Stanford Avenue Detention Basin 4.7 mi High Lauer Run Detention Basin 5.1 mi Significant Blue Marsh Dam - Bernville Levee 5.7 mi High Ashley Furniture 6.2 mi Undetermined Bernhart 6.5 mi High Shillington Memorial Park 6.9 mi Significant Lake Ontelaunee 7.1 mi High Egelman Reservoir 7.7 mi High Palmer 7.8 mi Low