Cosca Regional Park Dam

High HazardFair ConditionEmergency Action Plan: No

Location

StateMaryland
CountyPrince George's
Nearest CityPiscataway
River/StreamButler Branch
Coordinates38.73490, -76.91540

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length515 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage356 acre-ft
Max Storage356 acre-ft
Normal Storage76 acre-ft
Surface Area11 acres
Drainage Area2 sq mi
Max Discharge17,600 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMNCPPC-Cosca Park
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection11/07/2024
Emergency Action PlanNo

Identifiers

NID IDMD00064
Federal IDMD00064
More InfoState Dam Safety Program

Nearby Dams

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