Nemacolin

Nemacolin is an earth dam located in Washington County, Pennsylvania, built in 1964. It carries a Low hazard potential classification and has a fair condition assessment.

About Nemacolin

The primary purpose of Nemacolin is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Nemacolin Country Club (private). It impounds the Tr Pike Run.

The dam stands 46 feet tall and stretches 340 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/17/2016.

At 46 feet, this dam is taller than 91% of dams nationwide.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StatePennsylvania
CountyWashington
River/StreamTr Pike Run
Coordinates40.06083, -80.00639

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Height46 ft
Dam Length340 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage82 acre-ft
Max Storage82 acre-ft
Normal Storage42 acre-ft
Surface Area4 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeIrrigation
OwnerNEMACOLIN COUNTRY CLUB
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection06/17/2016
Emergency Action PlanNot Required

Identifiers

NID IDPA01317
Federal IDPA01317
More InfoState Dam Safety Program

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