Jeannette (mountain Valley Lake)

Jeannette (mountain Valley Lake) is an earth dam located in Westmoreland County, Pennsylvania, built in 1889. It carries a Significant hazard potential classification and has a fair condition assessment.

About Jeannette (mountain Valley Lake)

The primary purpose of Jeannette (mountain Valley Lake) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ferrante's Lake View Inc (private). It impounds the Tr Brush Creek.

The dam stands 36 feet tall and stretches 480 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1889, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 04/12/2019.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyWestmoreland
River/StreamTr Brush Creek
Coordinates40.30861, -79.58639

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length480 ft
Year Completed1889 (137 years old)

Storage & Hydraulics

NID Storage300 acre-ft
Max Storage300 acre-ft
Normal Storage230 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerFERRANTE'S LAKE VIEW INC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/12/2019
Emergency Action PlanYes

Identifiers

NID IDPA00486
Federal IDPA00486
More InfoState Dam Safety Program

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