Dorys

Dorys is a timber crib dam located in Pike County, Pennsylvania, built in 1919. It carries a Significant hazard potential classification and has a fair condition assessment.

About Dorys

The primary purpose of Dorys is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Blue Heron Development Company, Inc. (private). It impounds the Rock Hill Creek.

The dam stands 10 feet tall and stretches 471 feet across, creates a reservoir covering 52 acres, has a maximum storage capacity of 360 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1919, 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 06/18/2020.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyPike
River/StreamRock Hill Creek
Coordinates41.27333, -75.05639

Physical Characteristics

Dam TypeTimber Crib
NID Height10 ft
Dam Height10 ft
Dam Length471 ft
Year Completed1919 (107 years old)

Storage & Hydraulics

NID Storage360 acre-ft
Max Storage360 acre-ft
Normal Storage199 acre-ft
Surface Area52 acres
Drainage Area6 sq mi

Ownership & Safety

PurposeRecreation
OwnerBLUE HERON DEVELOPMENT COMPANY, INC.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection06/18/2020
Emergency Action PlanYes

Identifiers

NID IDPA00311
Federal IDPA00311
More InfoState Dam Safety Program

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