Orchard Park Meadows Retention Bas

Orchard Park Meadows Retention Bas is an earth dam located in Allegheny County, Pennsylvania, built in 1989. It carries a High hazard potential classification and has a fair condition assessment.

About Orchard Park Meadows Retention Bas

The primary purpose of Orchard Park Meadows Retention Bas is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Fifty-five Fifty, Inc. (private). It impounds the Tr West Branch Deer Creek.

The dam stands 21 feet tall and stretches 140 feet across, has a maximum storage capacity of 13 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1989, the structure is 37 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 03/05/2021.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Pennsylvania dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyAllegheny
River/StreamTr West Branch Deer Creek
Coordinates40.62150, -79.92728

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length140 ft
Year Completed1989 (37 years old)

Storage & Hydraulics

NID Storage13 acre-ft
Max Storage13 acre-ft
Drainage Area0 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerFIFTY-FIVE FIFTY, INC.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection03/05/2021
Emergency Action PlanYes

Identifiers

NID IDPA01419
Federal IDPA01419
More InfoState Dam Safety Program

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