Herrington Manor

Herrington Manor is an earth dam located in Garrett County, Maryland, built in 1938. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Herrington Manor

The primary purpose of Herrington Manor is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Md Dnr-public Lands, Engineering & Constr-western (state). It impounds the Herrington Run near Crellin.

The dam stands 24 feet tall and stretches 787 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 722 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.

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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/12/2022.

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Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateMaryland
CountyGarrett
Nearest CityCrellin
River/StreamHerrington Run
Coordinates39.45803, -79.45285

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length787 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage722 acre-ft
Max Storage722 acre-ft
Normal Storage216 acre-ft
Surface Area41 acres
Drainage Area5 sq mi
Max Discharge3,235 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMD DNR-Public Lands, Engineering & Constr-Western
Owner TypeState
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection12/12/2022
Emergency Action PlanNo

Identifiers

NID IDMD00012
Federal IDMD00012
More InfoState Dam Safety Program

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