Sheppard is an earth dam located in Adams County, Pennsylvania, built in 1934. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection06/28/2017
Height23 ft
Built193492 years ago

Dam profile

NID height · 23 ft
23 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

23 ft tall and 300 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Sheppard

The primary purpose of Sheppard is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Peter H. Sheppard (private). It impounds the Tr South Branch Conewago Creek.

The dam stands 23 feet tall and stretches 300 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 89 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1934, 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. The most recent inspection on record was 06/28/2017.

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Location

StatePennsylvania
CountyAdams
River/StreamTr South Branch Conewago Creek
Coordinates39.76278, -77.01528

Physical Characteristics

Dam TypeEarth
NID Height23 ft
Dam Height23 ft
Dam Length300 ft
Year Completed1934 (92 years old)

Storage & Hydraulics

NID Storage89 acre-ft
Max Storage89 acre-ft
Normal Storage61 acre-ft
Surface Area5 acres
Drainage Area1 sq mi

Ownership & Safety

PurposeRecreation
OwnerPeter H. Sheppard
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection06/28/2017
Emergency Action PlanNot Required

Identifiers

NID IDPA00333
Federal IDPA00333
More InfoState Dam Safety Program