Lower North River # 81c

Lower North River # 81c is an earth dam located in Rockingham County, Virginia. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Lower North River # 81c

The primary purpose of Lower North River # 81c 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 City Of Harrisonburg (state). It impounds the Skidmore Fork.

The dam stands 143 feet tall and stretches 450 feet across, creates a reservoir covering 119 acres, has a maximum storage capacity of 10,357 acre-feet, and collects water from a drainage area of 14 square miles.

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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/05/2017. That was 8 years ago, which is on the longer end for a high-hazard structure.

At 143 feet, this dam is taller than 99% of all dams in the United States.

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 Virginia 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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateVirginia
CountyRockingham
River/StreamSkidmore Fork
Coordinates38.57180, -79.13770

Physical Characteristics

Dam TypeEarth
NID Height143 ft
Dam Height143 ft
Dam Length450 ft

Storage & Hydraulics

NID Storage10,357 acre-ft
Max Storage10,357 acre-ft
Normal Storage4,852 acre-ft
Surface Area119 acres
Drainage Area14 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCity of Harrisonburg
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/05/2017
Emergency Action PlanYes

Identifiers

NID IDVA165006
Federal IDVA165006
More InfoState Dam Safety Program

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