South Anna #52 B

South Anna #52 B is an earth dam located in Hanover County, Virginia, built in 1973. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About South Anna #52 B

The primary purpose of South Anna #52 B 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 Hanover-caroline Soil And Water Conservation District;hanover-caroline Soil And Water Conservation District (local government). It impounds the Mill Creek.

The dam stands 33 feet tall and stretches 791 feet across, creates a reservoir covering 68 acres, has a maximum storage capacity of 2,019 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1973, the structure is well into its service life at over 50 years 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 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 10/12/2021.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateVirginia
CountyHanover
River/StreamMill Creek
Coordinates37.75240, -77.73230

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length791 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage2,019 acre-ft
Max Storage2,019 acre-ft
Normal Storage464 acre-ft
Surface Area68 acres
Drainage Area4 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerHanover-Caroline Soil and Water Conservation District;Hanover-Caroline Soil and Water Conservation District
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection10/12/2021
Emergency Action PlanYes

Identifiers

NID IDVA085002
Federal IDVA085002
More InfoState Dam Safety Program

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