North Anna Cat I Service Water Dike

North Anna Cat I Service Water Dike is a rockfill dam located in Louisa County, Virginia, built in 1974. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection05/26/2021
Height37 ft
Built197452 years ago

Dam profile

NID height · 37 ft
37 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

37 ft tall and 3,000 ft long, taller than 83% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.

About North Anna Cat I Service Water Dike

North Anna Cat I Service Water Dike is a dam in Louisa, Virginia. The dam is owned by Virginia Electric and Power Company (public utility). It impounds the None near Mineral.

The dam stands 37 feet tall and stretches 3,000 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 177 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.

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 05/26/2021.

At 37 feet, this dam is taller than 83% of dams nationwide.

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Location

StateVirginia
CountyLouisa
Nearest CityMineral
River/StreamNone
Coordinates38.06333, -77.78694

Physical Characteristics

Dam TypeRockfill
NID Height37 ft
Dam Height37 ft
Dam Length3,000 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage177 acre-ft
Max Storage177 acre-ft
Normal Storage88 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Spillway TypeNone

Ownership & Safety

PurposeOther
OwnerVirginia Electric and Power Company
Owner TypePublic Utility
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/26/2021
Emergency Action PlanNot Required

Identifiers

NID IDVA109075
Federal IDVA109075
More InfoState Dam Safety Program