Upper Occoquan Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateVirginia
CountyPrince William
River/StreamOccoquan River
Coordinates38.69470, -77.27650

Physical Characteristics

Dam TypeGravity
NID Height65 ft
Dam Height65 ft
Dam Length801.5 ft

Storage & Hydraulics

NID Storage25,472 acre-ft
Max Storage25,472 acre-ft
Normal Storage25,472 acre-ft
Surface Area1,840 acres
Drainage Area595 sq mi

Ownership & Safety

PurposeWater Supply
OwnerFairfax County Water Authority
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection11/05/2020
Emergency Action PlanYes

Identifiers

NID IDVA153004
Federal IDVA153004
More InfoState Dam Safety Program

Nearby Dams

Occoquan Lower Storage Dam 0.5 mi High F.p. Griffith Water Plant Stormwater Outflow #6 0.8 mi Undetermined F.p. Griffith Water Plant Lorton Quarry 0.9 mi Undetermined Omisol Dam 1.9 mi High Laurel Hill Lake Dam 2.1 mi Undetermined Crosspointe Lake Dam 2.2 mi High Prince William Parkway Regional Swm 3.1 mi High Pohick Creek Dam #1 3.2 mi High Sewage Holding Pond No.2 Lower Potomac Pollution Control Plant 3.9 mi Low Pohick Creek Dam #8 4.3 mi High