Patterson Creek No.27

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWest Virginia
CountyMineral
Nearest CityFort Ashby
River/StreamPATTERSON CREEK
Coordinates39.37111, -78.88167

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height42 ft
Dam Length472 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage348 acre-ft
Max Storage348 acre-ft
Normal Storage18 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerPotomac Valley CD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection09/30/2025
Emergency Action PlanYes

Identifiers

NID IDWV05712
Federal IDWV05712
More InfoState Dam Safety Program

Nearby Dams

Patterson Creek No.26 0.7 mi High Patterson Creek No.52 1.3 mi High Patterson Creek No.25 1.4 mi High Patterson Creek No.36 3.6 mi High Patterson Creek No.38 3.6 mi High Patterson Creek No.24 3.7 mi High Patterson Creek No.37 3.9 mi High Patterson Creek No.28 4.0 mi High Patterson Creek No.30 4.5 mi High Markwood Cedar Lake Dam 4.9 mi Low