Patterson Creek No.38

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWest Virginia
CountyMineral
Nearest CityFORT ASHBY
River/StreamHOLLENBECK RUN
Coordinates39.41361, -78.84194

Physical Characteristics

Dam TypeEarth
NID Height59 ft
Dam Height59 ft
Dam Length461 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage852 acre-ft
Max Storage852 acre-ft
Normal Storage52 acre-ft
Surface Area7 acres
Drainage Area3 sq mi
Max Discharge9,337 cfs
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 IDWV05715
Federal IDWV05715
More InfoState Dam Safety Program

Nearby Dams

Patterson Creek No.36 1.4 mi High Patterson Creek No.37 1.8 mi High Markwood Cedar Lake Dam 2.2 mi Low Patterson Creek No.32 3.5 mi High Patterson Creek No.27 3.6 mi High Patterson Creek No.30 3.7 mi High Patterson Creek No.26 4.2 mi High Patterson Creek No.52 4.9 mi High Patterson Creek No.25 5.0 mi High Patterson Creek No.28 5.0 mi High