Patterson Creek No.30

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWest Virginia
CountyMineral
Nearest CityFORT ASHBY
River/StreamO'NEIL'S RUN
Coordinates39.43333, -78.90694

Physical Characteristics

Dam TypeEarth
NID Height57 ft
Dam Height57 ft
Dam Length435 ft
Year Completed1988 (38 years old)

Storage & Hydraulics

NID Storage433 acre-ft
Max Storage433 acre-ft
Normal Storage24 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Max Discharge5,239 cfs
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDWV05729
Federal IDWV05729
More InfoState Dam Safety Program

Nearby Dams

Patterson Creek No.37 2.0 mi High Patterson Creek No.28 2.2 mi High Patterson Creek No.36 2.3 mi High Markwood Cedar Lake Dam 2.4 mi Low Patterson Creek No.32 2.4 mi High Patterson Creek No.38 3.7 mi High Patterson Creek No.27 4.5 mi High New Creek Dam No.1 4.6 mi High Patterson Creek No.26 4.6 mi High Old Keyser Reservoir 5.0 mi High