Patterson Creek No.20

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWest Virginia
CountyMineral
Nearest CityBURLINGTON
River/StreamLILLER RUN
Coordinates39.34889, -78.97500

Physical Characteristics

Dam TypeEarth
NID Height61 ft
Dam Height61 ft
Dam Length400 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage528 acre-ft
Max Storage528 acre-ft
Normal Storage30 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge11,318 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 IDWV05709
Federal IDWV05709
More InfoState Dam Safety Program

Nearby Dams

Patterson Creek No.21 1.3 mi High New Creek Dam No.9 2.8 mi High Old Keyser Reservoir 2.9 mi High Patterson Creek No.22 3.1 mi Significant Patterson Creek No.24 3.6 mi High New Creek Dam No.7 3.7 mi High New Creek Dam No.5 3.8 mi High Patterson Creek No.25 3.9 mi High Patterson Creek No.47 4.0 mi High Patterson Creek No.15 4.1 mi High