Upper Deckers No. 4

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWest Virginia
CountyPreston
Nearest CityMASONTOWN
River/StreamDILLAN RUN
Coordinates39.52944, -79.77833

Physical Characteristics

Dam TypeEarth
NID Height39 ft
Dam Height39 ft
Dam Length376 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage932 acre-ft
Max Storage932 acre-ft
Normal Storage80 acre-ft
Surface Area10 acres
Drainage Area3 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/31/2025
Emergency Action PlanYes

Identifiers

NID IDWV07709
Federal IDWV07709
More InfoState Dam Safety Program

Nearby Dams

Upper Deckers No. 7 1.3 mi High Upper Deckers No. 3 1.5 mi Low Upper Deckers No. 5 2.0 mi High Upper Deckers No. 2 2.5 mi High Fairfax Pond 2.7 mi High Upper Deckers No. 6 2.7 mi High Lake O' Woods Dam 2.9 mi High Upper Deckers No. 1 3.8 mi High Chippewa Lake 4.3 mi Significant Pikewood #3 Dam 4.4 mi Low