West Fork Big Creek Dam P- 23

West Fork Big Creek Dam P- 23 is an earth dam located in Harrison County, Missouri, built in 2001. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection09/25/2001
Height29 ft
Built200125 years ago

Dam profile

NID height · 29 ft
29 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

29 ft tall and 450 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About West Fork Big Creek Dam P- 23

The primary purpose of West Fork Big Creek Dam P- 23 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by West Fork Big Creek Watershed (local government). It impounds the Polecat-os near Bridgeport.

The dam stands 29 feet tall and stretches 450 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 120 square miles. Completed in 2001, the structure is relatively new.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 09/25/2001. That was over 25 years ago.

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Location

StateMissouri
CountyHarrison
Nearest CityBridgeport
River/StreamPolecat-os
Coordinates40.25869, -94.00370

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height25 ft
Dam Length450 ft
Year Completed2001 (25 years old)

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage13 acre-ft
Surface Area4 acres
Drainage Area120 sq mi
Max Discharge136 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerWest Fork Big Creek Watershed
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection09/25/2001
Emergency Action PlanNot Required

Identifiers

NID IDMO51025
Federal IDMO51025
More InfoState Dam Safety Program