West Fork Big Creek Dam B-101

West Fork Big Creek Dam B-101 is an earth dam located in Harrison County, Missouri, built in 1991. It carries a Low hazard potential classification.

About West Fork Big Creek Dam B-101

The primary purpose of West Fork Big Creek Dam B-101 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 Tr-west Fork Big Creek near Bethany.

The dam stands 31 feet tall and stretches 470 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 130 square miles. Completed in 1991, the structure is 35 years old.

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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyHarrison
Nearest CityBethany
River/StreamTr-west Fork Big Creek
Coordinates40.36965, -94.06394

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height30 ft
Dam Length470 ft
Year Completed1991 (35 years old)

Storage & Hydraulics

NID Storage128 acre-ft
Max Storage128 acre-ft
Normal Storage38 acre-ft
Surface Area3 acres
Drainage Area130 sq mi
Max Discharge450 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerWEST FORK BIG CREEK WATERSHED
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO50594
Federal IDMO50594
More InfoState Dam Safety Program

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