Harrison Twp Site Ca-89-g-h-10

Harrison Twp Site Ca-89-g-h-10 is an earth dam located in Grundy County, Missouri, built in 1978. It carries a Low hazard potential classification.

About Harrison Twp Site Ca-89-g-h-10

The primary purpose of Harrison Twp Site Ca-89-g-h-10 is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Harrison Township Board (local government). It impounds the Tr-thompson River near Chillicothe.

The dam stands 32 feet tall and stretches 660 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 42 acre-feet, and collects water from a drainage area of 165 square miles. Completed in 1978, the structure is 48 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.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyGrundy
Nearest CityChillicothe
River/StreamTr-thompson River
Coordinates40.14761, -93.69139

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height30 ft
Dam Length660 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage42 acre-ft
Max Storage42 acre-ft
Normal Storage9 acre-ft
Surface Area10 acres
Drainage Area165 sq mi
Max Discharge63 cfs
Spillway TypeNone

Ownership & Safety

PurposeGrade Stabilization
OwnerHARRISON TOWNSHIP BOARD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO50125
Federal IDMO50125
More InfoState Dam Safety Program

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