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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Location
| State | Missouri |
| County | Grundy |
| Nearest City | Chillicothe |
| River/Stream | Tr-thompson River |
| Coordinates | 40.14761, -93.69139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 30 ft |
| Dam Length | 660 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 165 sq mi |
| Max Discharge | 63 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | HARRISON TOWNSHIP BOARD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50125 |
| Federal ID | MO50125 |
| More Info | State Dam Safety Program |