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.
Dam profile
NID height · 32 ft32 ft tall and 660 ft long, taller than 74% 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 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50125 |
| Federal ID | MO50125 |
| More Info | State Dam Safety Program |