Troublesome Creek Watershed Dam T-121 is an earth dam located in Knox County, Missouri, built in 1992. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 532 ft long, taller than 50% 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 Troublesome Creek Watershed Dam T-121
The primary purpose of Troublesome Creek Watershed Dam T-121 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 Troublesome Ck Subdistrict (local government). It impounds the Troublesome Creek near Knox City.
The dam stands 25 feet tall and stretches 532 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 89 acre-feet, and collects water from a drainage area of 90 square miles. Completed in 1992, the structure is 34 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. The most recent inspection on record was 09/18/1998. That was over 28 years ago.
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Location
| State | Missouri |
| County | Knox |
| Nearest City | Knox City |
| River/Stream | Troublesome Creek |
| Coordinates | 40.06486, -91.97967 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 20 ft |
| Dam Length | 532 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 90 sq mi |
| Max Discharge | 106 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Troublesome Ck Subdistrict |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/18/1998 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50944 |
| Federal ID | MO50944 |
| More Info | State Dam Safety Program |