Troublesome Creek Watershed Dam S- 81 is an earth dam located in Lewis County, Missouri, built in 1994. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 409 ft long, taller than 80% 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 S- 81
The primary purpose of Troublesome Creek Watershed Dam S- 81 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 Lewistown.
The dam stands 35 feet tall and stretches 409 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 116 acre-feet, and collects water from a drainage area of 140 square miles. Completed in 1994, the structure is 32 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 09/11/1991. That was over 35 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Lewis |
| Nearest City | Lewistown |
| River/Stream | Troublesome Creek |
| Coordinates | 39.97049, -91.79292 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 28 ft |
| Dam Length | 409 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 116 acre-ft |
| Max Storage | 116 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 140 sq mi |
| Max Discharge | 196 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 | 09/11/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50901 |
| Federal ID | MO50901 |
| More Info | State Dam Safety Program |