Troublesome Creek Watershed Dam S- 66 is an earth dam located in Lewis County, Missouri, built in 1988. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 480 ft long, taller than 55% 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- 66
The primary purpose of Troublesome Creek Watershed Dam S- 66 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 Subdist (local government). It impounds the Tr-troublesome Creek near Steffenville.
The dam stands 26 feet tall and stretches 480 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 101 acre-feet, and collects water from a drainage area of 150 square miles. Completed in 1988, the structure is 38 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.
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Location
| State | Missouri |
| County | Lewis |
| Nearest City | Steffenville |
| River/Stream | Tr-troublesome Creek |
| Coordinates | 40.00029, -91.83243 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 25 ft |
| Dam Length | 480 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 150 sq mi |
| Max Discharge | 180 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Troublesome Ck Subdist |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50321 |
| Federal ID | MO50321 |
| More Info | State Dam Safety Program |