Troublesome Creek Watershed Dam S- 74 is an earth dam located in Lewis County, Missouri, built in 1994. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 540 ft long, taller than 68% 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- 74
The primary purpose of Troublesome Creek Watershed Dam S- 74 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 Long Branch near Ewing.
The dam stands 30 feet tall and stretches 540 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 61 acre-feet, and collects water from a drainage area of 120 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 06/15/1999. That was over 27 years ago.
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Location
| State | Missouri |
| County | Lewis |
| Nearest City | Ewing |
| River/Stream | Long Branch |
| Coordinates | 39.98709, -91.77773 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 22 ft |
| Dam Length | 540 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 120 sq mi |
| Max Discharge | 108 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 | 06/15/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50916 |
| Federal ID | MO50916 |
| More Info | State Dam Safety Program |