Mill Creek 10 is an earth dam located in Richland County, Wisconsin, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 36 ft36 ft tall and 400 ft long, taller than 82% 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 Mill Creek 10
The primary purpose of Mill Creek 10 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 Richland County (local government). It impounds the Creek 11 16 Tr Mill Creek.
The dam stands 36 feet tall and stretches 400 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 360 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1965, the structure is well into its service life at over 50 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/15/2020.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Wisconsin |
| County | Richland |
| Nearest City | None |
| River/Stream | Creek 11 16 Tr Mill Creek |
| Coordinates | 43.45369, -90.56542 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 400 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 120 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Richland County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/15/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00388 |
| Federal ID | WI00388 |
| More Info | State Dam Safety Program |