Olmsted County Rd 10
Olmsted County Rd 10 is an earth dam located in Olmsted County, Minnesota, built in 1978. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Olmsted County Rd 10
The primary purpose of Olmsted County Rd 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 County Of Olmsted (local government). It impounds the Lynch Creek-tr near Whalan.
The dam stands 37 feet tall and stretches 440 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 114 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/21/2017.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Minnesota |
| County | Olmsted |
| Nearest City | Whalan |
| River/Stream | Lynch Creek-tr |
| Coordinates | 43.89311, -92.16917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 440 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Max Storage | 114 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 43 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Olmsted |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/21/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00869 |
| Federal ID | MN00869 |
| More Info | State Dam Safety Program |