Little Rock Creek
Little Rock Creek is a gravity dam located in Benton County, Minnesota, built in 1978. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Little Rock Creek
The primary purpose of Little Rock Creek is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Mndnr-fisheries And Wildlife (state). It impounds the Little Rock Creek near Rice.
The dam stands 8 feet tall and stretches 182 feet across, creates a reservoir covering 1,310 acres, has a maximum storage capacity of 480 acre-feet, and collects water from a drainage area of 66 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 11/07/2017.
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Location
| State | Minnesota |
| County | Benton |
| Nearest City | Rice |
| River/Stream | Little Rock Creek |
| Coordinates | 45.77734, -94.19481 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 182 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 480 acre-ft |
| Max Storage | 480 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 1,310 acres |
| Drainage Area | 66 sq mi |
| Max Discharge | 50 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | MNDNR-Fisheries and Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/07/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00692 |
| Federal ID | MN00692 |
| More Info | State Dam Safety Program |