Sunny Hill-lower
Sunny Hill-lower is an earth dam located in Norman County, Minnesota, built in 1974. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Sunny Hill-lower
The primary purpose of Sunny Hill-lower 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 Swcd Of Norman County (local government). It impounds the Wild Rice River-tr near Fossum.
The dam stands 24 feet tall, has a maximum storage capacity of 147 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/25/2016.
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Location
| State | Minnesota |
| County | Norman |
| Nearest City | Fossum |
| River/Stream | Wild Rice River-tr |
| Coordinates | 47.20936, -96.14794 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 147 acre-ft |
| Max Storage | 147 acre-ft |
| Normal Storage | 40 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 174 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | SWCD of Norman County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/25/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00812 |
| Federal ID | MN00812 |
| More Info | State Dam Safety Program |