Hayes
Hayes is an earth dam located in Stanley County, South Dakota, built in 1937. It carries a Low hazard potential classification.
About Hayes
The primary purpose of Hayes is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by S&pl (state). It impounds the Frozen Man Creek.
The dam stands 17 feet tall and stretches 670 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 845 acre-feet, and collects water from a drainage area of 50 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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 09/20/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Stanley |
| Nearest City | None |
| River/Stream | Frozen Man Creek |
| Coordinates | 44.36112, -101.00925 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 670 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 845 acre-ft |
| Max Storage | 845 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 50 sq mi |
| Max Discharge | 9,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 09/20/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00039 |
| Federal ID | SD00039 |
| More Info | State Dam Safety Program |