Winter Dam
Winter Dam is an earth dam located in Brookings County, South Dakota, built in 2002. It carries a Low hazard potential classification.
About Winter Dam
The primary purpose of Winter Dam 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 Robert Winter (private). It impounds the Tr. Big Sioux River.
The dam stands 10 feet tall and stretches 535 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2002, the structure is relatively new.
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 05/27/2002. That was over 23 years ago.
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Location
| State | South Dakota |
| County | Brookings |
| River/Stream | Tr. Big Sioux River |
| Coordinates | 44.38829, -97.05329 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 535 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 735 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | ROBERT WINTER |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 05/27/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02490 |
| Federal ID | SD02490 |
| More Info | State Dam Safety Program |