Whitewater North Site #1
Whitewater North Site #1 is an earth dam located in Pennington County, South Dakota, built in 2000. It carries a Low hazard potential classification.
About Whitewater North Site #1
The primary purpose of Whitewater North Site #1 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Usda Forest Service (federal). It impounds the Trib. Whitewater Creek.
The dam stands 11 feet tall and stretches 818 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 66 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2000, the structure is 26 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.
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Location
| State | South Dakota |
| County | Pennington |
| Nearest City | None |
| River/Stream | Trib. Whitewater Creek |
| Coordinates | 43.91499, -102.16829 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 818 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 990 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | USDA FOREST SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02456 |
| Federal ID | SD02456 |
| More Info | State Dam Safety Program |