Dan Gray No. 3
Dan Gray No. 3 is an earth dam located in Dewey County, South Dakota, built in 1955. It carries a Low hazard potential classification.
About Dan Gray No. 3
The primary purpose of Dan Gray No. 3 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 Dan Gray (private). It impounds the Tr. Stove Creek.
The dam stands 25 feet tall and stretches 300 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 170 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1955, 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.
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Location
| State | South Dakota |
| County | Dewey |
| River/Stream | Tr. Stove Creek |
| Coordinates | 45.11471, -100.61343 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 300 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 170 acre-ft |
| Max Storage | 170 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | DAN GRAY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02598 |
| Federal ID | SD02598 |
| More Info | State Dam Safety Program |