Pat Brown is an earth dam located in Custer County, South Dakota, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 200 ft long, taller than 62% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Pat Brown
The primary purpose of Pat Brown 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 Pat Brown (private). It impounds the Trib. Spring Creek.
The dam stands 28 feet tall and stretches 200 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1998, the structure is 28 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 | Custer |
| Nearest City | None |
| River/Stream | Trib. Spring Creek |
| Coordinates | 43.81999, -102.71829 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 200 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Pat Brown |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02444 |
| Federal ID | SD02444 |
| More Info | State Dam Safety Program |