Pigors Dam
Pigors Dam is an earth dam located in Brown County, South Dakota, built in 1937. It carries a Low hazard potential classification.
About Pigors Dam
The primary purpose of Pigors Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gf&p (state). It impounds the Tr-james River near Ferney.
The dam stands 20 feet tall and stretches 900 feet across, creates a reservoir covering 58 acres, has a maximum storage capacity of 950 acre-feet, and collects water from a drainage area of 9 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 11/05/2019.
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Location
| State | South Dakota |
| County | Brown |
| Nearest City | Ferney |
| River/Stream | Tr-james River |
| Coordinates | 45.33640, -98.00053 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 900 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 950 acre-ft |
| Max Storage | 950 acre-ft |
| Normal Storage | 350 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 5,700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/05/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02138 |
| Federal ID | SD02138 |
| More Info | State Dam Safety Program |