Sioux Poinsett Gpa
Sioux Poinsett Gpa is an earth dam located in Hamlin County, South Dakota, built in 1995. It carries a Low hazard potential classification.
About Sioux Poinsett Gpa
The primary purpose of Sioux Poinsett Gpa 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 Gf&p (state). It impounds the Trib. Big Sioux River.
The dam stands 11 feet tall and stretches 400 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 125 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1995, the structure is 31 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. The most recent inspection on record was 11/27/2019.
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Location
| State | South Dakota |
| County | Hamlin |
| Nearest City | None |
| River/Stream | Trib. Big Sioux River |
| Coordinates | 44.65617, -97.04748 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 400 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 125 acre-ft |
| Max Storage | 125 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,075 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 11/27/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02413 |
| Federal ID | SD02413 |
| More Info | State Dam Safety Program |