Eilen Wpa
Eilen Wpa is an earth dam located in Deuel County, South Dakota, built in 1989. It carries a Low hazard potential classification.
About Eilen Wpa
The primary purpose of Eilen Wpa 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 Usfws (federal). It impounds the Monighan Creek.
The dam stands 9 feet tall and stretches 266 feet across, creates a reservoir covering 89 acres, has a maximum storage capacity of 725 acre-feet, and collects water from a drainage area of 22 square miles. Completed in 1989, the structure is 37 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 | Deuel |
| River/Stream | Monighan Creek |
| Coordinates | 44.80074, -96.55456 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 266 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 725 acre-ft |
| Max Storage | 725 acre-ft |
| Normal Storage | 257 acre-ft |
| Surface Area | 89 acres |
| Drainage Area | 22 sq mi |
| Max Discharge | 3,475 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | USFWS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02520 |
| Federal ID | SD02520 |
| More Info | State Dam Safety Program |