Werdel East Dam is an earth dam located in Hand County, South Dakota, built in 2008. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 1,600 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 Werdel East Dam
The primary purpose of Werdel East Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pj Werdel & Sons Inc (private). It impounds the Sand Creek.
The dam stands 28 feet tall and stretches 1,600 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 478 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 2008, the structure is relatively new.
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 | Hand |
| River/Stream | Sand Creek |
| Coordinates | 44.22725, -99.27591 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 1,600 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 478 acre-ft |
| Max Storage | 478 acre-ft |
| Normal Storage | 273 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Pj Werdel & Sons Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02660 |
| Federal ID | SD02660 |
| More Info | State Dam Safety Program |