Eide No.3
Eide No.3 is an earth dam located in Gregory County, South Dakota, built in 1975. It carries a Low hazard potential classification.
About Eide No.3
The primary purpose of Eide No.3 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Oakley & Frances Eide (private). It impounds the South Fork Whetstone Creek-tr.
The dam stands 43 feet tall and stretches 350 feet across, and has a maximum storage capacity of 100 acre-feet. Completed in 1975, the structure is well into its service life at over 50 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 07/31/1991. That was over 34 years ago.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | South Dakota |
| County | Gregory |
| Nearest City | None |
| River/Stream | South Fork Whetstone Creek-tr |
| Coordinates | 43.26012, -99.28932 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 350 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 75 acre-ft |
| Max Discharge | 4,902 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | OAKLEY & FRANCES EIDE |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 07/31/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02189 |
| Federal ID | SD02189 |
| More Info | State Dam Safety Program |