Grevson Dam is an earth dam located in Stanton County, Nebraska, built in 1971. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 515 ft long, taller than 78% 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 Grevson Dam
The primary purpose of Grevson Dam 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 Bill Blank Agency Inc (private). It impounds the Sand Creek near Stanton.
The dam stands 34 feet tall and stretches 515 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 428 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1971, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/25/2019.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Nebraska |
| County | Stanton |
| Nearest City | Stanton |
| River/Stream | Sand Creek |
| Coordinates | 41.87898, -97.33456 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 30 ft |
| Dam Length | 515 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 428 acre-ft |
| Max Storage | 428 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,165 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Bill Blank Agency Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/25/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00381 |
| Federal ID | NE00381 |
| More Info | State Dam Safety Program |