Edgar Dam is an earth dam located in Saunders County, Nebraska, built in 1960. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 350 ft long. 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 Edgar Dam
Edgar Dam is a dam in Saunders, Nebraska. The dam is owned by Saunders County (local government). It impounds the Tr-rock Creek near Greenwood.
The dam stands 21 feet tall and stretches 350 feet across, has a maximum storage capacity of 78 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/28/2021.
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Location
| State | Nebraska |
| County | Saunders |
| Nearest City | Greenwood |
| River/Stream | Tr-rock Creek |
| Coordinates | 41.08928, -96.69951 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 350 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 1 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 993 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Saunders County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00261 |
| Federal ID | NE00261 |
| More Info | State Dam Safety Program |