William Robertson Dam
William Robertson Dam is an earth dam located in Custer County, Nebraska, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.
About William Robertson Dam
William Robertson Dam is a dam in Custer, Nebraska. The dam is owned by William Patrick Robertson (private). It impounds the Spring Creek.
The dam stands 13 feet tall and stretches 324 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 98 acre-feet, and collects water from a drainage area of 4 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/22/2022.
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Location
| State | Nebraska |
| County | Custer |
| Nearest City | None |
| River/Stream | Spring Creek |
| Coordinates | 41.10896, -99.95751 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 324 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 98 acre-ft |
| Max Storage | 98 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | William Patrick Robertson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/22/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE09889 |
| Federal ID | NE09889 |
| More Info | State Dam Safety Program |