Capitol Beach Dam is an earth dam located in Lancaster County, Nebraska, built in 1962. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 7,400 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 Capitol Beach Dam
The primary purpose of Capitol Beach Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Capitol Beach Community Assoc (private). It impounds the Tr-oak Creek near Lincoln.
The dam stands 21 feet tall and stretches 7,400 feet across, creates a reservoir covering 272 acres, has a maximum storage capacity of 2,453 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, 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 06/10/2022.
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Location
| State | Nebraska |
| County | Lancaster |
| Nearest City | Lincoln |
| River/Stream | Tr-oak Creek |
| Coordinates | 40.82946, -96.73595 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 7,400 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 2,453 acre-ft |
| Max Storage | 2,453 acre-ft |
| Normal Storage | 2,015 acre-ft |
| Surface Area | 272 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 71 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Capitol Beach Community Assoc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/10/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02934 |
| Federal ID | NE02934 |
| More Info | State Dam Safety Program |