Lake Arrowhead Dam
Lake Arrowhead Dam is an earth dam located in Washington County, Nebraska, built in 1972. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lake Arrowhead Dam
The primary purpose of Lake Arrowhead Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Arrowhead Incorporated (private). It impounds the Tr-long Creek near Rural Blair.
The dam stands 57 feet tall and stretches 995 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 370 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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 06/06/2022.
At 57 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Nebraska |
| County | Washington |
| Nearest City | Rural Blair |
| River/Stream | Tr-long Creek |
| Coordinates | 41.44327, -96.11528 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Height | 53 ft |
| Dam Length | 995 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 370 acre-ft |
| Max Storage | 370 acre-ft |
| Normal Storage | 274 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 530 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Arrowhead Incorporated |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/06/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00462 |
| Federal ID | NE00462 |
| More Info | State Dam Safety Program |