Mission Creek 7-c
Mission Creek 7-c is an earth dam located in Pawnee County, Nebraska, built in 1976. It carries a Low hazard potential classification and has a poor condition assessment.
About Mission Creek 7-c
The primary purpose of Mission Creek 7-c is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Lower Big Blue Natural Resources District (local government). It impounds the Tr-mission Creek near Oketo Ks.
The dam stands 35 feet tall and stretches 1,303 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 640 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1976, the structure is 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 06/07/2022.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Oketo Ks |
| River/Stream | Tr-mission Creek |
| Coordinates | 40.03794, -96.39513 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 30 ft |
| Dam Length | 1,303 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 640 acre-ft |
| Max Storage | 640 acre-ft |
| Normal Storage | 138 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 418 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/07/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01536 |
| Federal ID | NE01536 |
| More Info | State Dam Safety Program |