Mission Creek 6-a
Mission Creek 6-a is an earth dam located in Pawnee County, Nebraska, built in 1977. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mission Creek 6-a
The primary purpose of Mission Creek 6-a 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 37 feet tall and stretches 1,517 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 892 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1977, the structure is 49 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 05/13/2021.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Oketo Ks |
| River/Stream | Tr-mission Creek |
| Coordinates | 40.03458, -96.43106 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 36 ft |
| Dam Length | 1,517 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 892 acre-ft |
| Max Storage | 892 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 352 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/13/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01565 |
| Federal ID | NE01565 |
| More Info | State Dam Safety Program |