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Clear Creek 22-A is a local government-owned Earth dam located in Saunders, Nebraska, designed by USDA NRCS and completed in 1975 for flood risk reduction along Johnson Creek. This significant dam stands at a height of 48 feet with a hydraulic height of 46 feet and a structural height of 53.8 feet, providing a maximum storage capacity of 4,973 acre-feet and a normal storage capacity of 487 acre-feet over a drainage area of 17.6 square miles.
With a length of 1,895 feet and a surface area of 77 acres, Clear Creek 22-A plays a crucial role in managing flood risks in the region, boasting a maximum discharge capacity of 8,981 cubic feet per second. The dam is regulated by the Nebraska Department of Natural Resources, with state permitting, inspection, and enforcement in place to ensure its safety and functionality. Despite its significant hazard potential, the dam's condition assessment as of June 2019 was reported as satisfactory, reflecting the ongoing efforts to maintain and monitor its integrity.
As a key component of flood risk reduction infrastructure in the area, Clear Creek 22-A serves as a vital resource for water resource and climate enthusiasts interested in the management and regulation of dams for environmental and community safety. Its design by the Natural Resources Conservation Service and its strategic location along Johnson Creek highlight the importance of proactive measures in mitigating potential hazards and ensuring effective water management practices in Saunders County, Nebraska.
Year_Completed | 1975 |
Dam_Height | 48 |
River_Or_Stream | JOHNSON CREEK |
Dam_Length | 1895 |
Primary_Dam_Type | Earth |
Surface_Area | 77 |
Hydraulic_Height | 46 |
Drainage_Area | 17.6 |
Nid_Storage | 4973 |
Structural_Height | 53.8 |
Hazard_Potential | Significant |
Foundations | Soil |
Nid_Height | 54 |
PLATTE R NR ASHLAND | 4960cfs |
WAHOO CR AT ASHLAND | 61cfs |
SALT CREEK AT PIONEERS BLVD AT LINCOLN | 11cfs |
MAPLE CREEK NEAR NICKERSON | 37cfs |
PLATTE R AT LOUISVILLE NE | 4950cfs |
HAINES BRANCH AT SW 56TH ST. AT LINCOLN | 3cfs |
ROCK CREEK NEAR CERESCO | 15cfs |