Site 75a
Site 75a is an earth dam located in Pottawatomie County, Kansas, built in 2004. It carries a Low hazard potential classification.
About Site 75a
The primary purpose of Site 75a 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 Rock Creek Wd No 45 (local government). It impounds the Rock Creek-tr.
The dam stands 33 feet tall and stretches 650 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 295 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2004, the structure is relatively new.
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. The most recent inspection on record was 08/28/2007. That was over 18 years ago.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Kansas |
| County | Pottawatomie |
| River/Stream | Rock Creek-tr |
| Coordinates | 39.33524, -96.41091 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 650 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 295 acre-ft |
| Max Storage | 295 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,240 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ROCK CREEK WD NO 45 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Last Inspection | 08/28/2007 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09212 |
| Federal ID | KS09212 |
| More Info | State Dam Safety Program |