Nyman Lake
Nyman Lake is an earth dam located in Allen County, Kansas. It carries a Low hazard potential classification.
About Nyman Lake
The primary purpose of Nyman Lake 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 Nyman, Eunice (private). It impounds the Big Creek Rocky Branch-tr near Shaw.
The dam stands 21 feet tall and stretches 550 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 106 acre-feet, and collects water from a drainage area of 1 square miles.
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.
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Location
| State | Kansas |
| County | Allen |
| Nearest City | Shaw |
| River/Stream | Big Creek Rocky Branch-tr |
| Coordinates | 37.73919, -95.25815 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 16 ft |
| Dam Length | 550 ft |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | NYMAN, EUNICE |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS00182 |
| Federal ID | KS00182 |
| More Info | State Dam Safety Program |