Frd No 20
Frd No 20 is an earth dam located in Butler County, Kansas, built in 1981. It carries a Low hazard potential classification.
About Frd No 20
The primary purpose of Frd No 20 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 Upper Walnut Wjd No 33 (local government). It impounds the Walnut River-tr near Potwin.
The dam stands 24 feet tall and stretches 1,700 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 1,153 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1981, the structure is 45 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.
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Location
| State | Kansas |
| County | Butler |
| Nearest City | Potwin |
| River/Stream | Walnut River-tr |
| Coordinates | 38.06098, -96.66464 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 1,153 acre-ft |
| Max Storage | 1,153 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 950 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | UPPER WALNUT WJD NO 33 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05291 |
| Federal ID | KS05291 |
| More Info | State Dam Safety Program |