Frd No 7 is an earth dam located in Butler County, Kansas, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall, taller than 59% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Frd No 7
The primary purpose of Frd No 7 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 Little Walnut-hickory Wjd No 18 (local government). It impounds the No Branch Little Walnut River near Leon.
The dam stands 27 feet tall, creates a reservoir covering 31 acres, has a maximum storage capacity of 1,745 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1971, the structure is well into its service life at over 50 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 | Leon |
| River/Stream | No Branch Little Walnut River |
| Coordinates | 37.79953, -96.60404 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 1,745 acre-ft |
| Max Storage | 1,745 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,114 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Little Walnut-hickory Wjd No 18 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS02088 |
| Federal ID | KS02088 |
| More Info | State Dam Safety Program |