Frd No 7a is an earth dam located in Butler County, Kansas. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,300 ft long, taller than 50% 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 7a
The primary purpose of Frd No 7a 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 Middle Walnut Wjd No 60 (local government). It impounds the Polecat Creek-tr near Rock.
The dam stands 25 feet tall and stretches 1,300 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 676 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 | Butler |
| Nearest City | Rock |
| River/Stream | Polecat Creek-tr |
| Coordinates | 37.52408, -97.14317 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,300 ft |
Storage & Hydraulics
| NID Storage | 676 acre-ft |
| Max Storage | 676 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Middle Walnut Wjd No 60 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07087 |
| Federal ID | KS07087 |
| More Info | State Dam Safety Program |