Frd No 7 is an earth dam located in Coffey County, Kansas, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 2,400 ft long, taller than 84% 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 Big Creek Wjd No 48 (local government). It impounds the South Big Creek-tr near Gridley.
The dam stands 38 feet tall and stretches 2,400 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 2,592 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1991, the structure is 35 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.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Kansas |
| County | Coffey |
| Nearest City | Gridley |
| River/Stream | South Big Creek-tr |
| Coordinates | 38.07295, -95.90997 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 2,400 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 2,592 acre-ft |
| Max Storage | 2,592 acre-ft |
| Normal Storage | 270 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 2,483 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Big Creek Wjd No 48 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05486 |
| Federal ID | KS05486 |
| More Info | State Dam Safety Program |