Frd No 40 is an earth dam located in Elk County, Kansas, built in 1979. It carries a Low hazard potential classification.
Dam profile
NID height · 60 ft60 ft tall and 1,700 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Frd No 40
The primary purpose of Frd No 40 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 Elk River Wjd No 47 (local government). It impounds the Clear Creek near Howard.
The dam stands 60 feet tall and stretches 1,700 feet across, creates a reservoir covering 48 acres, has a maximum storage capacity of 4,775 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1979, the structure is 47 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. The most recent inspection on record was 09/19/1996. That was over 30 years ago.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Kansas |
| County | Elk |
| Nearest City | Howard |
| River/Stream | Clear Creek |
| Coordinates | 37.48668, -96.36424 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 4,775 acre-ft |
| Max Storage | 4,775 acre-ft |
| Normal Storage | 431 acre-ft |
| Surface Area | 48 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 10,682 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Elk River Wjd No 47 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/19/1996 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05398 |
| Federal ID | KS05398 |
| More Info | State Dam Safety Program |