Frd No 31 is an earth dam located in Ness County, Kansas, built in 1985. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 1,775 ft long, taller than 78% 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 31
The primary purpose of Frd No 31 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 Wet Walnut Creek Wjd No 58 (local government). It impounds the Alexander Creek-tr near Alexander.
The dam stands 34 feet tall and stretches 1,775 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 3,036 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1985, the structure is 41 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 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Kansas |
| County | Ness |
| Nearest City | Alexander |
| River/Stream | Alexander Creek-tr |
| Coordinates | 38.51373, -99.60450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,775 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 3,036 acre-ft |
| Max Storage | 3,036 acre-ft |
| Normal Storage | 204 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 4,970 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Wet Walnut Creek Wjd No 58 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05417 |
| Federal ID | KS05417 |
| More Info | State Dam Safety Program |