Dd No 117 is an earth dam located in Lyon County, Kansas, built in 1989. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 800 ft long, taller than 68% 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 Dd No 117
The primary purpose of Dd No 117 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 Upper Marais Des Cygnes Wjd No 101 (local government). It impounds the Elm Creek-tr near Miller.
The dam stands 30 feet tall and stretches 800 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 262 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1989, the structure is 37 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 | Lyon |
| Nearest City | Miller |
| River/Stream | Elm Creek-tr |
| Coordinates | 38.69774, -96.08891 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 800 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 262 acre-ft |
| Max Storage | 262 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,980 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Upper Marais Des Cygnes Wjd No 101 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07371 |
| Federal ID | KS07371 |
| More Info | State Dam Safety Program |