Site No. 129 is an earth dam located in Lyon County, Kansas, built in 1988. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 800 ft long. 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 Site No. 129
The primary purpose of Site No. 129 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 Allen Creek Wd No 89 (local government). It impounds the Dow Creek-tr.
The dam stands 19 feet tall and stretches 800 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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 |
| River/Stream | Dow Creek-tr |
| Coordinates | 38.52193, -96.15709 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 800 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Allen Creek Wd No 89 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05428 |
| Federal ID | KS05428 |
| More Info | State Dam Safety Program |