Site 9-29 is an earth dam located in Nemaha County, Kansas, built in 2003. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 612 ft long, taller than 59% 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 Site 9-29
The primary purpose of Site 9-29 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 Nemaha-brown Wjd No 7 (local government). It impounds the Wolfley Creek-tr near Woodlawn.
The dam stands 27 feet tall and stretches 612 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 136 acre-feet. Completed in 2003, the structure is relatively new.
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 12/17/2004. That was over 21 years ago.
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Location
| State | Kansas |
| County | Nemaha |
| Nearest City | Woodlawn |
| River/Stream | Wolfley Creek-tr |
| Coordinates | 39.75718, -95.87958 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 612 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 6 acres |
| Max Discharge | 744 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha-brown Wjd No 7 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/17/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09038 |
| Federal ID | KS09038 |
| More Info | State Dam Safety Program |