Frd No 12a is an earth dam located in Sedgwick County, Kansas, built in 1985. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 1,010 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 Frd No 12a
The primary purpose of Frd No 12a 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 Middle Walnut Wjd No 60 (local government). It impounds the Eight Mile Creek-tr near Rose Hill.
The dam stands 18 feet tall and stretches 1,010 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 389 acre-feet, and collects water from a drainage area of 1 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.
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Location
| State | Kansas |
| County | Sedgwick |
| Nearest City | Rose Hill |
| River/Stream | Eight Mile Creek-tr |
| Coordinates | 37.59303, -97.15946 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 1,010 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 389 acre-ft |
| Max Storage | 389 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 460 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Middle Walnut Wjd No 60 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07512 |
| Federal ID | KS07512 |
| More Info | State Dam Safety Program |