Dd No Sp-9
Dd No Sp-9 is an earth dam located in Butler County, Kansas, built in 1994. It carries a Low hazard potential classification.
About Dd No Sp-9
The primary purpose of Dd No Sp-9 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 Whitewater River Wjd No 22 (local government). It impounds the Four Mile Creek near Towanda.
The dam stands 24 feet tall and stretches 2,930 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 1,059 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1994, the structure is 32 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 | Butler |
| Nearest City | Towanda |
| River/Stream | Four Mile Creek |
| Coordinates | 37.97203, -96.94392 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 2,930 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 1,059 acre-ft |
| Max Storage | 1,059 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,556 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WHITEWATER RIVER WJD NO 22 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09227 |
| Federal ID | KS09227 |
| More Info | State Dam Safety Program |