Dd No Sp-11
Dd No Sp-11 is an earth dam located in Butler County, Kansas, built in 1996. It carries a Low hazard potential classification.
About Dd No Sp-11
The primary purpose of Dd No Sp-11 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 Rock Creek near Towanda.
The dam stands 27 feet tall and stretches 2,213 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 1,703 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1996, the structure is 30 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. The most recent inspection on record was 03/27/1996. That was over 30 years ago.
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Location
| State | Kansas |
| County | Butler |
| Nearest City | Towanda |
| River/Stream | Rock Creek |
| Coordinates | 37.89841, -96.95969 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 2,213 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 1,703 acre-ft |
| Max Storage | 1,703 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,883 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WHITEWATER RIVER WJD NO 22 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Last Inspection | 03/27/1996 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09097 |
| Federal ID | KS09097 |
| More Info | State Dam Safety Program |