Dd No 4 (sp-4)
Dd No 4 (sp-4) is an earth dam located in Butler County, Kansas, built in 1994. It carries a Low hazard potential classification.
About Dd No 4 (sp-4)
The primary purpose of Dd No 4 (sp-4) 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 Upper Walnut Wjd No 33 (local government). It impounds the Walnut River-tr near El Dorado.
The dam stands 24 feet tall and stretches 1,300 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 857 acre-feet, and collects water from a drainage area of 1 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. The most recent inspection on record was 07/18/1995. That was over 30 years ago.
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Location
| State | Kansas |
| County | Butler |
| Nearest City | El Dorado |
| River/Stream | Walnut River-tr |
| Coordinates | 37.99767, -96.71737 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 857 acre-ft |
| Max Storage | 857 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,335 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | UPPER WALNUT WJD NO 33 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Last Inspection | 07/18/1995 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07698 |
| Federal ID | KS07698 |
| More Info | State Dam Safety Program |