Gs Dd No D-15 (johnson)
Gs Dd No D-15 (johnson) is an earth dam located in Jackson County, Kansas, built in 1982. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Gs Dd No D-15 (johnson)
The primary purpose of Gs Dd No D-15 (johnson) 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 Delaware Wjd No 10 (local government). It impounds the South Cedar Creek-tr near Valley Falls.
The dam stands 37 feet tall and stretches 741 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 474 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1982, the structure is 44 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/02/2020.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Kansas |
| County | Jackson |
| Nearest City | Valley Falls |
| River/Stream | South Cedar Creek-tr |
| Coordinates | 39.32604, -95.69214 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 741 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 474 acre-ft |
| Max Storage | 474 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DELAWARE WJD NO 10 |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/02/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS07237 |
| Federal ID | KS07237 |
| More Info | State Dam Safety Program |