Gs Dd No 55 is an earth dam located in Pottawatomie County, Kansas, built in 1996. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 800 ft long, taller than 72% of U.S. dams with a recorded height. 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 Gs Dd No 55
The primary purpose of Gs Dd No 55 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 Rock Creek Wd No 45 (local government). It impounds the Rock Creek-tr near Louisville.
The dam stands 31 feet tall and stretches 800 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 422 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1996, the structure is 30 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 04/08/2022.
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Location
| State | Kansas |
| County | Pottawatomie |
| Nearest City | Louisville |
| River/Stream | Rock Creek-tr |
| Coordinates | 39.23821, -96.35624 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 800 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 422 acre-ft |
| Max Storage | 422 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,136 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Rock Creek Wd No 45 |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/08/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS09101 |
| Federal ID | KS09101 |
| More Info | State Dam Safety Program |