Frd No Gs 11 is an earth dam located in Brown County, Kansas, built in 1966. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 47 ft47 ft tall and 770 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Frd No Gs 11
The primary purpose of Frd No Gs 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 Walnut Creek Wd No 1 (local government). It impounds the Spring Branch Walnut Creek near Padonia.
The dam stands 47 feet tall and stretches 770 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 533 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, the structure is well into its service life at over 50 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 03/10/2021.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Kansas |
| County | Brown |
| Nearest City | Padonia |
| River/Stream | Spring Branch Walnut Creek |
| Coordinates | 39.89792, -95.53237 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 770 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 533 acre-ft |
| Max Storage | 533 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,120 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Walnut Creek Wd No 1 |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/10/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS02036 |
| Federal ID | KS02036 |
| More Info | State Dam Safety Program |