Dd No 122 is an earth dam located in Brown County, Kansas. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 575 ft long, taller than 76% 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 Dd No 122
The primary purpose of Dd No 122 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 Pony Creek Wjd No 78 (local government). It impounds the Pony Creek-tr near Preston Nebraska.
The dam stands 33 feet tall and stretches 575 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 91 acre-feet.
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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Kansas |
| County | Brown |
| Nearest City | Preston Nebraska |
| River/Stream | Pony Creek-tr |
| Coordinates | 39.94238, -95.70974 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 575 ft |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 357 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Pony Creek Wjd No 78 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS04194 |
| Federal ID | KS04194 |
| More Info | State Dam Safety Program |