Dd No 3-4a is an earth dam located in Ford County, Kansas, built in 1987. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 2,217 ft long, taller than 59% 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 3-4a
The primary purpose of Dd No 3-4a 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 Pawnee Wjd No 81 (local government). It impounds the Duck Creek-tr near Hanston.
The dam stands 27 feet tall and stretches 2,217 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 2,216 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1987, the structure is 39 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.
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Location
| State | Kansas |
| County | Ford |
| Nearest City | Hanston |
| River/Stream | Duck Creek-tr |
| Coordinates | 37.82143, -100.05395 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 2,217 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 2,216 acre-ft |
| Max Storage | 2,216 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 9 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Pawnee Wjd No 81 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07585 |
| Federal ID | KS07585 |
| More Info | State Dam Safety Program |