Dd No H-4 is an earth dam located in Franklin County, Kansas, built in 1986. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 1,207 ft long, taller than 68% 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 H-4
The primary purpose of Dd No H-4 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 Pottawatomie Creek Wjd No 90 (local government). It impounds the Hahn Branch Pottawatomie Creek near Lane.
The dam stands 30 feet tall and stretches 1,207 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 333 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 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 | Franklin |
| Nearest City | Lane |
| River/Stream | Hahn Branch Pottawatomie Creek |
| Coordinates | 38.48327, -95.06904 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,207 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 333 acre-ft |
| Max Storage | 333 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,231 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Pottawatomie Creek Wjd No 90 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05442 |
| Federal ID | KS05442 |
| More Info | State Dam Safety Program |