Gs Dd No 109 is an earth dam located in Osage County, Kansas, built in 1985. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 670 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 109
The primary purpose of Gs Dd No 109 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 Wakarusa Wjd No 35 (local government). It impounds the Rock Creek-tr near Lawrence.
The dam stands 31 feet tall and stretches 670 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 168 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1985, the structure is 41 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 | Osage |
| Nearest City | Lawrence |
| River/Stream | Rock Creek-tr |
| Coordinates | 38.78589, -95.50533 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 670 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 168 acre-ft |
| Max Storage | 168 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,511 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Wakarusa Wjd No 35 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07462 |
| Federal ID | KS07462 |
| More Info | State Dam Safety Program |