N-1 is an earth dam located in Bourbon County, Kansas, built in 2002. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 64 ft64 ft tall and 1,600 ft long, taller than 96% 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 N-1
The primary purpose of N-1 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 Marmaton Wjd No 102 (local government). It impounds the Cedar Creek near Fort Scott.
The dam stands 64 feet tall and stretches 1,600 feet across, creates a reservoir covering 222 acres, has a maximum storage capacity of 10,705 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 2002, the structure is relatively new.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 07/03/2019.
At 64 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Kansas |
| County | Bourbon |
| Nearest City | Fort Scott |
| River/Stream | Cedar Creek |
| Coordinates | 37.81812, -94.79365 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 64 ft |
| Dam Height | 64 ft |
| Dam Length | 1,600 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 10,705 acre-ft |
| Max Storage | 10,705 acre-ft |
| Normal Storage | 4,055 acre-ft |
| Surface Area | 222 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 5,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Marmaton Wjd No 102 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/03/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS09053 |
| Federal ID | KS09053 |
| More Info | State Dam Safety Program |