N-1

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.

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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Low HazardPoor ConditionEmergency Action Plan: Yes

Location

StateKansas
CountyBourbon
Nearest CityFort Scott
River/StreamCedar Creek
Coordinates37.81812, -94.79365

Physical Characteristics

Dam TypeEarth
NID Height64 ft
Dam Height64 ft
Dam Length1,600 ft
Year Completed2002 (24 years old)

Storage & Hydraulics

NID Storage10,705 acre-ft
Max Storage10,705 acre-ft
Normal Storage4,055 acre-ft
Surface Area222 acres
Drainage Area12 sq mi
Max Discharge5,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMARMATON WJD NO 102
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection07/03/2019
Emergency Action PlanYes

Identifiers

NID IDKS09053
Federal IDKS09053
More InfoState Dam Safety Program

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