Frd No 7

Frd No 7 is an earth dam located in Atchison County, Kansas, built in 1963. It carries a High hazard potential classification and has a satisfactory condition assessment.

Hazard potentialHighFailure would probably cost lives
ConditionSatisfactoryBest of 4 ratings
Emergency action planOn file
Last inspection02/13/2023
Height58 ft
Built196363 years ago

Dam profile

NID height · 58 ft
58 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

58 ft tall and 1,120 ft long, taller than 95% 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 Frd No 7

The primary purpose of Frd No 7 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 Atchison, City of (local government). It impounds the White Clay Creek-tr near Atchison.

The dam stands 58 feet tall and stretches 1,120 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 975 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/13/2023.

At 58 feet, this dam is taller than 95% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Kansas dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateKansas
CountyAtchison
Nearest CityAtchison
River/StreamWhite Clay Creek-tr
Coordinates39.56452, -95.14853

Physical Characteristics

Dam TypeEarth
NID Height58 ft
Dam Height52 ft
Dam Length1,120 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage975 acre-ft
Max Storage975 acre-ft
Normal Storage206 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Max Discharge2,378 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerAtchison, City of
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection02/13/2023
Emergency Action PlanYes

Identifiers

NID IDKS02433
Federal IDKS02433
More InfoState Dam Safety Program