Pleasanton Lake

Pleasanton Lake is an earth dam located in Linn County, Kansas, built in 1935. It carries a High hazard potential classification and has a fair condition assessment.

Hazard potentialHighFailure would probably cost lives
ConditionFair2nd of 4 ratings
Emergency action planOn file
Last inspection04/21/2022
Height29 ft
Built193591 years ago

Dam profile

NID height · 29 ft
29 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

29 ft tall and 2,900 ft long, taller than 65% 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 Pleasanton Lake

The primary purpose of Pleasanton Lake is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Pleasanton, City of (local government). It impounds the Muddy Creek near Pleasanton.

The dam stands 29 feet tall and stretches 2,900 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 394 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.

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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/21/2022.

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
CountyLinn
Nearest CityPleasanton
River/StreamMuddy Creek
Coordinates38.17377, -94.72665

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height23 ft
Dam Length2,900 ft
Year Completed1935 (91 years old)

Storage & Hydraulics

NID Storage394 acre-ft
Max Storage394 acre-ft
Normal Storage208 acre-ft
Surface Area26 acres
Drainage Area0 sq mi
Max Discharge1,230 cfs

Ownership & Safety

PurposeWater Supply
OwnerPleasanton, City of
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/21/2022
Emergency Action PlanYes

Identifiers

NID IDKS02498
Federal IDKS02498
More InfoState Dam Safety Program