Lyndon Lake Dam

Lyndon Lake Dam is an earth dam located in Osage County, Kansas, built in 1966. It carries a Significant hazard potential classification and has a fair condition assessment.

About Lyndon Lake Dam

The primary purpose of Lyndon Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by L Lucas Boss;lindsay Conklin;sunshine Enterprises Llc (private). It impounds the Salt Creek near Lyndon.

The dam stands 43 feet tall and stretches 1,360 feet across, creates a reservoir covering 79 acres, has a maximum storage capacity of 1,354 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 03/26/2020.

At 43 feet, this dam is taller than 89% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateKansas
CountyOsage
Nearest CityLyndon
River/StreamSalt Creek
Coordinates38.58826, -95.68505

Physical Characteristics

Dam TypeEarth
NID Height43 ft
Dam Height43 ft
Dam Length1,360 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage1,354 acre-ft
Max Storage1,354 acre-ft
Normal Storage948 acre-ft
Surface Area79 acres
Drainage Area1 sq mi
Max Discharge6,388 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerL LUCAS BOSS;LINDSAY CONKLIN;SUNSHINE ENTERPRISES LLC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection03/26/2020
Emergency Action PlanYes

Identifiers

NID IDKS02520
Federal IDKS02520
More InfoState Dam Safety Program

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