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.
Dam profile
NID height · 43 ft43 ft tall and 1,360 ft long, taller than 89% 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 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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Location
| State | Kansas |
| County | Osage |
| Nearest City | Lyndon |
| River/Stream | Salt Creek |
| Coordinates | 38.58826, -95.68505 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 1,360 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 1,354 acre-ft |
| Max Storage | 1,354 acre-ft |
| Normal Storage | 948 acre-ft |
| Surface Area | 79 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,388 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | L Lucas Boss;lindsay Conklin;sunshine Enterprises LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 03/26/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS02520 |
| Federal ID | KS02520 |
| More Info | State Dam Safety Program |