Landen Farm Lake Dam is an earth dam located in Warren County, Ohio, built in 1975. It carries a High hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 524 ft long, taller than 86% 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 Landen Farm Lake Dam
The primary purpose of Landen Farm Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Landen Farm Comm. Services Assn. Inc (private). It impounds the Simpson Creek near Foster.
The dam stands 40 feet tall and stretches 524 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 1,400 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1975, 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 05/08/2024.
At 40 feet, this dam is taller than 86% of dams nationwide.
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 Ohio 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
| State | Ohio |
| County | Warren |
| Nearest City | Foster |
| River/Stream | Simpson Creek |
| Coordinates | 39.32083, -84.27278 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 524 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 1,400 acre-ft |
| Max Storage | 1,400 acre-ft |
| Normal Storage | 538 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 15,300 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Landen Farm Comm. Services Assn. Inc |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/08/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00540 |
| Federal ID | OH00540 |
| More Info | State Dam Safety Program |