Sexton Lake Dam
Sexton Lake Dam is an earth dam located in Johnson County, Missouri, built in 1968. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Sexton Lake Dam
The primary purpose of Sexton Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Arnold Barros (private). It impounds the Tr-coperas Creek near Burtville.
The dam stands 48 feet tall and stretches 569 feet across, creates a reservoir covering 39 acres, has a maximum storage capacity of 838 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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 11/06/2019.
At 48 feet, this dam is taller than 92% 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 Missouri 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 | Missouri |
| County | Johnson |
| Nearest City | Burtville |
| River/Stream | Tr-coperas Creek |
| Coordinates | 38.65888, -93.61817 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 569 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 838 acre-ft |
| Max Storage | 838 acre-ft |
| Normal Storage | 838 acre-ft |
| Surface Area | 39 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 82 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ARNOLD BARROS |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/06/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO20033 |
| Federal ID | MO20033 |
| More Info | State Dam Safety Program |