Thomas Bros Lake Dam
Thomas Bros Lake Dam is an earth dam located in Randolph County, Missouri, built in 1942. It carries a High hazard potential classification.
About Thomas Bros Lake Dam
Thomas Bros Lake Dam is a dam in Randolph, Missouri. The dam is owned by Thomas Bros (private). It impounds the Tr-e Fk Chariton Riv near Forest Green.
The dam stands 25 feet tall, creates a reservoir covering 14 acres, has a maximum storage capacity of 187 acre-feet, and collects water from a drainage area of 220 square miles. Completed in 1942, 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.
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 | Randolph |
| Nearest City | Forest Green |
| River/Stream | Tr-e Fk Chariton Riv |
| Coordinates | 39.54222, -92.55488 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 187 acre-ft |
| Max Storage | 187 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 220 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | THOMAS BROS |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10639 |
| Federal ID | MO10639 |
| More Info | State Dam Safety Program |