Hamilton City Water Plant Dam
Hamilton City Water Plant Dam is an earth dam located in Caldwell County, Missouri, built in 1954. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Hamilton City Water Plant Dam
The primary purpose of Hamilton City Water Plant Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Hamilton (local government). It impounds the Tom Creek near Hamilton.
The dam stands 40 feet tall and stretches 1,300 feet across, creates a reservoir covering 76 acres, has a maximum storage capacity of 1,013 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1954, 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 03/29/2022.
At 40 feet, this dam is taller than 87% 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 | Caldwell |
| Nearest City | Hamilton |
| River/Stream | Tom Creek |
| Coordinates | 39.74303, -94.03453 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 1,013 acre-ft |
| Max Storage | 1,013 acre-ft |
| Normal Storage | 999 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,286 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF HAMILTON |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/29/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO10261 |
| Federal ID | MO10261 |
| More Info | State Dam Safety Program |