Unity #1 Dam
Unity #1 Dam is a buttress dam located in Jackson County, Missouri, built in 1927. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Unity #1 Dam
The primary purpose of Unity #1 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 Unity Sch O Christianity (private). It impounds the Tr-little Cedar Creek near Unity Village.
The dam stands 48 feet tall and stretches 525 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 285 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1927, 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. 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 08/17/2021.
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 | Jackson |
| Nearest City | Unity Village |
| River/Stream | Tr-little Cedar Creek |
| Coordinates | 38.94866, -94.39638 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 525 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 285 acre-ft |
| Max Storage | 285 acre-ft |
| Normal Storage | 218 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | UNITY SCH O CHRISTIANITY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/17/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO20039 |
| Federal ID | MO20039 |
| More Info | State Dam Safety Program |