Ewing Lake Dam
Ewing Lake Dam is an earth dam located in Lewis County, Missouri, built in 1967. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Ewing Lake Dam
The primary purpose of Ewing Lake 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 private-owned. It impounds the Tr-middle Fabius River near Taylor.
The dam stands 39 feet tall and stretches 595 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 881 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, 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 04/06/2021.
At 39 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 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 | Lewis |
| Nearest City | Taylor |
| River/Stream | Tr-middle Fabius River |
| Coordinates | 40.02040, -91.71645 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 595 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 881 acre-ft |
| Max Storage | 881 acre-ft |
| Normal Storage | 528 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,649 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/06/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO10218 |
| Federal ID | MO10218 |
| More Info | State Dam Safety Program |