Henry Sever Dam
Henry Sever Dam is an earth dam located in Knox County, Missouri, built in 1961. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Henry Sever Dam
The primary purpose of Henry Sever Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mo Dept Of Conservation (state). It impounds the Meyers Branch near Newark.
The dam stands 41 feet tall and stretches 1,160 feet across, creates a reservoir covering 160 acres, has a maximum storage capacity of 2,265 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1961, 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 41 feet, this dam is taller than 88% 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 | Knox |
| Nearest City | Newark |
| River/Stream | Meyers Branch |
| Coordinates | 40.00546, -91.97600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 1,160 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 2,265 acre-ft |
| Max Storage | 2,265 acre-ft |
| Normal Storage | 2,101 acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 4,634 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MO DEPT OF CONSERVATION |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/06/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO10110 |
| Federal ID | MO10110 |
| More Info | State Dam Safety Program |