John C. Hill Lake Dam
John C. Hill Lake Dam is an earth dam located in Gasconade County, Missouri, built in 2005. It carries a High hazard potential classification and has a satisfactory condition assessment.
About John C. Hill Lake Dam
John C. Hill Lake Dam is a dam in Gasconade, Missouri. The dam is private-owned. It impounds the Little Berger Creek near Hermann.
The dam stands 52 feet tall and stretches 885 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 523 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, the structure is relatively new.
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 11/19/2020.
At 52 feet, this dam is taller than 93% 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 | Gasconade |
| Nearest City | Hermann |
| River/Stream | Little Berger Creek |
| Coordinates | 38.61156, -91.44183 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 52 ft |
| Dam Height | 52 ft |
| Dam Length | 885 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 523 acre-ft |
| Max Storage | 523 acre-ft |
| Normal Storage | 365 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 191 cfs |
Ownership & Safety
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/19/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO40128 |
| Federal ID | MO40128 |
| More Info | State Dam Safety Program |