Weber Dam
Weber Dam is an earth dam located in St. Charles County, Missouri, built in 2002. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Weber Dam
Weber Dam is a dam in St. Charles, Missouri. The dam is owned by New Frontier Materials Operations Alpha Llc (private). It impounds the Unnamed Trib To Callaway Fork near New Melle.
The dam stands 72 feet tall and stretches 710 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 1,140 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2002, 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 03/31/2021.
At 72 feet, this dam is taller than 96% of all dams in the United States.
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 | St. Charles |
| Nearest City | New Melle |
| River/Stream | Unnamed Trib To Callaway Fork |
| Coordinates | 38.68960, -90.90194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 72 ft |
| Dam Height | 72 ft |
| Dam Length | 710 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 1,140 acre-ft |
| Max Storage | 1,140 acre-ft |
| Normal Storage | 915 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 109 cfs |
Ownership & Safety
| Owner | NEW FRONTIER MATERIALS OPERATIONS ALPHA LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/31/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO40117 |
| Federal ID | MO40117 |
| More Info | State Dam Safety Program |