Mississippi Lime Upper Dam
Mississippi Lime Upper Dam is an earth dam located in Ste. Genevieve County, Missouri, built in 1992. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Mississippi Lime Upper Dam
Mississippi Lime Upper Dam is a dam in Ste. Genevieve, Missouri. The dam is owned by Mississippi Lime Company (private).
The dam stands 81 feet tall and stretches 2,700 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 850 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1992, the structure is 34 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 11/16/2021.
At 81 feet, this dam is taller than 97% 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 | Ste. Genevieve |
| Coordinates | 37.96753, -90.06929 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 81 ft |
| Dam Height | 81 ft |
| Dam Length | 2,700 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 850 acre-ft |
| Max Storage | 850 acre-ft |
| Normal Storage | 850 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 479 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | MISSISSIPPI LIME COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/16/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO31955 |
| Federal ID | MO31955 |
| More Info | State Dam Safety Program |