White Lady Valley Dam
White Lady Valley Dam is an earth dam located in Montgomery County, Missouri. It carries a High hazard potential classification and has a satisfactory condition assessment.
About White Lady Valley Dam
White Lady Valley Dam is a dam in Montgomery, Missouri. The dam is private-owned. It impounds the Unnamed Trib Of Modak Crk near Starkenburg.
The dam stands 42 feet tall and stretches 850 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 328 acre-feet, and collects water from a drainage area of 0 square miles.
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 10/15/2020.
At 42 feet, this dam is taller than 89% 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 | Montgomery |
| Nearest City | Starkenburg |
| River/Stream | Unnamed Trib Of Modak Crk |
| Coordinates | 38.73663, -91.54736 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 850 ft |
Storage & Hydraulics
| NID Storage | 328 acre-ft |
| Max Storage | 328 acre-ft |
| Normal Storage | 227 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 76 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/15/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO40168 |
| Federal ID | MO40168 |
| More Info | State Dam Safety Program |