White Oak Lake Reservoir Report

Last Updated: December 8, 2025

White Oak Lake, located in Knox, Missouri, is a privately owned earth dam built for grade stabilization purposes on the South Fabius River.


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Summary

Completed in 1998, this dam stands at 26.4 feet in height and has a maximum storage capacity of 30 acre-feet. With a surface area of 12 acres and a drainage area of 270 acres, White Oak Lake plays a crucial role in managing water flow and preventing erosion in the surrounding area.

Despite its low hazard potential, White Oak Lake is considered to have a moderate risk level, with a risk assessment rating of 3. While the dam is not currently rated for its condition, it serves as an important structure for maintaining water quality and preventing flooding. The dam features an uncontrolled spillway with a width of 10 feet and has no outlet gates. With its strategic location and design, White Oak Lake is a key asset for water resource and climate enthusiasts interested in sustainable water management practices in Missouri.

Overall, White Oak Lake offers a glimpse into the innovative engineering solutions implemented for water resource management in the region. Its role in grade stabilization, storage capacity, and risk management make it a valuable asset for the community and the environment. As climate change continues to impact water resources, structures like White Oak Lake will play a crucial role in ensuring water security and resilience for the future.

Year Completed

1998

Dam Length

285

Dam Height

26.4

River Or Stream

SOUTH FABIUS

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

22

Drainage Area

270

Nid Storage

30

Structural Height

26

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

26
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.