Bair Reservoir Report

Last Updated: December 17, 2025

Bair, Jim Dam is a privately-owned earth dam located in St.


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Summary

Charles, Missouri, along the Sehrt Creek. Built in 1972, the dam serves primarily for recreational purposes, with a storage capacity of 400 acre-feet. With a height of 22 feet, the dam poses a high hazard potential and has not been rated for its condition since its last inspection in 1978.

Despite being privately owned, Bair, Jim Dam falls under the jurisdiction of the state of Missouri and is not regulated or inspected by state agencies. The dam has no associated structures or spillways, but it does have a surface area of 34 acres and drains an area of 89 acres. The dam's location within the Kansas City District suggests it is a significant feature within the region's water resource infrastructure.

Water resource and climate enthusiasts may find Bair, Jim Dam intriguing due to its high hazard potential and lack of recent condition assessments. The dam's history, purpose, and current status present a unique case study for understanding the challenges and risks associated with privately owned dams in Missouri. Further research into the dam's risk management measures, emergency action plans, and potential environmental impacts could provide valuable insights for water resource management and climate resilience efforts in the region.

Year Completed

1972

Dam Height

22

River Or Stream

SEHRT CREEK

Primary Dam Type

Earth

Surface Area

34

Drainage Area

89

Nid Storage

400

Structural Height

22

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

22
       
Seasonal Comparison

Weather Forecast

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.