Bowman Lake Dam Reservoir Report
Last Updated: December 5, 2025
Bowman Lake Dam, located in Maries County, Missouri, is a privately owned structure primarily used for recreation purposes.
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Summary
Completed in 1954, this earth dam stands at a height of 23 feet and has a storage capacity of 111 acre-feet, with a normal storage level of 60 acre-feet. The dam overlooks TR to Fly Creek and covers a surface area of 9 acres, serving as a popular spot for water resource and climate enthusiasts.
Despite being privately owned, Bowman Lake Dam has a high hazard potential due to its location and the potential risk it poses to downstream areas. However, the condition of the dam is currently rated as "Not Rated", with the last inspection taking place in January 1981. The dam does not fall under state regulation, permitting, inspection, or enforcement, raising concerns about its overall safety and maintenance.
With no Emergency Action Plan (EAP) in place and limited information on risk assessment and management measures, Bowman Lake Dam represents a potential safety concern for the surrounding area. It is crucial for the owners to prioritize regular inspections, maintenance, and emergency preparedness to ensure the safety of both the dam and the community downstream.
Year Completed |
1954 |
Dam Height |
23 |
River Or Stream |
TR TO FLY CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Drainage Area |
55 |
Nid Storage |
111 |
Structural Height |
23 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Gasconade River Near Rich Fountain
|
1030cfs |
Gasconade River At Jerome
|
944cfs |
Maries River At Westphalia
|
21cfs |
Little Piney Creek At Newburg
|
82cfs |
Bourbeuse River Near High Gate
|
2cfs |
Osage River Below St. Thomas
|
1450cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Bowman Lake Dam