Bill Dawson Irr. Res. Reservoir Report
Last Updated: December 18, 2025
Bill Dawson Irr.
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Summary
Res. in Missouri is a private fish and wildlife pond completed in 1975, with a primary purpose of providing habitat for aquatic life. The dam, standing at a height of 21 feet and a length of 1156 feet, has a storage capacity of 325 acre-feet and covers a surface area of 2.7 acres. Located in Monroe County, the reservoir is fed by the TR-LONG BRANCH stream and serves multiple purposes including irrigation, fire protection, and grade stabilization.
Despite being deemed low-hazard, with a moderate risk assessment, the dam has not been inspected since 1979 and its condition remains unrated. The spillway, categorized as uncontrolled, has a width of 14 feet. While there are no associated structures or outlet gates, the reservoir provides vital support for local wildlife and water resources management. With a drainage area of 19.2 square miles, Bill Dawson Irr. Res. plays a crucial role in maintaining the ecological balance in the region and supporting sustainable water use practices.
Year Completed |
1975 |
Dam Length |
1156 |
Dam Height |
21 |
River Or Stream |
TR-LONG BRANCH |
Primary Dam Type |
Earth |
Surface Area |
2.7 |
Hydraulic Height |
21 |
Drainage Area |
19.2 |
Nid Storage |
325 |
Structural Height |
21 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Bill Dawson Irr. Res.