Maher Lake Dam Reservoir Report
Last Updated: December 18, 2025
Maher Lake Dam, located in Sullivan, Missouri, was completed in 1975 and serves primarily for Flood Risk Reduction.
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Summary
This private-owned Earth dam stands at a height of 30 feet and has a storage capacity of 48 acre-feet. With a normal storage capacity of 25 acre-feet, Maher Lake Dam covers a surface area of 3 acres and drains from a 29-square mile watershed. This low-hazard dam on TR Paw Paw Creek is not regulated by the state and has not been rated for its condition.
Despite its low hazard potential, Maher Lake Dam plays a crucial role in protecting the surrounding area from flooding and ensuring the safety of the community. While the dam has not undergone recent inspections or assessments, its construction and purpose highlight the importance of maintaining proper infrastructure to mitigate climate-related risks. For water resource and climate enthusiasts, Maher Lake Dam represents a significant landmark in flood risk management and underscores the need for ongoing monitoring and maintenance to ensure its effectiveness in safeguarding the environment and local residents.
Year Completed |
1975 |
Dam Height |
30 |
River Or Stream |
TR PAW PAW CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Drainage Area |
29 |
Nid Storage |
48 |
Structural Height |
30 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Locust Creek Near Linneus
|
31cfs |
Medicine Creek Near Laredo
|
18cfs |
Chariton River At Novinger
|
73cfs |
Thompson River At Trenton
|
152cfs |
Long Branch Creek Near Atlanta
|
0cfs |
Grand River Near Sumner
|
223cfs |
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.
Maher Lake Dam