162 Reservoir Report
Last Updated: December 5, 2025
The dam known as 162, located in Alma, Kansas, is a key structure designed for flood risk reduction along the Mill Creek-TR river.
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Summary
Completed in 2006 by King Engineering, this earth dam stands at a height of 45 feet with a hydraulic height of 42 feet and a structural height of 48 feet. With a storage capacity of 135 acre-feet and a normal storage of 14.4 acre-feet, the dam covers a surface area of 1.99 acres.
Managed by the local government, the dam is regulated by the Kansas Department of Agriculture and undergoes regular inspections and enforcement to ensure its functionality and safety. Despite its low hazard potential and moderate risk assessment, the dam has not been rated for its condition. With a spillway width of 40 feet and a maximum discharge of 1076 cubic feet per second, the dam serves as an important debris control and flood risk mitigation asset for the region.
Overall, 162 plays a crucial role in protecting the Wabaunsee County area from potential flooding events. Its strategic location and design serve as a testament to the efforts of local authorities in safeguarding water resources and climate resilience in the region. With continued monitoring and maintenance, this dam will continue to contribute to the overall safety and well-being of the community and surrounding areas.
Year Completed |
2006 |
Dam Length |
515 |
Dam Height |
45 |
River Or Stream |
MILL CREEK-TR |
Primary Dam Type |
Earth |
Surface Area |
1.99 |
Hydraulic Height |
42 |
Nid Storage |
135 |
Structural Height |
48 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
48 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Mill C Nr Paxico
|
47cfs |
Kansas R At Wamego
|
1380cfs |
Kings C Nr Manhattan
|
0cfs |
Kansas R Nr Belvue
|
1330cfs |
Rock C Nr Louisville
|
16cfs |
Big Blue R Nr Manhattan
|
392cfs |
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.
162