Wastewater Lagoon Reservoir Report
Last Updated: December 12, 2025
The Wastewater Lagoon in Washington, Kansas, is a privately owned facility that plays a crucial role in managing wastewater in the area.
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Summary
Built in 1992, this Earth dam structure stands at a height of 36 feet and has a storage capacity of 206 acre-feet. The lagoon covers a surface area of 3.5 acres and is designed to handle a maximum discharge of 210 cubic feet per second.
Located along Riddle Creek-TR, the Wastewater Lagoon is regulated by the Kansas Department of Agriculture and undergoes regular inspections to ensure compliance with state regulations. With a low hazard potential and a condition assessment of "Not Rated," the facility operates efficiently to meet its primary purpose of managing wastewater. Despite its limited drainage area of 0.03 square miles, the lagoon serves its community effectively while maintaining a focus on environmental protection and sustainability.
As a vital component of the local water resource infrastructure, the Wastewater Lagoon in Washington contributes to the overall management of water resources in the region. With its Earth dam design and buttress core type, the facility stands as a testament to effective engineering solutions in wastewater treatment. Its presence ensures the safe disposal of wastewater while minimizing the impact on surrounding water bodies and ecosystems, highlighting the importance of sustainable water management practices in the face of climate change challenges.
Year Completed |
1992 |
Dam Length |
950 |
Dam Height |
36 |
River Or Stream |
RIDDLE CREEK-TR |
Primary Dam Type |
Earth |
Surface Area |
3.5 |
Drainage Area |
0.03 |
Nid Storage |
206 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
36 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Mill C At Washington
|
8cfs |
Little Blue R At Hollenberg
|
70cfs |
L Blue R Nr Barnes
|
101cfs |
Little Blue River Near Fairbury
|
230cfs |
Big Blue R At Marysville
|
166cfs |
Big Blue R At Barneston Nebr
|
131cfs |
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.
Wastewater Lagoon