Csr Associated Avenue Retention Dam Reservoir Report
Last Updated: December 15, 2025
Csr Associated Avenue Retention Dam is a vital flood risk reduction infrastructure located in Snohomish, Washington.
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Summary
Designed by Reid Middleton and completed in 2003, this private-owned earth dam stands at a structural height of 30 feet with a hydraulic height of 30 feet, offering protection against potential flooding events along the Tr-Merrill Creek. With a storage capacity of 34 acre-feet, the dam plays a crucial role in managing water resources and mitigating flood hazards in the region.
Managed by the Washington Dept of Ecology, the Csr Associated Avenue Retention Dam has been deemed to have a low hazard potential and is currently rated as "Not Rated" in terms of its condition assessment. With a primary purpose of flood risk reduction, the dam serves as a key component in the overall water resource management strategy for the area. Despite having no associated structures and a limited drainage area, the dam's strategic location and design contribute to its effectiveness in safeguarding the surrounding communities from potential flood incidents.
As an essential piece of infrastructure for water resource and climate enthusiasts, the Csr Associated Avenue Retention Dam stands as a testament to the importance of proactive flood risk reduction measures in safeguarding communities and preserving environmental integrity. With its state-regulated status and adherence to inspection, enforcement, and permitting protocols, the dam represents a model for sustainable water resource management practices in the face of changing climate conditions.
Year Completed |
2003 |
Dam Length |
200 |
River Or Stream |
Tr-Merrill Creek |
Primary Dam Type |
Earth |
Surface Area |
1.27 |
Hydraulic Height |
30 |
Nid Storage |
34 |
Structural Height |
30 |
Hazard Potential |
Low |
Nid Height |
30 |
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.
Csr Associated Avenue Retention Dam
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