Edaleen Dairy Waste Storage Pond No. 2 Reservoir Report
Last Updated: December 15, 2025
Edaleen Dairy Waste Storage Pond No.
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Summary
2, also known as Brandsma Dairy Lagoon Dam, is a privately owned structure located in Lyndon, Washington. This offstream pond, built in 1989, serves as a storage facility for dairy waste with a primary purpose of "Other". The dam is an Earth type, with a stone core and soil foundation, standing at a hydraulic height of 14.25 feet and a structural height of 6.45 feet.
With a maximum storage capacity of 19 acre-feet and a normal storage level of 18.5 acre-feet, this dam covers a surface area of 2.8 acres and is associated with a drainage area of 0.01 square miles. The last inspection in July 2019 rated the condition of the structure as "Fair" with a high hazard potential. Despite being state regulated, with permits, inspections, and enforcement in place by the Washington Dept of Ecology, there are no specific emergency action plans prepared or updated for this site.
Water resource and climate enthusiasts will find Edaleen Dairy Waste Storage Pond No. 2 an interesting case study due to its unique purpose, location, and structural design. The high hazard potential and fair condition assessment highlight the importance of ongoing monitoring and maintenance to ensure the safety and integrity of this waste storage facility. Further research into the risk assessment, emergency preparedness, and potential environmental impacts of this structure could provide valuable insights for sustainable water management practices in similar agricultural settings.
Year Completed |
1989 |
Dam Length |
1440 |
River Or Stream |
Offstream - Nooksack R |
Primary Dam Type |
Earth |
Surface Area |
2.8 |
Hydraulic Height |
14.25 |
Drainage Area |
0.01 |
Nid Storage |
19 |
Structural Height |
6.45 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
14 |
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.
Edaleen Dairy Waste Storage Pond No. 2
Guide Meridian Road Whatcom County