Edaleen Dairy Waste Storage Pond No. 2

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Edaleen Dairy Waste Storage Pond No. 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.