2024-11-25-minutes-public-works-and-cds-study-session

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Project Description • Summary Overview: Provide a detailed description of the proposed project, including the project location and the proposed withdrawal amounts. • Water Transfer Working Group Consideration (if needed): Include any additional project details required for review by the Water Transfer Working Group, including any relevant context or specific requirements. The Technical Report is expected to document the following: • Describe the hydrogeologic conceptual model of the proposed project site. This needs to include but not limited to 1) Identify and describe the aquifer properties of the source aquifer. 2) Identify source aquifer boundary conditions. 3) Identify water level trends in the source aquifer. 4) Estimate the water budget for the source aquifer. • Describe the physical and legal availability of water in the proposed project areas. • Impairment Analysis - Identify all senior water rights and yet -to -be -processed senior water right applications within the same source aquifer. Identify and quantify impacts to senior water rights in the source aquifer. • Identify and quantify impacts to surface water bodies and tributaries. The Technical Report must include tables and figures documenting findings and include: • A site map showing the place of use and point(s) of withdrawal for all related water rights, ensuring clarity on project boundaries and infrastructure. • A vicinity map showing the location of all senior water rights and any senior water right applications within the same source aquifer, providing context to their proximity to the proposed project. • A groundwater elevation map showing groundwater elevation contours based on area well reports and published source material. This map should clearly depict all surface water features, as well as assumed groundwater divides, to illustrate the relationship between groundwater and surface water bodies. • A geologic cross section based on available area well reports and published source material, showing the subsurface conditions relevant to the proposed project. Ecolou Technical Assistance, Document Review, and Administrative Work Ecology staff will provide the following technical and administrative assistance, pursuant to this agreement: • Evaluate and provide feedback on the public notice for the proposed project. • Coordinate and consult with relevant tribal governments, as well as the Washington State Department of Fish and Wildlife (WDFW), to ensure compliance with environmental and regulatory requirements. • Participate in consultations with the Water Transfer Working Group, if necessary, to address issues related to the proposed project. • If needed by Ecology, provide preliminary permit to drill and test new wells. • Technical assistance on water resources and water quality -related questions and issues. Washington State Department of Ecology Cost -Reimbursement Agreement (CRA) Page 4 of 16