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damage roads meant for local vehicular traffic. We request the US Bureau of Reclamation (USBR) perform nondestructive testing such as falling weight deflectometer (FWD) tests to verify local conditions of every county road that may be used for construction purposes. We also request the USBR mitigate proposed construction traffic on county roads by overlaying with hot -mix asphalt as determined though analysis based upon the FWD testing. We plan to monitor the pavements conditions throughout the life of the projects to verify the mitigation wears appropriately. f. The DEIS clearly describes potential impacts to groundwater wells due to the operation of the KDRPP. In particular, the DEIS describes 46 wells with depths less than 100 feet within 2 miles of Kachess Reservoir located in sedimentary deposits. We believe such wells have a high likelihood of impact during the proposed increased drawdown during drought years. With that stated, the mitigation described in Section 4.5.9 may not be adequate. We recommend the project take a more proactive approach in determining likely impacted groundwater wells and implementing preventive mitigation prior to project operation. The mitigation may be as simple as working with willing private landowners to provide funding to increase the depth of likely impacted wells as part of the overall project. Thank you again for the opportunity to provide comments on the DEIS for the projects mentioned above. We hope you find our comments helpful and we look forward to working collaboratively to achieve the goals of the projects and the overall YBIP. Please feel free to contact us if you have any questions. Respectfully Submitted, Gary Aerndt Obie O'Brien Paul Jewell Cliairman Vice -Chairman Commissioner KITTITAS COUNTY COURTHOUSE • 205 WEST 5n', RM 110 • ELLENSBURG, WA 98926 (509) 962-7508 • FAX (509) 962-7679