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UC DAVIS: Office of Resource Management and Planning May 28, 2004 DEANS, DIRECTORS, DEPARTMENT CHAIRS, AND CAMPUS ADMINISTRATIVE OFFICERS RE: Campus Wastewater Treatment Plant Expansion Tiered Initial Study The campus proposes to expand specific modular components of the campus’ wastewater treatment plant (WWTP) to meet campus demands for treatment capacity anticipated through 2013. The current WWTP is designed to treat an average daily flow of 2.5 million gallons per day (mgd), and the expansion would allow for an average treatment of 3.6 mgd. The expansion would also improve treatment reliability and the plant’s ability to meet current and anticipated future effluent regulatory requirements. Most construction activities associated with the proposed project would occur within the boundaries of the existing WWTP site, which is located in the south campus, south of the Union Pacific Railroad’s right of way, east of Old Davis Road, and approximately ¼ mile north of the South Fork of Putah Creek. In addition, the project would make interior upgrades to increase the capacity of the central campus influent pump station, which is located within a developed area south of La Rue Road and north of the Arboretum Waterway. The project would allow for an increase in the volume of treated effluent discharged to the South Fork of Putah Creek, but it would not establish a new discharge site or degrade the current quality of water discharged. I am writing to inform you that a Tiered Initial Study has been prepared that analyzes the potential environmental effects of the proposed project. The Initial Study identifies that a Focused Tiered Environmental Impact Report (EIR) will be prepared for the proposed project to evaluate the following potential impact areas: increased emissions of criteria pollutants associated with operation of the expanded WWTP; impacts on special status species and their habitats associated with construction activities and increased discharge of treated effluent; water quality impacts on surface water and groundwater resources associated with operation of the expanded WWTP; hydrologic impacts (such as erosion and flooding) associated with increased discharge of treated effluent; and potential exceedences of regulatory requirements associated with discharge of treated effluent. You are invited to comment on the scope of the project’s Focused Tiered EIR through June 28, 2004. Copies of the Tiered Initial Study are available during normal operating hours at the UC Davis Office of Resource Management and Planning in 376 Mrak Hall on campus; at Reserves in the UC Davis Shields Library; at the Yolo County Public Library, 315 E. 14th Street, Davis; at the Vacaville Public Library, 1020 Ulatis Drive, Vacaville; and online at http://www.ormp.ucdavis.edu/environreview/. Comments must be received by 5:00 p.m. on June 28, 2004 and can be e-mailed to environreview@ucdavis.edu or sent to: John A. Meyer Vice Chancellor - Resource Management and Planning University of California One Shields Avenue 376 Mrak Hall Davis, CA 95616 You are also invited to attend an open house-style public scoping meeting for this project. The meeting will be held on June 17, 2004 from 6 to 8 PM at the University Club’s Main Conference Room. If you have any questions, please contact UC Davis Director of Environmental Planning Sid England at (530) 752-2432. Sincerely, John A. Meyer Vice Chancellor - Resource Management and Planning 04-053
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