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Hacienda Mixed Use Rezoning Initial Study environmental review document subject to the California Environmental ,Quality Act at the time development plans are proposed for the three project sites. Potentially Less Than Less Than No Significant with Significant Mitigation Significant Impact Impact Incorporation Impact 16. Utilities and Service Systems — Would the project: a) Exceed wastewater treatment requirements of the X applicable Regional Water Quality Control Board? b) Require or result in the construction of new water or X wastewater treatment facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? c) Require or result in the construction of new storm water X drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? d) Have sufficient water supplies available to serve the X project from existing entitlements and resources, or are new or expanded entitlements needed? e) Result in a determination by the wastewater treatment X provider which serves or may serve the project that it has adequate capacity to serve the project's projected demand in addition to the provider's existing commitments? f) Be served by a landfill with sufficient permitted capacity X to accommodate the project's solid waste disposal needs? g) Comply with federal, state, and local statutes and X regulations related to solid waste? The City of Pleasanton currently supplies domestic water to Hacienda. The Dublin San Ramon Services District currently treats wastewater from Hacienda at its treatment plant near I -680 and Stoneridge Drive. The Pleasanton Garbage Service provides refuse disposal to the project vicinity through a franchise agreement with the City and transports solid waste to a landfill site on Vasco Road. PG &F provides gas and electrical service to Hacienda. Significance Criteria The impact questions above constitute the significance criteria for this environmental topic. Discussion of Checklist Items Less- than - Significant Impacts. Capacity of the Dublin San -Ramon Sanitary District (DSRSD) treatment plant is 17 million gallons per day (mgd), of which Pleasanton's allotted share is 8.5 mgd. Pleasanton is currently using about 6 mgd of its allocation. Therefore, adequate capacity exists to serve the development accommodated by the proposed zone change. DSRSD has a maximum treatment plant ultimate design capacity of 20.7 mgd, although it has not begun expansion planning for its current sewage treatment plant. Draft, Subject to Revision 26 8/31/2009