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• BACKGROUND The RWP was initially proposed within the City of Pleasanton Recycled Water Feasibility Study, adopted by City Council November 2013. Upon adoption City Council directed staff to initiate the environmental review process necessary to further the RWP. In February 2014, Council approved the Agreement with SMB Environmental, Inc. for CEQA and NEPA environmental consulting services. Following all regulatory requirements, the resulting IS/MND (adopted September 16, 2014) found construction of the RWP could have a significant effect on the environment, however, there will not be a significant effect because of the subsequent mitigation measures the City has agreed to follow, as documented in the Mitigated Negative Declaration. Following this adoption the document was filed with the City Clerk Office of the State Clearinghouse as required by CEQA Guidelines. Initiation of the engineering and design of the RWP infrastructure was authorized September 2, 2014, and has subsequently been completed by late December 2014. Staff has reviewed and agreed with the engineering and design related recommendations to the RWP design which lead to some modifications to the initial proposed pipeline alignment. Such changes contributed favorability to the design in a variety of ways, such as cost savings, reduced traffic/transportation disruptions during construction, and to coincide with design efficiencies. The proposed alignment changes would result in an overall addition of 720 feet (0.1 miles) of new pipeline, and in repurposing an additional 9,850 feet (1.9 miles) of existing pipelines, resulting in approximately 10,570 feet (2.0 miles) of new and repurposed pipeline. Attachment 1 shows those changes graphically on the project map. In accordance with State CEQA Guidelines, these changes will not result in new significant impacts, substantially increase the severity of the previously disclosed impacts or involve any other conditions related to changed circumstances or new information that would require a subsequent or supplemental EIR under Public Resources Code section 2166 and CEQA Guidelines section 15162, beyond those impacts and conditions already identified in the adopted IS/MND. DISCUSSION The purpose of the proposed RWP is to construct and operate a new recycled water system to reduce the City's water demand and dependency upon the potable water system and support the health of landscapes along the recycled water distribution area. Staff has carefully reviewed and considered the various implications the design of the system infrastructure will have both short and long term to ensure the construction of the pipeline will be efficient and cause minimal disruption to the community. This Addendum to the IS/MND addresses the pipeline changes considered necessary to increase design efficiencies, without producing environmental impacts not already identified in the adopted document. Page 2 of 3