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BACKGROUND The Dublin San Ramon Services District (District) and the City of Pleasanton (City) entered into the Agreement for Wastewater Disposal Services (Basic Agreement) on November 3, 1992. The Basic Agreement provides for the contractual relationship between the District and the City as it pertains to sewer services provided by the District to the City's sewer customers. Between 1997 and 2015, six supplemental agreements have been entered into, pursuant to the terms of the Basic Agreement. These supplements are mostly related to the integration of supply, operations, and facilities of each agency's recycled water programs and the Clean Water Revival Project. The proposed Seventh Supplemental Agreement addresses the City's current and future use of the District's West Dublin Trunk Sewer Line for wastewater discharge. On June 21, 2022, the District's Board of Directors approved the Seventh Supplemental Agreement. DISCUSSION The District's West Dublin Trunk Sewer Line is shown in the Agreement on Exhibit A. in the sewer line begins in south San Ramon, passes through Dublin in alignment with Village Parkway, crosses Highway 680 and Alamo Creek into Pleasanton, and is joined by the Camp Parks sewer within the District's biosolids disposal site. From there, it continues into the Regional Wastewater Treatment Facility. The West Dublin Trunk Sewer Line was constructed in 1961 with sections rehabilitated in 1991 and 2007, and the remainder rehabilitated in 2017. The West Dublin Trunk Sewer Line provides sewer collection system capacity for the District's Local sewer customers and is funded by the District's Local services charges and capacity fees. Wastewater from the properties along the western and northern section of Johnson Drive and in the Commerce Circle area, all located in the city of Pleasanton, discharges into the City's wastewater collection system (owned and maintained by the City), which then discharges into the West Dublin Trunk Sewer Line (owned and maintained by the District). At this time, neither the City of Pleasanton nor its customers pay the District's local service charges despite benefitting from the use of the District's trunk sewer. The portion of the sewer line owned exclusively by the District as part of the District's Local Wastewater program that is presently being used by the City is approximately 5,400 feet of 42- to 48-inch diameter pipe. This issue was first discussed between the City and the District in 2014, but there was not agreement on how to move forward. . In early 2022, staff from each agency jointly developed a proposed Seventh Supplemental Agreement which reclassifies the portion of the West Dublin Sewer Trunk Line in question from a Local asset to a Regional asset to address the fact that the West Dublin Trunk Sewer Line effectively provides capacity for the mutual benefit of the City of Pleasanton and the District. This transfer would be effectuated by having the District's Regional Wastewater Replacement Fund (Fund 310) that serves both Pleasanton and the District purchase the asset from the Local Wastewater Replacement Fund (Fund 210) that is associated only with the District's wastewater customers. Page 2 of 3