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BACKGROUND The Subregional Planning Element is an optional element in the General Plan and is not required by state law. The objective of the Subregional Planning Element is to facilitate Pleasanton's involvement in the cooperative planning of the Tri-Valley area. The Pleasanton General Plan included this element for the first time in 1996 and it addresses topics related to the Tri-Valley subregion including housing, transportation, water supply, wastewater, hydrology and water quality, open space and recreation, agriculture, visual resources, air quality, economic development, and fiscal revenues. The Draft Subregional Element attached to this Agenda Report does not include background material or policies related to transportation. These sections will be updated after additional City Council review and comment on the Draft Circulation Element. Attachments 1 and 2 provide clean and marked-up copies (respectively) of the Draft Element DISCUSSION Changes from the original 1996 General Plan background text of the Draft Subregional Planning Element include: • General editing, updating, and reorganizing of background material from the 1996 General Plan. • In the Planning Context section, clarifying the Tri-Valley subregion and updating the history of this element. • In the San Francisco Bay Area Region section, updating the size of the developed area of the region as well as the population. The Element also updates the discussion of regional agencies and goals. • In the Subregion Description section, updating the household and employment numbers. • In the Housing Section, updating housing supply and vacancy rates, as well as additional information on Pleasanton's collaborative efforts with the Tri-Valley Housing Committee to increase home ownership in the Tri-Valley, and with other organizations, cities and Alameda County to address housing issues • As discussed above, the Transportation section will be updated pending additional discussion with the City Council on traffic issues. • In the Airport section, updating the aircraft operation numbers and referencing negotiations for new airport noise monitoring. • In the Water Supply section, adding new information about water supply and updating constraints. • In the Wastewater Treatment and Disposal section clarifying and updating the discussion of regional wastewater treatment and export, including information on pipeline expansion. • In the Hydrology and Water Quality section, clarifying operation of the Alameda Creek watershed, as well as the human-made nature of Tri-Valley lakes. This Element also discusses the Chain of Lakes and Zone 7's plans to use them for flood control, sediment diversion, erosion reduction, and recreation. • In the Solid Waste section, adding information about the solid waste management in Alameda County and referencing the Alameda County Integrated Waste Management Plan. Page 2 of 4