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r) n toward the provision of wastewater collection and treatment facilities as provided for in the City's wastewater collection and treatment master plans. Growth and development in Stockton as provided for by the City's General Plan will increase the amount of solid waste generated to such an extent that the City's Austin Road Landfill will need to be expanded or a new landfill site established. This impact is considered significant (Michael Paoli and Associates 1989b). To reduce this impact to a less-than-significant level, the City adopted a General Plan policy that supports the City's intent to provide additional landfill capacity to serve the remainder of the General Plan planning period to the year 2010. The City also adopted a measure that calls for the collection of user fees and the use of other funding sources for the purpose of funding the acquisition of land for the expansion of the Austin Road Landfill, in accordance with the City's fee schedule. Solid waste from the proposed project will be taken to County landfills and not to the Austin Road Landfill. sThe City has contracted with the airport to handle up to 1.3 million gpd of effluent generated at the airport and to provide up to 1.4 million gpd of water. Development of an additional 40 acres on the airport property under cumulative conditions would incrementally contribute to the cumulative water and wastewater impacts identified above. The airport property is expected to generate a demand for 993,600 gpd of water and to generate 983,600 gpd of wastewater under cumulative conditions (Reinard Brandley, Consulting Airport Engineer 1997). Therefore, the cumulative demand for water service and wastewater treatment at the airport can be met. Several potential locations exist for additional water hookups to the airport. Twelve-inch diameter lines are located at Qantas Lane, Giannecchini Lane, Pock Lane, Alitalia Avenue, and Airport Way. Wastewater is handled by a 21-inch diameter line that crosses the middle of the airport north of the runway. This line ties into an existing 35-inch diameter line located along Alitalia Avenue between Airport Way and Pock Lane. Specific hookup locations and line capacities for water and wastewater services,which will be needed as the project site is developed, have not been identified. Under the agreement with the City, the City would be required to expand the water distribution and wastewater collection facilities to provide the water and wastewater capacities identified above. The proposed project is expected to generate 53.30 tpd of solid waste with cumulative development. Solid waste generated at the airport will be disposed of at County landfills, and therefore, will not affect capacity at the City's Austin Road landfill. The County landfills have adequate capacity to accommodate cumulative development at the airport. Cultural Resources Cumulative development in future growth areas could result in the disturbance of undiscovered cultural resources as a result of construction activities. This impact is considered to be significant (Michael Paoli and Associates 1989b). To mitigate this impact to a less-than- significant level, the City has adopted measures requiring that surface investigation of cultural Stockton Metropolitan Rirport,VasrerPlan Chapter 13. Cumulative Impacts Draft Environmental Impact Report 13-6 March 20. 1998 �t.