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MHMP(Policies 43.3(a--b)governing the"eastern edge"of the MHMP),commercial uses are proposed under the College Park project along the west side of Mountain House Parkway rather than sensitive uses.Residential uses would be developed consistent with the Agricultural Commissioner's recommended 200-to 400-foot setback(the closest project residences would be approximately 650 feet from the eastern fields and buffered from these fields by Mountain House Parkway and the proposed intervening commercial uses).Existing regulations are also in place to avoid conflicts with existing agricultural operations, including Policies 4.3.3(a—b),which require the development of landscape buffers(trees)and a 32-foot building setback along Mountain House Parkway,and the regulations discussed in the previous paragraph.Based on the above,the project would not conflict with the existing off-site agricultural operations to the east.A less-than-significant impact would occur. The existing agricultural operations to the west, in Alameda County, are passive,in that grazing is the primary agricultural activity rather than the growing and harvesting of irrigated feed or food crops.Aerial spraying may — occur in these western fields on a limited basis. An urban use(i.e.,Delta College)is proposed approximately 100 feet from the eastern edge of the grazing fields, whereas residential development is proposed approximately 300 feet east of these fields.This is consistent with the San Joaquin County Agricultural Commissioner's _ recommendations of a minimum 100-foot setback from urban uses and 200-to 400-foot setback for residential uses. Regulations are in place to avoid conflicts with existing agricultural uses along the western edge.MHMP Policies 4.3.23(a,b,d,k and j) governing the"western edge"of the MHMP require that edge treatments along the west edge be designed to mitigate impacts from aerial spraying;uses directly adjacent to the fields be limited to walls, fences, earthen berms,bike lanes,pedestrian paths,landscaping, streets,utility easements,parking, storage yards, and private yards;and that a minimum 100-foot residential building setback be provided along the western edge, including along the Delta—Mendota Canal. Other regulations are discussed in the previous paragraphs. The Delta College EIR(2002)also identifies mitigation measures to ensure that development of the college would not conflict with westerly agricultural practices,as demonstrated by Mitigation Measure 4.1-1,which requires fencing and landscaping between the college and agricultural land.Based on the above,the project would not conflict with the existing off-site agricultural operations to the west.A less-than-significant impact would occur. Project development could potentially conflict with existing adjacent on-site agricultural operations until such time as these agricultural operations have been phased out. Residential uses could potentially be developed directly adjacent to existing on-site agricultural operations and would be inconsistent with San Joaquin County Agricultural Commission's setback recommendations.However, any such conditions would be temporary, lasting _ only until the existing agricultural operations are replaced by the urban uses authorized through Specific Plan H. In addition,the large parcels on the project site are owned or controlled by the developers who are among the applicants for the College Park project(i.e., GNK, LLC,InvestWest Matthews Land,Inc., SJCCCD).Therefore, no large parcels where aerial spraying and large-scale plowing and harvesting currently takes place would exist after the preliminary phases of the project. In addition,all the existing regulations discussed previously, with the exception of the edge-treatment requirements,would apply. Based on the above,the project would not conflict with the existing on-site agricultural operations over the long term. A less-than-significant impact would occur. — MHMP Policy 3.2.4(1)requires development near and adjacent to existing agricultural operations to ensure protection of agricultural water supplies.The project is bisected by two BBID irrigation canals that provide water to on-site agriculture, as well as agriculture downstream of the project site(southeast of the project site). These irrigation canals would be filled in under the proposed project. Without converting these canals to underground pipes,or finding some other solution for providing irrigation water to the downstream agriculture dependent on _ these canals for water,a significant impact would occur. Mitigation Measure 42-5: Land Use and Agricultum—Conflicts with Adjacent Agricultural Operations. Before development,the project developers shall provide for the continued provision of irrigation water to downstream agriculture reliant on the water from the canals by the installation of pipelines and other means. The filling of the irrigation canals shall be approved by BBID. EDAW College Park at Mountain House Specitic Plan III Draft EIR Land Use and Agriculture 4.2-20 San Joaquin County