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MOUNTAIN HOUSE PROPOSED ALTAMONT HEIGHTS TENTATIVE MAP 4. ENVIRONMENTAL CHECKLIST <br /> 4.2 AGRICULTURAL RESOURCES <br /> Less Than <br /> Potential SPIIIEIR Significant <br /> 13 Significant Requires Impact Due New New <br /> Impact Additional to Mitigation Additional Additional <br /> Less Than Adequately Review:No Measures in Impact Not Mitigation <br /> Significant Addressed in Significant Project Addressed In Measures <br /> FJ Issue or No Impact SPIIIEIR Impact Description SPIIIEIR Required <br /> 2. AGRICULTURAL RESOURCES. <br /> In determining whether impacts to <br /> [--y agricultural resources are significant <br /> I environmental effects,lead agencies may <br /> refer to the California Agricultural Land <br /> Evaluation and Site Assessment Model <br /> {'{ (1997)prepared by the California Dept. <br /> tL' of Conservation as an optional model to <br /> use in assessing impacts on agriculture <br /> and farmland. Would the project: <br /> Fr a) Convert Prime Farmland,Unique ■ <br /> Farmland,or Farmland of Statewide <br /> F1 I <br /> Importance(Farmland),as shown on <br /> the maps prepared pursuant to the <br /> Farmland Mapping and Monitoring <br /> Program of the California Resources <br /> Agency,to a non-agricultural use? <br /> b) Conflict with existing zoning for ■ ❑ <br /> agricultural use,or a Williamson <br /> Act contract? <br /> c) Involve other changes in the existing ■ ❑ El ❑ <br /> f environment which,due to their <br /> ! location or nature,could result in <br /> conversion of Farmland to non- <br /> agricultural use? <br /> SETTING <br /> The site of the proposed Altarnont Heights project has been used for dry-land farming and is <br /> currently planted in oats. Houses and buildings exist on the west side of the site. Byron <br /> Bethany Irrigation District's Canal 155, an earthen irrigation canal,weaves through Grant <br /> 01 Line Village to the north of the project site. The canal is no longer in use. The California <br /> Department of Conservation, Office of Land Conservation,and San Joaquin County have <br /> designated the soils on the site as Farmland of Local Importance. The land is not in a <br /> C Williamson Act contract(EDAW, 2005b, Figure 4.2-2). <br /> FiSIGNIFICANT IMPACTS IDENTIFIED IN 2005 SPIIIEIR <br /> The SPIIIEIR identified three potentially significant impacts. One involves conversion of <br /> agriculturally zoned land on the Pombo property(located northeast of the Mountain House <br /> ! Community)to interim disposal of treated wastewater. This impact does not involve the <br /> proposed project. The other two potentially significant impacts are: <br /> Impact 4.2-3 Land Use and Agriculture—Direct Conversion of Important <br /> ! ' Farmland. [Development of Specific Plan III] would result in the direct conversion <br /> of approximately 760 acres of Important Farmland(Prime Farmland and Farmland of <br /> F1 4-9 <br />