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MOUNTAIN HOUSE NEIGHBORHOODS K AND f_INITIAL STUDY 5.ENVIRONMENTAL CHECK LEST 2.AGRICULTURE AND FORESTRY RESOURCES t 1 open space lands(within the project site) and Wicklund Cut provide this buffer (see Figure 2-4). A regional park would extend along the northern boundary of Neighborhoods K ' and L, providing the required buffer. Old River would also serve as a buffer for agricultural lands to the north. k Potential for Disruption of Irrigation Service to Adloining Farmland. The Mountain House Master Plan (Section 12.3.4, pages 12.11 through 12.13) contains policies and implementation measures for maintaining irrigation service to lands outside the Master Plan area that are within the Byron Bethany Irrigation District(BBID)service area. These provisions would apply to development in Neighborhoods K and L. Farmland irrigation supply and drainage issues are described in a farm irrigation report for each Mountain House neighborhood. Farm irrigation reports must be submitted to and approved by the San Joaquin County Community Development Department with Tentative Subdivision Maps for each neighborhood. Farm irrigation reports have been prepared and approved for Neighborhoods K and L. The reports can be reviewed at the San Joaquin County Community Development Department. Irriciation Service in Neighborhoods K and L. Neighborhoods K and L were once -'1 irrigated with water from Old River. Irrigation water was pumped from the river and distributed through pipes and ditches to individual fields by owners and/or tenants. Some fields within the project site are dry-farmed or not in production. A number of pipes and pumps exist throughout the project site,with gate valves along Mountain House Creek. : Irrigation supply facilities on the project site were abandoned when various improvements were made on the site in anticipation of development of Neighborhoods K and L. Already-abandoned improvements include the following:construction of effluent reservoirs to serve the wastewater treatment plant located east of the project site, re-alignment and reconstruction of Mountain House Creek, construction of Water Quality Basin No. 1 (near Byron Road), and construction of various storm water improvements(see Figure 5.2-1). Additionally, some of the fields within Neighborhoods K and L were used as a sprayfield for the application of treated effluent from the effluent storage reservoirs. Such use of the fields is no longer required because a discharge pipeline has been constructed to convey treated effluent from the wastewater treatment plant to Old River. The permit for the spray operations has since been F11 closed (Condor, 2010) Summary of Potential Effects on Irrigation Service to Adioining Farmlands. The irrigation service changes described above would not disrupt irrigation service to farmlands outside the project site. No additional mitigation measures would be necessary for Neighborhoods K and L. f. # csr�rr 5-19