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• Existing dairy conditions—A dairy and an extensive irrigation and tailwater <br /> return system exists onsite. The proposed dairy expansion design involves the <br /> placement of additional freestalls to the south of the existing freestalls. <br /> Additional settling basins will need to constructed to accommodate the increased <br /> herd size. The footprint for the expanded freestalls is shown on Figure 2 as the <br /> "Freestall Expansion Area"; <br /> • Irrigation water is derived from two on-site irrigation wells. <br /> Two rounds of water quality have been performed for the domestic well and the two <br /> irrigation wells. Results are presented on the table below: <br /> Nitrate Total <br /> Conductivity as N TKN Nitrogen <br /> Sample Location Date (PS m) (m /L) (m ) (m /L) <br /> Domestic Well 10/18/2007 1,030 11.6 <br /> Irrigation Well#2 10/18/2007 901 10.4 <br /> Irri ation Well#3 10/18/20071 916 1 10.8 <br /> Domestic Well 6/24/2008 1,150 14.5 <br /> Irrigation Well#2 6/24/2008 942 10.7 ND 10.7 <br /> Irrigation Well#3 6/24/2008 869 7.9 ND 7.9 <br /> *Calculated from nitrate as NO3 by dividing by 4.5 <br /> Nitrate as N ranges from 7.9 to 14.5 mg/L for the domestic and irrigation wells. <br /> Conductivity ranges from 901 to 1,150 NS/cm for the sampled wells. Total Kjeldahl <br /> Nitrogen was non-detect for the irrigation wells during June 2008. For nitrate as N and <br /> conductivity, the domestic well is elevated in comparison to the irrigation wells. <br /> The contents of this plan follow the RWQCB MWISP guidance for the installation of <br /> monitoring wells. The proposed well location rationale is defined in Section 2.0. <br /> Woods Dairy March 1,2010 <br /> 103-27 Monitoring Well Installation Plan 3 Revision 1 <br />