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f <br /> LAugust 5, 2005 <br /> / NOA Project Number: E05098A <br /> 1/ 3.3 Current On-Site Sources of Nitrate <br /> Current on-site sources on the site would include those associated with cattle grazing on pasture <br /> land. <br /> ✓3.3.1 Existing Septic System <br /> No septic systems exist on the Site. <br /> 1'3.3.2 Agricultural Contribution <br /> No agricultural contribution was considered for the nitrate loading study. No significant long-term <br /> or future . p,act-isx� pecfed£ n-p esent.or future cattle grazing. <br /> 3`3 Wlnety Processes Contribution <br /> Our office understands from Mike Smith Engineering that the.project will involve onsite treatment <br /> of winery waste water. It appears from examination of the site plan that lined ponds and wetland <br /> area will be engineered to treat winery waste water. Our office understands that the design work is <br /> being performed by another engineering firm. <br /> It is our understanding that winery waste water will be treated on site under proper permitting <br /> probably through the State Regional Water Quality Control Boards (Regional Board). It is not <br /> expected that any waste water will be allowed to percolate into the ground under a Regional Board <br /> waste discharge permit. Therefore no significant contribution from the winery waste water is <br /> considered for the nitrate loading study. <br /> / 3.4 Future On-Site Sources of Nitrate <br /> V 3.4.1 Quantity and Quality of Domestic Wastewater From Proposed Project <br /> The followingdiscussion is for determining the long-term waste water flow generated from septic <br /> g g <br /> system use only of the proposed winery facility. It is our assumption that any winery waste water <br /> generated on the site will be properly treated on site with proper waste water discharge permitting. <br /> r No contribution from agriculture is considered in this analysis. <br /> 1 <br /> The following septic use estimates are for the purposes of the nitrate loading analysis and should not <br /> be used for septic system design purposes. Typically,use estimates for the sizing of septic systems <br /> include a peak use factor,whereas the numbers discussed here are based on long-term averages. <br /> Thep <br /> p pro osed employee levels are expected to increase over time according to Mike Smith <br /> Engineering. No visitors, customers, or special events are planned. The following table shows the <br /> Lplanned employee staffing for the winery in the future: <br />