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s <br /> ER-91-2 <br /> NOP <br /> PAGE 3 <br /> applicants made three linear clearings in the oak forest for the <br /> proposed golf course. These clearings resulted in the loss of <br /> numerous oak trees. The remaining oak forest is the largest <br /> remnant riparian forest in the County. It is unknown what impacts <br /> development of the site may have on the vernal pools an oak trees. <br /> There may also be impacts to some of the oak trees near the <br /> Mokelumne River when the bridge and private roads through this area <br /> are constructed. The applicant is proposing to maintain most of <br /> the oaks that remain on site, and is currently beginning work on <br /> the reestablishment of oaks in the open area of the site. <br /> Water and Sewer• <br /> Domestic water for the 26 homesites is proposed to be provided by <br /> individual on-site wells. Potable water for the club house will <br /> also be provided by a well. Water for golf course irrigation well <br /> be pumped from Tracy Lake, which will be fed by Mokelumne River <br /> runoff, Jahant Slough, and pumped groundwater. Use of groundwater <br /> as proposed may result in drawdown of the aquifer, with unknown <br /> but potentially significant impacts on existing agricultural and <br /> residential water users in the area. There is also the possibility <br /> that existing and past farming practices in this area have had <br /> impacts on the groundwater quality. It is also unknown what <br /> impacts there may be to downstream users from the diversion of <br /> Mokelumne River water to fill Tracy Lakes. <br /> Individual septic systems are proposed for each of the 26 <br /> residential parcels. A soil suitability analysis of each parcel <br /> will be necessary to ensure that each parcel can adequately <br /> accommodate an individual septic tank and well. <br /> Flooding and Drainage: <br /> Nearly all of the site is subject to flooding (Flood Zone A) , and <br /> will therefore be subject to the County ' s flood ordinance. <br /> Disturbance of the site during construction of the project could <br /> lead to erosion and sedimentation of the Mokelumne River and Tracy <br /> Lake. Additionally, development as proposed will permanently alter <br /> the drainage of the site. <br /> Hazardous Materials: <br /> It is unknown what impacts there may be to ground and surface-water <br /> as a result of the use of herbicides and pesticides on the golf <br /> course. Poisons used to control gophers and other small rodents <br /> on the golf course may impact raptors and other animals higher on <br /> the food chain. Residents may also be subject to spray drift from <br />