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The City of Santa Ana does not contain any impaired water <br />bodies, as defined by Section 303 of the Clean Water Act. <br />However, the City does contain several drainage facilities that <br />convey surface water runoff into bodies of water that are <br />classified as impaired. <br />Approval of the proposed amendment to the Municipal Code to <br />establish a zoning ordinance for a Specific District and any <br />subsequent construction according to this zoning document would <br />not directly involve routine waste discharges that would be in <br />conflict with water quality standards established by the State <br />Regional Water Quality Control Board, in that the approval of <br />the proposed ordinance would not involve any long term <br />operations or construction activities that would involve the <br />discharge of water. This project would be subject to the City's <br />storm water protection requirements. <br />B. Substantially deplete groundwater supplies or interfere <br />substantially with groundwater recharge such that there <br />would be a net deficit in aquifer volume or a lowering of <br />the local groundwater table level. <br />Q. Have a potentially significant adverse impact on <br />groundwater quality? <br />No Impact <br />The City of Santa Ana receives 660 of its water from underground <br />water supplies. The underground water basin in the City ranges <br />from -50-feet to +40-feet above sea level. Presently, the City <br />pumps underground water from 21 water wells. Fourteen of the <br />water wells pump ground water into small surface reservoirs. The <br />remaining seven water wells pump underground water into the <br />City's distribution system. <br />Approval of the proposed amendment to the Municipal Code to <br />establish a zoning ordinance for a Specific District and any <br />subsequent construction according to this zoning document would <br />not result in adverse impacts to underground water supplies or <br />prevent the recharge of underground water supplies, in -that <br />approval of the proposed ordinance would not involve any <br />activities that would impact underground water supplies or <br />provide impervious surfaces that would prevent the recharge of <br />underground water supplies. <br />C. Substantially alter the existing drainage pattern of the <br />site or area, including through the alteration of the <br />8Q~,,~4 <br />