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22 <br /> 1 C.J. Corvette detailed the hydrogeologic evaluation process, examining topographic and <br /> 2 lithologic trends. He said Orange County's 2001 groundwater report is unique, and noted most <br /> 3 counties lack such comprehensive data. Using the map on the slide, he demonstrated <br /> 4 identifying topographic features like valleys that might indicate areas of geological interest. <br /> 5 <br /> 6 Slide #10 <br /> ARM1 <br /> Public Supply Well Siting <br /> 2h@ . <br /> • Topographic anda w 0S <br /> lithologic trends { <br /> • Site geology r- <br /> .�"Jd!' <br /> Zhe <br /> Z Zgt <br /> Y <br /> '4 1 <br /> SrdAokw F <br /> e No�fi�l i 1lr Kakcr.�;,•r. 'G.nA.,nnde _ <br /> Zgd <br /> 8 C.J. Cornette explained that site geology includes various rock types: metavolcanics, <br /> 9 andesite or, andesitic and basaltic tufts, metavolcanics, and granodiorites, or diabase dikes. The <br /> 10 geological diversity provides opportunities for targeting specific formations for water yield. <br /> 11 <br /> 12 Slide #11 <br /> A K M'� <br /> Public Supply Well Siting <br /> ,tl Zhe. a <br /> • Topographic and <br /> lit lag c i trends <br /> - <br /> ho �-- <br /> • Site geology ;_ f • <br /> • Regional well trends <br /> 3e _Jd I <br /> Zhe <br /> Tpyp�m ,. .• ivaSpm / �rA zq< <br /> • Pollutant setbacks • ~ �� <br /> •SO qpm <br /> S qPM <br /> 13 <br />