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2-20 <br />• ~. _ l.. ~_:U I~'YaLe Water' IRIG3CtS <br />I~he 1Rip3Ct Of F'r''?G'?sed SUr'face CU31 R11ri1rIO 3Mj r'eCl3mat19ri <br />c'perati'?r~s or. SVr't3Ce water 3r1'j thle e;::istir~g h~y'jrc'1'?gic t'alance c'f <br />the ~:•roject area will rarn~e from insignificant to nt'ne::.:istent. <br />Withl at'solutely roc' p'~terlti•al for a 'jetrlR~er~tal irrlF'act tc' water <br />QU3M1t ity, especially in regard to e?fisting usage, the comE'any <br />concentrated ~?n pc~tential detrimental imF'acts to water quality <br />relative to NF'LIE'=~ eff~luerlt liR~itatic'r~s arl'j si'Jr~ificar~t <br />C Orlt r'1GUt ic'ns iit Sed lmO nt to SIJ r'1'3C l' Wit er'S lri East ~~31t I_r'ceE::, Sri <br />interrnittent stream in its reaches associated with the oF'crations. <br />• Fly'jrc'1'?'?ic c':rltrr_'ls, cc'R~pr'ise'j of specifically 'jesigr~ate'j <br />sedirner~tati'?n ponds, stream crc'ssings, ditches, culverts and <br />relocate-d reaches of eF'hemeral channels will Ge c'?nstr~JCted in a <br />manner that will minirni~e cc'ntrifution '?f sediments to the <br />intermittent streaR~ in the East Salt Creek: Vallev. Drair~aae basins <br />ar'e shl~?wrl c'r. Fi'JUre 4.~-F•_~ and CalCUl3tlc'ns cif culvert and ditch <br />sizir~g are contained in Appendix:<: Ds. <br />East Salt Creek: waters are heavily sediment-laden in the natural <br />State; 3ddltl'ir131 ShiUr't-ter'm 1oC31 Sedlmerit which may be generated <br />during construction will be minimized, as will such contrifuti„ns <br />following campletic~n c'f the c'?nstruction activity which includes <br />. the c~'nsiructinn of perrt~ane nt sed lmc-rat controls. <br />5/13/85 <br />