▁streams ▁or ▁rivers ▁mainly ▁due ▁to ▁the ▁high ▁dissol ving ▁process ▁of ▁the ▁ar sen ic ▁and ▁due ▁to ▁the ▁bas ement ▁rocks ▁that ▁lie ▁between ▁the ▁ground water ▁and ▁the ▁soil . ▁" The ▁only ▁dis adv antage ▁is ▁that ▁whatever ▁is ▁depos ited ▁on ▁the ▁surface ▁soil ▁may ▁be ▁carried ▁to ▁greater ▁depth s ▁with ▁time ▁by ▁rain water ▁( G ish ▁et ▁al , 2 0 1 0 , ▁ 1 9 7 3 ) ". ▁The ▁most ▁extens ively ▁dam aged ▁areas ▁are ▁the ▁ones ▁closest ▁to ▁the ▁mines , ▁but ▁with ▁the ▁wind ▁carrying ▁the ▁dust , ▁areas ▁hundreds ▁of ▁miles ▁away ▁are ▁getting ▁cont amin ated ▁by ▁the ▁chemical s . ▁Due ▁to ▁the ▁extensive ▁output ▁of ▁the ▁chemical s ▁from ▁the ▁min ing ▁mill s ▁and ▁un ▁resolved ▁to xic ▁sp ills , ▁many ▁rivers , ▁streams , ▁la kes ▁and ▁ir rig ation ▁systems ▁have ▁been ▁dam aged ▁or ▁ob sole te . ▁The ▁local ▁residents ▁have ▁been ▁affected ▁greatly ▁by ▁this ▁phenomen on . ▁Res idents ▁have ▁seen ▁the ▁environmental ▁changes ▁especially ▁in ▁the ▁water . ▁Sl ud ge ▁flo ats ▁down ▁on ▁streams ▁that ▁were ▁once ▁main ▁sources ▁of ▁drink ing ▁water ▁according ▁to ▁local ▁residents . ▁All ▁the ▁marine ▁life ▁in ▁the ▁rivers ▁and ▁streams ▁has ▁died ▁due ▁to ▁the ▁high ▁amounts ▁of ▁chemical s ▁in ▁the ▁water . ▁According ▁to ▁Action ▁A id , ▁residents ▁have ▁seen ▁pip es ▁that ▁run ▁straight ▁into ▁local ▁streams ▁and ▁rivers ▁that ▁were ▁depos iting