Laserfiche WebLink
Require- <br /> Require- ment <br />Requirement ment complied Comment <br /> citation with ? lYes <br /> / no) <br />Q. Para- <br />meters Table <br />to be 2.04.7-I <br />analyze of CDMG <br />d in mining Yes <br />ground permit C- <br />water 81-008 <br />sam les <br /> The Burro Canyon Formation, approximately 60 feet beneath <br /> the mined sequence, maybe the only aquifer that has been or <br /> will be a drilling target for local water supply wells. The Burro <br /> Canyon Formation is not believed to be in hydraulic <br /> CWQCC communication with the mined stratigraphic sequence, and <br />R. Basic <br />regulation therefore is not expected to be affected by mining. <br />Standards Prior to mining, naturally high concentrations of sodium and <br />for Ground s <br />41.4 and yes sulfate rendered [he water in the mining sequence unusable for <br />Water 41.5 domestic or irrigation purposes. The water is marginally usable <br /> for livestock watering; spoil leachate will probably be no less <br /> usable. <br /> The downgradient monitoring well, GW-N44,4S,46, <br /> indicates current compliance with the Basic Standards if a <br /> com Hance oint were established at this well. <br />S. Restoration Mine pit excavations disrupt the potentiometric surface. After <br />of ground reclamation, the pits will show nearly full recovery of the <br /> potentiometric surface outside the pits and partial recovery of <br />water CDMG potentiometric surface inside backfilled pits. Spot] springs may <br />recharge to regulation YeS reduce ground water recharge by diverting ground water flow to <br />approximate 4.OS.11(3) surface flow, but New Horizon's expected total aggregate spoil <br />premining spring discharge of less than 1 cfs will be too small to reduce <br />rate round water rechar e below a roximate reminin rate. <br />T. Prevention of <br />adverse <br />impacts to CDMG The PHC predicts no adverse impacts, and monitoring data <br />ground water regulation yes <br />indicate no adverse impacts. <br />systems 4.05.11 <br />outside the <br />ermit azea <br />U. Prevention of <br />impacts to CDMG <br />ground regulation Impacts, if any, have not exceeded impacts predicted in the PHC. <br />water that s <br />adversely 4.05.1(2) Yes <br />impact the and <br />postmining 4.OS.11 <br />land use <br />Page 3 <br />