Laserfiche WebLink
Require- <br /> <br />Requirement Require-ment ment <br />complied <br />Comment <br /> citation with 7 <br /> eslno; <br />V. Minimization of <br />disturbance to the CDMG ' <br />hydrologic regulation yes ' <br />balance within 4.05.1(1) <br />and adjacent to <br />the ennit area <br />W. Prevention of ' Impacts to surface water outside permit area has been <br />material damage CDMG TDS loading of surface streams, and does not impair water <br />to the hydrologic regulation Yes use. There are no data indicating impacts to an aquifer <br />balance outside 4.05.1(1) outside the permit area. <br />the rmit area ' <br /> The only apparent major hydrologic impacts at Trapper <br /> are TDS loading of the following waters: No Name Gulch <br /> stream flow, ground water in spoil backfill at wells GF-7 <br /> and GF-I 1, and possibly the bedrock aquifer, and the 3rd <br /> White sandstone at well P-8. Although these are major <br /> ' impacts, they do not rise to the level of material damage <br /> CDMG ~ because use or potential use is not impaired. Of these <br />X. Agreement of regulation , impacts, only the impact at well P-8 has not undergone <br />observed 2.05.6(2) and i final bond release. <br />hydrologic <br />requirement The TDS increase in No Name Gulch was addressed in <br />impacts with to keep DMG's review of Trapper's 1997 annual report (TR-78). <br />"probable information yea ~ TDS loading of ground water in the 3`d White Sandstone <br />hydrologic <br />" current, , in well P-8 may be the result of suspected spoil leachate <br />consequences CDMG discharging from A-pit 1 100 ft. upgradient from the well. <br />(PHC) projected regulation Surface infiltration may affect the well because the well is <br />in mining permit 2.03.3(1) ~ only 35 feet deep. The well monitors sandstone beds that <br /> ~ probably are permeable, and that may be in direct <br /> communication with the land surface. Well P-8 is 150 feet <br /> ~ from a pond which has high inflows (East Pyeatt # I ). High <br /> nitrate content of samples in past years may indicate the <br /> ~ well receives infiltration of surface water. <br />Y. Adequacy of CDMG ' <br />ground water regulation yes i <br />monitorin ro ram 4.05.13 1 <br />Z. Adequacy of CDMG <br />surface water regulation yes <br />monitoring 4.05.13(2) <br />ro ram i <br />Page 7 <br />