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Require- <br />, Require- ment <br />Requirement ment complied Comment <br /> citation with ? (yes <br /> / nol <br /> Chimney Rock Mine is in Segment 6 of the Piedra River Sub- <br /> basin of the San Juan River Basin. The NPDES permit has been <br />I. Instream CWQCC terminated. Waters in Stollsteimer Creek comply with the <br />Numeric regulation yes instream numeric standards where it passes through the <br />Standards 3.3.0 Chimney Rock Mine permit area, as shown by 1997 monitoring <br /> data from sites S-((upstream from mine disturbance), S-2 (at [he <br /> former mine site), and S-3 (downstream from mine disturbance). <br />J. Antidegrada[i CWCC Chimney Rock is no[ subject to the An[ide,radation Rule <br />on Rule for regulation <br />Yes ` <br />because [he receiving waters (Segment 6 of the Piedra River <br />Surface s 3.1.9(2) Sub-basin) are designated "Use-Protected". <br />Water and 3.3.0. <br />K. Interim <br />Narrative CWQCC <br />Standard for regulation yes <br />Ground 41.S.C.6 <br />Water <br />L. Sampling Table SA <br />frequency at of CDMG <br />surface water mining yes <br />monitoring permit C- <br />sites 81-023 <br />M. Parameters to Table SA <br />be sampled at of CDMG <br />surface water <br />mining <br />yes <br /> permit C- <br />sites 81-023 <br /> Surface water features in the permit area are a perennial sveam, <br />N. Prevention of Stollsteimer Creek, and four ephemeral drainages. Mining is not <br />impacts to likely to significantly impact surface water in the ephemeral <br />surface water drainages. The water in Stollsteimer Creek is used a short distance <br />that adversely CDMG downstream from the permit area for domestic, irrigation, and <br />impact the regulation yes stock (Table 14 in the permit application), but is not used within <br />pos[mining 4.05.1(2) the permit area for these purposes. Riparian habitat lines <br />land use Stollsteimer Creek in the permit area. This habitat is no[ expected <br />within [he [o be adversely impacted, even if spoil aquifers in the permit area <br />permit area were to discharge significant volumes into the creek. <br />O. Filing CDMG <br />frequency of regulation yes <br />and re orts 4.O~.ti(13) <br />P. Timely filing CDMG <br />of pond regulation yes <br />re orts 4.05.6(13) <br /> <br />Q. Content of CDMG <br /> <br />pond reports regulation yes <br /> 4.05.6(13) <br />Page 2 <br />