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Yoast Mine AHR 2019 <br /> Review of Annual Hydrology Report <br /> Mine: Yoast Mine Date Reviewed: 26 May 2021 <br /> Permit No: C-1994-082 Reviewed By: D.Cunningham;R. Reilley M.S,GISP <br /> Report Year: 2019 Submitted By: Seneca Property, LLC <br /> Date Received: 5 April 2019 <br /> Water Year 2018 October through 2019 September <br /> Requirement Requirement citation Comment <br /> 1. Filing frequency of CDRMS regulation The Annual hydrology Report is required to be <br /> hydrology report 4.05.13(4)(c) submitted yearly. <br /> 2. Timely filing of hydrology CDRMS regulation The Annual hydrology Report is required to be <br /> report 4.05.13(4)(c) submitted by February 28 and was received by the <br /> Division on 5 April 2019 via U.S. mail. Seneca <br /> Property LLC requested and was granted an extension <br /> to 5 April. <br /> 3. Filing frequency of NPDES permit COG- All filing dates were met. <br /> NPDES Discharge Monitoring 0000221 <br /> Reports <br /> 4. Timely filing of Discharge NPDES permit COG- All DMRs were received on time. <br /> Monitoring Reports 0000221 <br /> 5. Sampling frequency of NPDES permit COG- Itappears that frequency for sampling was complied with. <br /> NPDES outfalls 0000221 <br /> 6. Parameters to be sampled NPDES permit COG- All parameters were met. <br /> for NPDES reporting 0000221 <br /> 7. NPDES discharge NPDES permit COG- The Yoast Mine discharged from Ponds 010, 011, 012, <br /> limitations 0000221 013,and 014 during 2019. According to the report no <br /> exceedances were noted during the 2019 water year. <br /> Based on a Memorandum of Understanding between the <br /> Division of Reclamation, Mining and Safety and the <br /> Water Quality Control Division (WQCD), the WQCD <br /> will be responsible for enforcing CDPS permit <br /> conditions. <br />