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Seneca IIW AHR 2020 <br /> Review of Annual Hydrology Report <br /> Mine: Seneca IIW Mine Date Reviewed: 28 May 2021 <br /> Permit No: C1982057 Reviewed By: R.Reilley <br /> Report Year: 2020 <br /> Date Received: 31 March 2021 Submitted By: Seneca Property, LLC <br /> Water Year 2019 October through 2020 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 28 February 2020 and was received by the <br /> Division on 31 March 2021 via electronic submittal. <br /> 3. Filing frequency of NPDES permit CO- Filling is monthly,and reports were not relayed to DRMS <br /> NPDES Discharge Monitoring 0000221 in a timely manner. <br /> Reports <br /> 4. Timely filing of Discharge NPDES permit CO- Filling is monthly,and reports were not relayed to DRMS <br /> Monitoring Reports 0000221 in a timely manner. <br /> 5. Sampling frequency of NPDES permit CO- It appears that frequency for sampling was complied <br /> NPDES outfalls 0000221 with <br /> 6. Parameters to be sampled NPDES permit CO- All parameters were met. <br /> for NPDES reporting 0000221 <br /> 7. NPDES discharge NPDES permit CO- The Seneca Mine discharged from Ponds 05, <br /> limitations 0000221 06, 015, 016, and 017 during 2020. <br /> Based on a Memorandum of Understanding between <br /> the Division of Reclamation, Mining and Safety and <br /> the Water Quality Control Division (WQCD),the <br /> WQCD will be responsible for enforcing CDPS permit <br /> conditions. <br /> 2 <br />