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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-00XX 30 <br />FORWARD, INC. <br />FORWARD LANDFILL <br />SAN JOAQUIN COUNTY <br />Table 10—AMW-45 Groundwater Quality <br />Year TDS (mg/L) <br />Nitrate as <br />N (mg/L) <br />Fe <br />(ug/L) <br />Mn <br />(ug/L) <br />2020 570 10 15 12 <br />2021 533 9.8 ---- <br />2022 518 10.2 ---- <br />2023 289 9.6 < 30 < 4 <br />Potential <br />WQO <br />500/1,000 <br />(sMCL/sMCL upper)10 (MCL)300 <br />(sMCL) <br />50 <br />(sMCL) <br />Table 11—AMW-46 Groundwater Quality <br />Year TDS (mg/L) <br />Nitrate as <br />N (mg/L) <br />Fe <br />(ug/L) <br />Mn <br />(ug/L) <br />2020 580 9.5 15 93 <br />2021 590 9.8 ---- <br />2022 530 10 ---- <br />2023 600 7.9 < 30 < 4 <br />Potential <br />WQO <br />500/1,000 <br />(sMCL/sMCL upper)10 (MCL)300 <br />(sMCL) <br />50 <br />(sMCL) <br />Table 12—AMW-14 Groundwater Quality <br />Year TDS (mg/L) <br />Nitrate as N <br />(mg/L)Fe (ug/L)Mn (ug/L) <br />2005 430 5.7 ---- <br />2006 480 7.4 ---- <br />2007 560 10 ---- <br />2008 573 10.8 3.6 0.34 <br />2009 590 12.3 ---- <br />2010 591 12 ---- <br />2011 627 13.7 ---- <br />2012 653 13.5 ---- <br />2013 623 12 33 2 <br />2014 607 12 ---- <br />2015 628 12.8 ----