Appendix 1: Approved 2020 303(d) List of Approved March 26, 2021 Impaired Waters Needing TMDLs Appendix 1: Approved 2020 303(d) List of Impaired Waters Needing TMDLs (March 26, 2021) Water body name Year added to List Basin River AUID# or Lake ID # Partial tribal designation Affected designated use Pollutant or stressor EPA category Wapsipinicon River 2018 Cedar River 07080102-507 Aquatic Life Benthic macroinvertebrates bioassessments 5 Wapsipinicon River 2018 Cedar River 07080102-507 Aquatic Life Fish bioassessments 5 Cedar River 2012 Cedar River 07080201-501 Aquatic Life Benthic macroinvertebrates bioassessments 5 Cedar River 2012 Cedar River 07080201-501 Aquatic Life Fish bioassessments 5 Cedar River 2002 Cedar River 07080201-502 Aquatic Consumption PCBs in fish tissue 5 Cedar River 2002 Cedar River 07080201-503 Aquatic Consumption PCBs in fish tissue 5 Roberts Creek 2012 Cedar River 07080201-504 Aquatic Life Benthic macroinvertebrates bioassessments 5 Roberts Creek 2012 Cedar River 07080201-506 Aquatic Life Benthic macroinvertebrates bioassessments 5 Roberts Creek 2012 Cedar River 07080201-506 Aquatic Life Fish bioassessments 5 Cedar River 2002 Cedar River 07080201-511 Aquatic Consumption PCBs in fish tissue 5 Cedar River 2006 Cedar River 07080201-512 Aquatic Consumption PCBs in fish tissue 5 Cedar River 2012 Cedar River 07080201-515 Aquatic Life Benthic macroinvertebrates bioassessments 5 Cedar River 2012 Cedar River 07080201-516 Aquatic Life Turbidity 5 Otter Creek 2020 Cedar River 07080201-517 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2012 Cedar River 07080201-519 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2012 Cedar River 07080201-520 Aquatic Life Benthic macroinvertebrates bioassessments 5 Schwerin Creek 2012 Cedar River 07080201-523 Aquatic Life Benthic macroinvertebrates bioassessments 5 Mud Creek 2020 Cedar River 07080201-528 Aquatic Life Benthic macroinvertebrates bioassessments 5 Little Cedar River (Cedar 2012 Cedar River 07080201-530 Aquatic Life Benthic macroinvertebrates bioassessments 5 River, Middle Fork) Unnamed creek 2012 Cedar River 07080201-534 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2012 Cedar River 07080201-534 Aquatic Life Fish bioassessments 5 Turtle Creek 2020 Cedar River 07080201-538 Aquatic Life Total suspended solids (TSS) 5 Turtle Creek 2012 Cedar River 07080201-540 Aquatic Life Benthic macroinvertebrates bioassessments 5 Turtle Creek 2012 Cedar River 07080201-540 Aquatic Life Fish bioassessments 5 Unnamed creek 2012 Cedar River 07080201-547 Aquatic Life Benthic macroinvertebrates bioassessments 5 Little Cedar River, Middle 2012 Cedar River 07080201-549 Aquatic Life Benthic macroinvertebrates bioassessments 5 Fork Unnamed creek (Woodson 2012 Cedar River 07080201-554 Aquatic Life Benthic macroinvertebrates bioassessments 5 Creek) Unnamed creek (Woodson 2012 Cedar River 07080201-554 Aquatic Life Fish bioassessments 5 Creek) Unnamed creek 2020 Cedar River 07080201-572 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2020 Cedar River 07080201-574 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2012 Cedar River 07080201-577 Aquatic Life Benthic macroinvertebrates bioassessments 5 County Ditch 8 2020 Cedar River 07080201-584 Aquatic Life Benthic macroinvertebrates bioassessments 5 County Ditch 8 2020 Cedar River 07080201-584 Aquatic Life Fish bioassessments 5 Judicial Ditch 24 2020 Cedar River 07080201-587 Aquatic Life Benthic macroinvertebrates bioassessments 5 Mud Lake Creek/County 2020 Cedar River 07080201-590 Aquatic Life Benthic macroinvertebrates bioassessments 5 Ditch 75 Unnamed creek (Cedar River, 2012 Cedar River 07080201-591 Aquatic Life Benthic macroinvertebrates bioassessments 5 West Fork) Unnamed creek 2012 Cedar River 07080201-593 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2020 Cedar River 07080201-594 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2020 Cedar River 07080201-596 Aquatic Life Benthic macroinvertebrates bioassessments 5 Orchard Creek 2020 Cedar River 07080201-613 Aquatic Life Benthic macroinvertebrates bioassessments 5 Woodbury Creek 2020 Cedar River 07080201-615 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2020 Cedar River 07080201-617 Aquatic Life Benthic macroinvertebrates bioassessments 5 Unnamed creek 2020 Cedar River 07080201-617 Aquatic Life Fish bioassessments 5 Unnamed creek 2020 Cedar River 07080201-621 Aquatic Life Benthic macroinvertebrates bioassessments 5 Judicial Ditch 5 2020 Cedar River 07080201-623 Aquatic Life Benthic macroinvertebrates bioassessments 5 Shell Rock River 2012 Cedar River 07080202-501 Aquatic Life Benthic macroinvertebrates bioassessments 5 Shell Rock River 2012 Cedar River 07080202-501 Aquatic Life Dissolved oxygen 5 Pg. 1 Appendix 1: Approved 2020 303(d) List of Approved March 26, 2021 Impaired Waters Needing TMDLs Appendix 1: Approved 2020 303(d) List of Impaired Waters Needing TMDLs (March 26, 2021) Water body name Year added to List Basin River AUID# or Lake ID # Partial tribal designation Affected designated use Pollutant or stressor EPA category Shell Rock River 2012 Cedar River 07080202-501 Aquatic Life Fish bioassessments 5 Shell Rock River 2016 Cedar River 07080202-501 Aquatic Life Nutrients 5 Shell Rock River 2008 Cedar River 07080202-501 Aquatic Life pH 5 Shell Rock River 2002 Cedar River 07080202-501 Aquatic Life Turbidity 5 County Ditch 16 2020 Cedar River 07080202-508 Aquatic Life Benthic macroinvertebrates bioassessments 5 County Ditch 16 2020 Cedar River 07080202-508 Aquatic Life Fish bioassessments 5 Unnamed creek (Schoff 2020 Cedar River 07080202-516 Aquatic Life Benthic macroinvertebrates bioassessments 5 Creek) Unnamed creek (Schoff 2020 Cedar River 07080202-516 Aquatic Life Fish bioassessments 5 Creek) Unnamed creek (Schoff 2016 Cedar River 07080202-516 Aquatic Life Nutrients 5 Creek) Unnamed creek (Schoff 2010 Cedar River 07080202-516 Aquatic Life Turbidity 5 Creek) County Ditch 9 2020 Cedar River 07080202-526 Aquatic Life Benthic macroinvertebrates bioassessments 5 County Ditch 9 2020 Cedar River 07080202-526 Aquatic Life Fish bioassessments 5 County Ditch 66 2020 Cedar River 07080202-527 Aquatic Life Benthic macroinvertebrates bioassessments 5 County Ditch 66 2020 Cedar River 07080202-527 Aquatic Life Fish bioassessments 5 County Ditch 65 2020 Cedar River 07080202-529 Aquatic Life Benthic macroinvertebrates bioassessments 5 County Ditch 65 2020 Cedar River 07080202-529 Aquatic Life Fish bioassessments 5 Unnamed creek (Wedge 2020 Cedar River 07080202-531 Aquatic Life Fish bioassessments 5 Creek) Unnamed creek (Wedge 2012 Cedar River 07080202-531 Aquatic Recreation Escherichia coli (E. coli) 5 Creek) Bancroft Creek (County Ditch 2020 Cedar River 07080202-548 Aquatic Life Benthic macroinvertebrates bioassessments 5 63) Bancroft Creek (County Ditch 2020 Cedar River 07080202-549 Aquatic Life Benthic macroinvertebrates bioassessments 5 63) Bancroft Creek (County Ditch 2020 Cedar River 07080202-549 Aquatic Life Fish bioassessments 5 63) Bancroft Creek (County Ditch 2020 Cedar River 07080202-550 Aquatic Life Benthic macroinvertebrates bioassessments 5 63) Bancroft Creek (County Ditch 2012 Cedar River 07080202-550 Aquatic Recreation Escherichia coli (E. coli) 5 63) Lime Creek 2018 Cedar River 07080203-501 Aquatic Life Benthic macroinvertebrates bioassessments 5 Lime Creek 2018 Cedar River 07080203-501 Aquatic Life Dissolved oxygen 5 Lime Creek 2018 Cedar River 07080203-501 Aquatic Life Fish bioassessments 5 Steward Creek (County Ditch 2018 Cedar River 07080203-504 Aquatic Life Benthic macroinvertebrates bioassessments 5 23) Steward Creek (County Ditch 2018 Cedar River 07080203-504 Aquatic Life Dissolved oxygen 5 23) Unnamed creek 2018 Cedar River 07080203-509 Aquatic Life Dissolved oxygen 5 Judicial Ditch 25 2018 Cedar River 07080203-515 Aquatic Life Dissolved oxygen 5 Judicial Ditch 25 2018 Cedar River 07080203-515 Aquatic Life Fish bioassessments 5 Albert Lea 2008 Cedar River 24-0014-00 Aquatic Recreation Nutrients 5 Fountain (East Bay) 2008 Cedar River 24-0018-01 Aquatic Recreation Nutrients 5 Fountain (West Bay) 2008 Cedar River 24-0018-02 Aquatic Recreation Nutrients 5 White 2012 Cedar River 24-0024-00 Aquatic Recreation Nutrients 5 Pickeral 2008 Cedar River 24-0025-00 Aquatic Recreation Nutrients 5 Des Moines River 1994 Des Moines River 07100001-501 Aquatic Life Ammonia, un-ionized 5 Des Moines River 2018 Des Moines River 07100001-501 Aquatic Life Benthic macroinvertebrates bioassessments 5 Des Moines River 1994 Des Moines River 07100001-501 Aquatic Life Dissolved oxygen 5 Des Moines River 2018 Des Moines River 07100001-501 Aquatic Life Fish bioassessments 5 Pg. 2 Appendix 1: Approved 2020 303(d) List of Approved March 26, 2021 Impaired Waters Needing TMDLs Appendix 1: Approved 2020 303(d) List of Impaired Waters Needing TMDLs (March 26, 2021) Water body name Year added to List Basin River AUID# or Lake ID # Partial tribal designation Affected designated use Pollutant or stressor EPA category Des Moines River 2016 Des Moines River 07100001-501 Aquatic Life Nutrients 5 County Ditch 20 2018 Des Moines River 07100001-504 Aquatic Life Fish bioassessments 5 Lower Lake Sarah Outlet 2018 Des Moines River 07100001-508 Aquatic Life Benthic macroinvertebrates bioassessments 5 Lower Lake Sarah Outlet 2018 Des Moines River 07100001-508 Aquatic Life Fish bioassessments 5 Okabena Creek 2010 Des Moines River 07100001-512