Questions? Contact City Hall at 503-792-4900 Supporting Documents 2022 TMDL Report 3.69 MB 2021 TMDL Report 1.92 MB 2019 TMDL Report 2.15 MB 2016-2017 TMDL Report 4.79 MB 2015-2016 TMDL Report 1.45 MB 2014-2015 TMDL Report 728.96 KB 2013-2014 TMDL Report 695.21 KB 2012-2013 TMDL Report 800.56 KB 2011-2012 TMDL Report 922.88 KB 2010 TMDL Report 5.01 MB Print