River - Water Quality

River - Annual River Water Quality Reports

The following Annual River Water Quality Reports in portable document format (PDF) are available for download. The PDF files should be viewed with the software Adobe Reader.

2023 Annual River Water Quality Reports

2022 Annual River Water Quality Reports

2021 Annual River Water Quality Reports

2020 Annual River Water Quality Reports

2019 Annual River Water Quality Reports

2018 Annual River Water Quality Reports

2017 Annual River Water Quality Reports

2016 Annual River Water Quality Reports

2015 Annual River Water Quality Reports

2014 Annual River Water Quality Reports

2013 Annual River Water Quality Reports

2012 Annual River Water Quality Reports

2011 Annual River Water Quality Reports

2010 Annual River Water Quality Reports

2009 Annual River Water Quality Reports

2008 Annual River Water Quality Reports

2007 Annual River Water Quality Reports

2006 Annual River Water Quality Reports

2005 Annual River Water Quality Reports

2004 Annual River Water Quality Reports

2003 Annual River Water Quality Reports

2002 Annual River Water Quality Reports

2001 Annual River Water Quality Reports

2000 Annual River Water Quality Reports

1999 Annual River Water Quality Reports

1998 Annual River Water Quality Reports

Annual River Water Quality Reports (PDF)