Environmental Health
Surface Water (Lakes, Rivers & Streams)
Water Quality Monitoring
  Annual Monitoring Reports  
  2014-2016 Water Years | 2012-2014 Water Years | 2010-2011 Water Years  l 
2008-2009 Water Years  l  2006-2007 Water Years  l  2004-2005 Water Years

These reports are prepared by Thurston County Environmental Health and the Thurston County Storm and Surface Water Program. These reports are made in cooperation with the cities of Olympia, Lacey, and Tumwater, and the Washington State Department of Ecology.

New 2014-2016 Water Years

Printable version of entire report [PDF]

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This page last updated: 04/12/18