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Water Quality Analytical Reports - Fairfax Water Service Area

These reports contain water quality test results for a number of Inorganic and Metals parameters for Fairfax Water's source and treated waters, distributed by Fairfax Water. Many of the parameters listed in these reports are commonly requested data from our customers. Examples of these common parameters are pH, Chlorine, Alkalinity, Hardness, and Lead.

Additional information: Water Hardness | Lead

If your residence is located more to the north end of the county, it will generally receive water from the Corbalis Treatment Plant and more southern locations from the Griffith Treatment Plant.

 

Northern Fairfax County - Inorganic and Metal Parameters  
Sample Site Data by Year
Distribution Site Representing Northern Treatment Facilities 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020

Potomac River - Corbalis Water Treatment Plant Source

2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020
Corbalis Treatment Plant Finished Water 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | | 2018 | 2019 | 2020

 

Southern Fairfax County - Inorganic and Metal Parameters  
Sample Site Data by Year
Occoquan Reservoir - Griffith/Lorton/Occoquan Water Treatment Plant Source 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020

Distribution Site Representing Southern Treatment Facilities

2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020
Griffith Treatment Plant Finished Water 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020
Lorton Treatment Plant Finished Water 2003 | 2004 | 2005 | 2006
Occoquan Treatment Plant Finished Water* 2003 | 2004 | 2005 | 2006 | 2007

* The Lorton Water Treatment Plant ceased operations in 2006, the Occoquan Water Treatment Plant ceased operations in 2007.  They were replaced by the Griffith Water Treatment Plant.

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