NRWA Historic Water Monitoring Data

The following historic NRWA water quality data files may be viewed online:

2013 Water Quality Data
2012 Water Quality Data
2011 Water Quality Data
2010 Water Quality Data

2009 Water Quality Data
2008 Water Quality Data
2007 Water Quality Data
2007 Lancaster Nutrient Data
2006 Water Quality Data 

Water quality data for years prior to 2006 is available upon request. Please contact Kathryn Nelson, NRWA Water Monitoring Coordinator, at (978) 448-0299, or email This email address is being protected from spambots. You need JavaScript enabled to view it. .