This powerful search engine will also give you access to journal articles.   To activate WebBridge, click the Preferences link and enable "library partner links" to Saint Anselm College.

New Hampshire Department of Environmental Services

Go to the A to Z List on left and find Private Well Testing

EPA : Private Drinking Water Wells
(Environmental Protection Agency)

The Basics of Understanding a Water Analysis Report 
(Penn State College of Agricultural Science)

Quality of Water from Domestic Wells in the United States
This is a study from the National Water-Quality Assessment (NAWQA) Program of the U.S. Geological Survey (USGS) and released in 2009.