Fox Valley Quality Control Lab is a water testing company. Fox Valley Quality Control Lab is certified through the DNR and the Wisconsin Dept of Agriculture, Trade and Comsumer Protection. We have the ability to analyze a homeowner’s well water supply for Total Coliform, E Coliform, Nitrates, Nitrites, Arsenic & Lead. See the Attached brochure for more information. Your can contact Fox Valley Quality Control Lab at 920-731-5484 or email foxvalleyqclab.com.