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Department of Water Supply
Water Quality Report
Results of Monitoring Unregulated Contaminants
Drinking water rules require DWS to monitor for certain unregulated contaminants. Testing detected the following unregulated contaminants.
Unregulated Radiological Contaminants
Radon - MCL is not yet available
Major source: erosion of natural deposits in groundwater aquifers
Unregulated Disinfection Byproducts
For all of the above, the MCL is not yet available and the major source is a byproduct of drinking water chlorination.
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