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Issues: Water
California's Contaminated Groundwater
Is the State Minding the Store?
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Drinking Water Sources That Exceed Maximum Contaminant Levels
This map displays the location of drinking water sources (groundwater wells only) with at least one contaminant that exceeded a state drinking water standard, as reported to the Department of Health Services, between October 1999 and October 2000.
Source: Data from the Department of Health Services (DHS) Drinking Water Database (October 1999–October 2000); compiled by LFR Levine-Fricke; mapped by NRDC.
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