WQRF Contaminant Occurrence Map
Data Looks at 57 Different Contaminants
The new Contaminant Occurrence Map displays data in the United States for regulated drinking water contaminants that have an enforceable level (MCL or Action Level) above the health-based goal level (MCLG) and also aesthetic contaminants that can cause taste, odor and color or staining issues.
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Watch this tutorial video for a quick overview of how to use the map.
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The data collected for this map was pulled from 46 state regulatory agencies, the United States Environmental Protection Agency’s (USEPA) Fourth Unregulated Contaminant Monitoring Rule (UCMR4), and the federal Safe Drinking Water Information System (SDWIS).
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Find more resources for water quality testing and treatment at www.WQA.org