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Average level of Chromium-6 Contamination in Community Water Utilities testing for Chromium-6 in EPA's UCMR-3
Not Tested
<= 0.02 ppb
>0.02 - 1.00 ppb
>1.01 - 5.0 ppb
>5.01 - 10.0 ppb
>10 ppb
Population Served
Over 100,000
50,001 - 100,000
25,000 - 50,000
15,000 - 25,000
Under 15,000
Source: Environmental Protection Agency, UCMR-3. Data downloaded from https://www.epa.gov/dwucmr/occurrence-data-unregulated-contaminant-monitoring-rule on July 27,2016
Over 100,000
50,001 - 100,000
25,000 - 50,000
15,000 - 25,000
Under 15,000