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Arsenic injustice in San Joaquin water
Valley water systems serving more people of color were far more likely to violate the arsenic MCL.
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How many water systems?
464 community water systems.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Population served in the sample?
1.134 million people.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
What did the Revised Arsenic Rule change?
MCL fell from 50 μg/L to 10 μg/L.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
People-of-color systems and violations?
260% higher chance of at least one MCL violation.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Homeownership and violations?
67% lower chance of an MCL violation.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Share potentially over 10 μg/L?
About 14% of the sample population.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
How many systems received MCL violations?
34 CWSs serving 151,391 people.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Among 10–50 μg/L exposed, people of color share?
61%, versus 55% in the full sample.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Small systems among 10–50 μg/L CWSs?
66% had fewer than 200 connections.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Years analyzed?
2005 to 2007.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified
Policy implication stated?
Small disadvantaged systems need funding, technical support, or consolidation.
Source: Environmental justice implications of arsenic contamination in California's San Joaquin Valley: a cross-sectional, cluster-design examining exposure and compliance in community drinking water systems · DOI · quote verified