Water quality
Arsenic injustice in San Joaquin water
Open access · cc by · source: Europe PMC
Valley water systems serving more people of color were far more likely to violate the arsenic MCL.
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Arsenic injustice in San Joaquin water
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464 community water systems were analyzed.
The 464 CWSs in our study sample served 1.134 million people
Systems serving more people of color had a 260% higher chance of an MCL violation.
CWSs serving higher percentages of people of color had a 260% higher chance of having at least one MCL violation.
Key findings
Systems serving more people of color had a 260% higher chance of an MCL violation; higher homeownership cut violation odds 67%; ~14% of people were over 10 μg/L.
Methodology
Linked 2005–2007 arsenic monitoring for 464 community water systems serving 1.134 million people to demographics and compliance records.
Limitations
Does not measure individual tap concentrations or cancer outcomes in residents.
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