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Community groups urge faster action after analysis finds higher nitrate in Latino‑majority neighborhoods
Summary
Community and legal advocates presented geospatial analyses at the State Water Board workshop showing domestic wells near dairies and in Latino‑majority neighborhoods have higher nitrate concentrations; they called for stricter, enforceable timelines and expanded well testing and replacement‑water protections.
SACRAMENTO — Environmental justice organizations and community lawyers told the State Water Resources Control Board on July 8 that recent analyses show Latino‑majority neighborhoods in the Central Valley bear a disproportionate burden of nitrate‑contaminated well water and urged the board to tighten timelines in the revised dairy order.
Angelica Rodriguez of California Rural Legal Assistance told the board that statistical mapping through 2025 shows persistent, disproportionate contamination near dairies. "These disparities are not simply historical. They persist today," Rodriguez said, adding that neighborhoods with more than 80% Latino residents average nitrate levels above the 10 mg/L maximum contaminant level.
Research presented by Jake D’Alessandro found that domestic well users within two miles of concentrated animal feeding operations were roughly twice as likely to have well water above the nitrate MCL, and that neighborhoods with a dairy presence saw much higher rates of exceedances than neighborhoods without dairies. D’Alessandro summarized his team’s findings: "If you're within 2 miles of one of these animal feeding operations ... the levels are testing at or above the safe limit," he said.
Community groups called on the board to strengthen the order’s drinking‑water provisions: expand representative well monitoring, require interim and long‑term replacement water for affected households, and allow in‑lieu contributions to the state Safe and Affordable Drinking Water fund as a compliance pathway. Kelsey Hinton of the Community Water Center urged the board to ensure dairies outside existing management zones are held to similar replacement‑water timelines.
Board members and staff asked presenters for written detail and for suggested language to accelerate milestones while remaining legally defensible. Staff said the revised draft includes additional AB 2108 findings and directs the regional board to consider human‑right and EJ factors in future WDR adoptions.
The workshop produced no immediate changes; written comments on the revised draft are due July 30, and staff plans to publish a proposed final order that responds to the comments ahead of a tentative Sept. 15 board meeting.
Community advocates said they will submit fuller data and suggested regulatory language by the comment deadline.
