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LEAD ACTION EXCEEDANCE · MAJOR

Ceres, CA Lead & Copper Rule Action Level Exceedance Confirmed in EPA Records (2026 Guide)

Published: 2026-09-20 Sourced: EPA ECHO SDWIS compliance record for PWSID CA5010028 (Safe Drinking Water Information System, accessed 2026-09-20) View Full Ceres Water Score →

📋 Incident Regulatory Summary

Public Water System ID CA5010028
Detected Level action level exceedance on the EPA compliance record
EPA Regulatory Threshold EPA Lead and Copper Rule: lead action level 0.015 mg/L (15 ppb) and copper action level 1.3 mg/L, evaluated at the 90th percentile of customer tap samples

What Residents in Ceres Need to Know

Ceres, City Of (PWSID CA5010028) supplies roughly 54,513 residents in Ceres, California (Stanislaus County). EPA's SDWIS/ECHO compliance record flags this system as currently in violation of Lead and Copper Rule Revisions, with 6 quarters of violations logged in the past five years. Enforcement status in the federal record: In Violation. Population exposed: 54,513.

EPA Safety Standard & Health Context

Under the Safe Drinking Water Act (SDWA), public utilities are required to maintain strict chemical and biological thresholds to prevent acute gastrointestinal illness or chronic systemic toxicity. When water parameters deviate from baseline standards—as observed in the current Ceres monitoring notice—prompt assessment of home plumbing and secondary filtration is recommended.

Recommended Consumer Action Plan

Certified NSF/ANSI 53 (lead reduction) or NSF/ANSI 58 (reverse osmosis) point-of-use treatment is the verified countermeasure where lead service lines, lead solder, or brass fixtures are present.

Long-Term Municipal Infrastructure & Testing

Municipal water treatment operates at industrial scale, but distribution piping, seasonal lake overturn, and legacy service lines create point-of-use variability. To monitor real-time compliance history for your neighborhood, consult our dedicated Ceres Water Quality Dashboard.

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Frequently Asked Questions

Is tap water currently safe to drink in Ceres?

Ceres, City Of (PWSID CA5010028) supplies roughly 54,513 residents in Ceres, California (Stanislaus County). EPA's SDWIS/ECHO compliance record flags this system as currently in violation of Lead and Copper Rule Revisions, with 6 quarters of violations logged in the past five years. Enforcement status in the federal record: In Violation. Population exposed: 54,513. While municipal utilities actively manage compliance, vulnerable households should deploy certified secondary point-of-use filtration.

What filtration technology is recommended for Ceres's water?

Certified NSF/ANSI 53 (lead reduction) or NSF/ANSI 58 (reverse osmosis) point-of-use treatment is the verified countermeasure where lead service lines, lead solder, or brass fixtures are present.

Where does this water safety data originate?

Data is sourced directly from EPA ECHO SDWIS compliance record for PWSID CA5010028 (Safe Drinking Water Information System, accessed 2026-09-20), cross-referenced against EPA Safe Drinking Water Act compliance records.