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Arvin, CA Tap Water Quality 2026

Water quality report for Arvin, CA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Arvin's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Arvin Community Services Dist PWSID: CA1510001 Updated: 2026 Q2
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1 violation currently open

Lead was not detected. No PFAS was detected.

D

Arvin earns a D for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS tested, none detected
21 violations since 2015, 19 health-based
1 violation currently open
Arvin's lead level vs. all California community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of California utilities
Population Served
18421
~4349 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 21 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
Arsenic MCL EXCEEDANCE 0.025 MG/L 0.010 mg/L 2019 Resolved
Arsenic MCL EXCEEDANCE 0.021 MG/L 0.010 mg/L 2019 Resolved
Arsenic MCL EXCEEDANCE 0.035 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.038 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.045 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.044 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.041 MG/L 0.010 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.04 MG/L 0.010 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.04 MG/L 0.010 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.04 MG/L 0.010 mg/L 2017 Resolved
Arsenic MCL EXCEEDANCE 0.033 MG/L 0.010 mg/L 2016 Resolved
Arsenic MCL EXCEEDANCE 0.031 MG/L 0.010 mg/L 2016 Resolved
Arsenic MCL EXCEEDANCE 0.031 MG/L 0.010 mg/L 2016 Resolved
Arsenic MCL EXCEEDANCE 0.031 MG/L 0.010 mg/L 2016 Resolved
Arsenic MCL EXCEEDANCE 0.03 MG/L 0.010 mg/L 2015 Resolved
Arsenic MCL EXCEEDANCE 0.03 MG/L 0.010 mg/L 2015 Resolved
Arsenic MCL EXCEEDANCE 0.031 MG/L 0.010 mg/L 2015 Resolved
Arsenic MCL EXCEEDANCE 0.03 MG/L 0.010 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

1 violation remains open, out of 21 recorded since 2015 (19 health-based).

About the Main Water System

Utility Arvin Community Services Dist
PWSID CA1510001
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 18,421
Service connections 4,349
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Arvin tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open.
Does Arvin water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Arvin? ▼
Arvin Community Services Dist (PWSID CA1510001). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-01-12. No significant deficiencies were recorded.

What Should Arvin Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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