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American Canyon, CA Tap Water Quality 2026

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

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

Main Utility: American Canyon, City Of PWSID: CA2810005 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

American Canyon earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: not detected
PFAS sampled, too few results to judge
10 violations since 2015, 9 health-based
No violations currently open
American Canyon'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
21822
~7150 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
10 since 2015, all resolved

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 MONITORING AND REPORTING — TT 2020 Addressed
TTHM MCL EXCEEDANCE 83 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 88 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 87 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 94.5 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 100.8 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 85.7 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 94.3 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 103.3 UG/L 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 80.7 UG/L 0.080 mg/L 2017 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

10 violations are on record since 2015, of which 9 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility American Canyon, City Of
PWSID CA2810005
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 21,822
Service connections 7,150
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is American Canyon tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does American Canyon water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to American Canyon? ▼
American Canyon, City Of (PWSID CA2810005). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2019-09-10. No significant deficiencies were recorded.

What Should American Canyon 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
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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