States ›California ›Siskiyou County ›Montague

Montague, CA Tap Water Quality 2026

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

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

Main Utility: Montague, City Of PWSID: CA4710007 Updated: 2026 Q2
🚨

1 violation currently open

Lead is 1.56 ppb, 10% of the action level. PFAS has never been sampled at this system.

C

Montague earns a C for water quality

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

Lead: 1.56 ppb — 10% of the federal action level
PFAS never sampled at this system
3 violations since 2015, 2 health-based
1 violation currently open
Montague's lead level vs. all California community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.56 ppb — 10% of the federal action level
✓ Lower lead than 72% of California utilities
Population Served
1226
~536 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
1
1 open of 3 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
10% of EPA action level
1.56 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.56 ppb, 10% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2019 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 3 recorded since 2015 (2 health-based).

About the Main Water System

Utility Montague, City Of
PWSID CA4710007
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,226
Service connections 536
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Montague tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 1.56 ppb, 10% of the action level.
Does Montague water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Montague? ▼
Montague, City Of (PWSID CA4710007). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-03-20. No significant deficiencies were recorded.

What Should Montague 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.

Nearby Cities in California

Yreka, Ca Tap Water Quality 2026 Siskiyou Mount Shasta, Ca Tap Water Quality 2026 Siskiyou Weed, Ca Tap Water Quality 2026 Siskiyou Lake Shastina, Ca Tap Water Quality 2026 Siskiyou Dunsmuir, Ca Tap Water Quality 2026 Siskiyou McCloud, Ca Tap Water Quality 2026 Siskiyou