States ›California ›Shasta County ›Anderson

Anderson, CA Tap Water Quality 2026

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

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

Main Utility: City Of Anderson PWSID: CA4510001 Updated: 2026 Q2
🚨

1 violation currently open

Lead is 2.40 ppb, 16% of the action level. PFAS was sampled but not enough times for a compliance determination.

C

Anderson earns a C for water quality

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

Lead: 2.40 ppb — 16% of the federal action level
PFAS sampled, too few results to judge
3 violations since 2015, 1 health-based
1 violation currently open
Anderson's lead level vs. all California community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.40 ppb — 16% of the federal action level
✓ Lower lead than 49% of California utilities
Population Served
11128
~3612 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 3 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
16% of EPA action level
2.40 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.40 ppb, 16% 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
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 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 (1 health-based).

About the Main Water System

Utility City Of Anderson
PWSID CA4510001
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 11,128
Service connections 3,612
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Anderson tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 2.40 ppb, 16% of the action level.
Does Anderson water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Anderson? ▼
City Of Anderson (PWSID CA4510001), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2022-12-21. No significant deficiencies were recorded.

What Should Anderson 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

Redding, Ca Tap Water Quality 2026 Shasta Shasta Lake, Ca Tap Water Quality 2026 Shasta Cottonwood, Ca Tap Water Quality 2026 Shasta Happy Valley, Ca Tap Water Quality 2026 Shasta Bella Vista, Ca Tap Water Quality 2026 Shasta Burney, Ca Tap Water Quality 2026 Shasta