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Whitley Gardens, CA Tap Water Quality 2026

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

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

Main Utility: Green River Mutual Water Co. PWSID: CA4000554 Updated: 2026 Q2
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1 violation currently open

Lead is 0.50 ppb, 3% of the action level. PFAS has never been sampled at this system.

C

Whitley Gardens earns a C for water quality

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

Lead: 0.50 ppb — 3% of the federal action level
PFAS never sampled at this system
5 violations since 2015, 2 health-based
1 violation currently open
Whitley Gardens's lead level vs. all California community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.50 ppb — 3% of the federal action level
✓ Lower lead than 99% of California utilities
Population Served
317
~124 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 5 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
3% of EPA action level
0.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.50 ppb, 3% 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
Selenium MCL EXCEEDANCE 140 UG/L 0.05 mg/L 2021 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Nitrate MONITORING AND REPORTING — 10 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

1 violation remains open, out of 5 recorded since 2015 (2 health-based).

About the Main Water System

Utility Green River Mutual Water Co.
PWSID CA4000554
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 317
Service connections 124
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Whitley Gardens tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 0.50 ppb, 3% of the action level.
Does Whitley Gardens 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 Whitley Gardens? ▼
Green River Mutual Water Co. (PWSID CA4000554). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-04-02. No significant deficiencies were recorded.

What Should Whitley Gardens 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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