A86/100
SUBURBAN WATER SYSTEMS-WHITTIER — Water Quality Report 2026
Serving 66,045 people · California
Water Source
Groundwater
County
—
System ID
CA1910174
Violations
0
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.013 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.006 µg/L | 0.004 µg/L | Over Limit |
1,4-dioxane | 0.540 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About SUBURBAN WATER SYSTEMS-WHITTIER
Is SUBURBAN WATER SYSTEMS-WHITTIER water safe to drink?
SUBURBAN WATER SYSTEMS-WHITTIER water receives a grade of A (86/100), which is considered excellent. Out of 66 contaminants tested, 2 exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SUBURBAN WATER SYSTEMS-WHITTIER detected?
66 contaminants were tested in SUBURBAN WATER SYSTEMS-WHITTIER's water. Notable contaminants include PFOS, PFOA, 1,4-dioxane. 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does SUBURBAN WATER SYSTEMS-WHITTIER have any EPA violations?
No, SUBURBAN WATER SYSTEMS-WHITTIER has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does SUBURBAN WATER SYSTEMS-WHITTIER serve?
SUBURBAN WATER SYSTEMS-WHITTIER serves approximately 66,045 people, California.
What type of water does SUBURBAN WATER SYSTEMS-WHITTIER provide?
SUBURBAN WATER SYSTEMS-WHITTIER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1910174.
How does SUBURBAN WATER SYSTEMS-WHITTIER compare to other utilities in California?
SUBURBAN WATER SYSTEMS-WHITTIER scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.