A100/100
WHITTIER-CITY, WATER DEPT. — Water Quality Report 2026
Serving 49,954 people · California
Water Source
Groundwater
County
—
System ID
CA1910173
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.520 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 WHITTIER-CITY, WATER DEPT.
Is WHITTIER-CITY, WATER DEPT. water safe to drink?
WHITTIER-CITY, WATER DEPT. water receives a grade of A (100/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WHITTIER-CITY, WATER DEPT. detected?
66 contaminants were tested in WHITTIER-CITY, WATER DEPT.'s water. Notable contaminants include 1,4-dioxane. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WHITTIER-CITY, WATER DEPT. have any EPA violations?
No, WHITTIER-CITY, WATER DEPT. has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does WHITTIER-CITY, WATER DEPT. serve?
WHITTIER-CITY, WATER DEPT. serves approximately 49,954 people, California. The system provides water to 1 community: Whittier.
What type of water does WHITTIER-CITY, WATER DEPT. provide?
WHITTIER-CITY, WATER DEPT. sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1910173.
How does WHITTIER-CITY, WATER DEPT. compare to other utilities in California?
WHITTIER-CITY, WATER DEPT. scores 100/100 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.