B78/100
CITY OF ARCADIA — Water Quality Report 2026
Serving 51,361 people · California
Water Source
Groundwater
County
—
System ID
CA1910003
Violations
9
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 290.00 µg/L | — | Above Goal |
vanadium | 44.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 CITY OF ARCADIA
Is CITY OF ARCADIA water safe to drink?
CITY OF ARCADIA water receives a grade of B (78/100), which is considered good. Out of 73 contaminants tested, none exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CITY OF ARCADIA detected?
73 contaminants were tested in CITY OF ARCADIA's water. Notable contaminants include Lead (90th percentile), chlorate, vanadium. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does CITY OF ARCADIA have any EPA violations?
Yes, CITY OF ARCADIA has 9 EPA violation(s) on record, with the most recent in 2016. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does CITY OF ARCADIA serve?
CITY OF ARCADIA serves approximately 51,361 people, California. The system provides water to 1 community: Arcadia.
What type of water does CITY OF ARCADIA provide?
CITY OF ARCADIA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1910003.
How does CITY OF ARCADIA compare to other utilities in California?
CITY OF ARCADIA scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.