A87/100
CITY OF MERCED — Water Quality Report 2026
Serving 93,692 people · California
Water Source
Groundwater
County
—
System ID
CA2410009
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 32.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2001.
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 MERCED
Is CITY OF MERCED water safe to drink?
CITY OF MERCED water receives a grade of A (87/100), which is considered excellent. Out of 73 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CITY OF MERCED detected?
73 contaminants were tested in CITY OF MERCED's water. Notable contaminants include vanadium. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF MERCED have any EPA violations?
Yes, CITY OF MERCED has 2 EPA violation(s) on record, with the most recent in 2001. Violation types include MCL. 2 are health-based violations.
How many people does CITY OF MERCED serve?
CITY OF MERCED serves approximately 93,692 people, California. The system provides water to 1 community: Merced.
What type of water does CITY OF MERCED provide?
CITY OF MERCED sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2410009.
How does CITY OF MERCED compare to other utilities in California?
CITY OF MERCED scores 87/100 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.