B60/100
CITY OF EAST PALO ALTO — Water Quality Report 2026
Serving 29,519 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA4110024
Violations
12
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 EAST PALO ALTO
Is CITY OF EAST PALO ALTO water safe to drink?
CITY OF EAST PALO ALTO water receives a grade of B (60/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF EAST PALO ALTO detected?
69 contaminants were tested in CITY OF EAST PALO ALTO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF EAST PALO ALTO have any EPA violations?
Yes, CITY OF EAST PALO ALTO has 12 EPA violation(s) on record, with the most recent in 2015. Violation types include TT, MCL, MR. 7 are health-based violations.
How many people does CITY OF EAST PALO ALTO serve?
CITY OF EAST PALO ALTO serves approximately 29,519 people, California. The system provides water to 1 community: East Palo Alto.
What type of water does CITY OF EAST PALO ALTO provide?
CITY OF EAST PALO ALTO sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA4110024.
How does CITY OF EAST PALO ALTO compare to other utilities in California?
CITY OF EAST PALO ALTO scores 60/100 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.