F8/100
CITY OF PORTOLA — Water Quality Report 2026
Serving 2,100 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3210003
Violations
17
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.50 mg/L | 1.30 mg/L | Over Limit |
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 2013.
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 PORTOLA
Is CITY OF PORTOLA water safe to drink?
CITY OF PORTOLA water receives a grade of F (8/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 17 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF PORTOLA detected?
2 contaminants were tested in CITY OF PORTOLA's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CITY OF PORTOLA have any EPA violations?
Yes, CITY OF PORTOLA has 17 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, Other. 16 are health-based violations.
How many people does CITY OF PORTOLA serve?
CITY OF PORTOLA serves approximately 2,100 people, California. The system provides water to 1 community: Portola.
What type of water does CITY OF PORTOLA provide?
CITY OF PORTOLA 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 CA3210003.
How does CITY OF PORTOLA compare to other utilities in California?
CITY OF PORTOLA scores 8/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.