C52/100
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB — Water Quality Report 2026
Serving 18,111 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA4810701
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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 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 CALIFORNIA WATER SERVICE CO.-TRAVIS AFB
Is CALIFORNIA WATER SERVICE CO.-TRAVIS AFB water safe to drink?
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB water receives a grade of C (52/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 9 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CALIFORNIA WATER SERVICE CO.-TRAVIS AFB detected?
34 contaminants were tested in CALIFORNIA WATER SERVICE CO.-TRAVIS AFB's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CALIFORNIA WATER SERVICE CO.-TRAVIS AFB have any EPA violations?
Yes, CALIFORNIA WATER SERVICE CO.-TRAVIS AFB has 9 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, TT. 9 are health-based violations.
How many people does CALIFORNIA WATER SERVICE CO.-TRAVIS AFB serve?
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB serves approximately 18,111 people, California.
What type of water does CALIFORNIA WATER SERVICE CO.-TRAVIS AFB provide?
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB 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 CA4810701.
How does CALIFORNIA WATER SERVICE CO.-TRAVIS AFB compare to other utilities in California?
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB scores 52/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our California state page for a full comparison of water systems.