A95/100
SUBURBAN WATER SYSTEMS-GLENDORA — Water Quality Report 2026
Serving 5,249 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA1910046
Violations
1
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1993.
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 SUBURBAN WATER SYSTEMS-GLENDORA
Is SUBURBAN WATER SYSTEMS-GLENDORA water safe to drink?
SUBURBAN WATER SYSTEMS-GLENDORA water receives a grade of A (95/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SUBURBAN WATER SYSTEMS-GLENDORA detected?
34 contaminants were tested in SUBURBAN WATER SYSTEMS-GLENDORA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SUBURBAN WATER SYSTEMS-GLENDORA have any EPA violations?
Yes, SUBURBAN WATER SYSTEMS-GLENDORA has 1 EPA violation(s) on record, with the most recent in 1993. Violation types include TT. 1 are health-based violations.
How many people does SUBURBAN WATER SYSTEMS-GLENDORA serve?
SUBURBAN WATER SYSTEMS-GLENDORA serves approximately 5,249 people, California.
What type of water does SUBURBAN WATER SYSTEMS-GLENDORA provide?
SUBURBAN WATER SYSTEMS-GLENDORA 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 CA1910046.
How does SUBURBAN WATER SYSTEMS-GLENDORA compare to other utilities in California?
SUBURBAN WATER SYSTEMS-GLENDORA scores 95/100 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.