A85/100
WESTERN HEIGHTS WATER COMPANY — Water Quality Report 2026
Serving 7,705 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3610053
Violations
3
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2006.
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 WESTERN HEIGHTS WATER COMPANY
Is WESTERN HEIGHTS WATER COMPANY water safe to drink?
WESTERN HEIGHTS WATER COMPANY water receives a grade of A (85/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has WESTERN HEIGHTS WATER COMPANY detected?
34 contaminants were tested in WESTERN HEIGHTS WATER COMPANY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does WESTERN HEIGHTS WATER COMPANY have any EPA violations?
Yes, WESTERN HEIGHTS WATER COMPANY has 3 EPA violation(s) on record, with the most recent in 2006. Violation types include MCL. 3 are health-based violations.
How many people does WESTERN HEIGHTS WATER COMPANY serve?
WESTERN HEIGHTS WATER COMPANY serves approximately 7,705 people, California.
What type of water does WESTERN HEIGHTS WATER COMPANY provide?
WESTERN HEIGHTS WATER COMPANY 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 CA3610053.
How does WESTERN HEIGHTS WATER COMPANY compare to other utilities in California?
WESTERN HEIGHTS WATER COMPANY scores 85/100 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.