A86/100
THERMALITO WATER & SEWER DIST — Water Quality Report 2026
Serving 12,136 people · California
Water Source
Surface Water
County
—
System ID
CA0410008
Violations
6
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – December 13, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 THERMALITO WATER & SEWER DIST
Is THERMALITO WATER & SEWER DIST water safe to drink?
THERMALITO WATER & SEWER DIST water receives a grade of A (86/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has THERMALITO WATER & SEWER DIST detected?
34 contaminants were tested in THERMALITO WATER & SEWER DIST's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does THERMALITO WATER & SEWER DIST have any EPA violations?
Yes, THERMALITO WATER & SEWER DIST has 6 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL. 2 are health-based violations.
How many people does THERMALITO WATER & SEWER DIST serve?
THERMALITO WATER & SEWER DIST serves approximately 12,136 people, California.
What type of water does THERMALITO WATER & SEWER DIST provide?
THERMALITO WATER & SEWER DIST sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA0410008.
How does THERMALITO WATER & SEWER DIST compare to other utilities in California?
THERMALITO WATER & SEWER DIST scores 86/100 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.