A84/100
HILMAR COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 5,504 people · California
Water Source
Groundwater
County
—
System ID
CA2410012
Violations
4
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 HILMAR COUNTY WATER DISTRICT
Is HILMAR COUNTY WATER DISTRICT water safe to drink?
HILMAR COUNTY WATER DISTRICT water receives a grade of A (84/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HILMAR COUNTY WATER DISTRICT detected?
31 contaminants were tested in HILMAR COUNTY WATER DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HILMAR COUNTY WATER DISTRICT have any EPA violations?
Yes, HILMAR COUNTY WATER DISTRICT has 4 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MCL. 3 are health-based violations.
How many people does HILMAR COUNTY WATER DISTRICT serve?
HILMAR COUNTY WATER DISTRICT serves approximately 5,504 people, California.
What type of water does HILMAR COUNTY WATER DISTRICT provide?
HILMAR COUNTY WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2410012.
How does HILMAR COUNTY WATER DISTRICT compare to other utilities in California?
HILMAR COUNTY WATER DISTRICT scores 84/100 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.