A90/100
HESPERIA WD — Water Quality Report 2026
Serving 100,744 people · California
Water Source
Groundwater
County
—
System ID
CA3610024
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 35.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 HESPERIA WD
Is HESPERIA WD water safe to drink?
HESPERIA WD water receives a grade of A (90/100), which is considered excellent. Out of 73 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HESPERIA WD detected?
73 contaminants were tested in HESPERIA WD's water. Notable contaminants include vanadium. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HESPERIA WD have any EPA violations?
Yes, HESPERIA WD has 3 EPA violation(s) on record, with the most recent in 2010. Violation types include MR, MCL. 1 are health-based violations.
How many people does HESPERIA WD serve?
HESPERIA WD serves approximately 100,744 people, California.
What type of water does HESPERIA WD provide?
HESPERIA WD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA3610024.
How does HESPERIA WD compare to other utilities in California?
HESPERIA WD scores 90/100 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.