F0/100
US ARMY FORT IRWIN — Water Quality Report 2026
Serving 15,701 people · California
Water Source
Groundwater
County
—
System ID
CA3610705
Violations
61
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 630.00 µg/L | — | Above Goal |
molybdenum | 59.00 µg/L | — | Above Goal |
vanadium | 51.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 US ARMY FORT IRWIN
Is US ARMY FORT IRWIN water safe to drink?
US ARMY FORT IRWIN water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 61 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has US ARMY FORT IRWIN detected?
73 contaminants were tested in US ARMY FORT IRWIN's water. Notable contaminants include chlorate, molybdenum, vanadium. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does US ARMY FORT IRWIN have any EPA violations?
Yes, US ARMY FORT IRWIN has 61 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, MCL. 60 are health-based violations.
How many people does US ARMY FORT IRWIN serve?
US ARMY FORT IRWIN serves approximately 15,701 people, California.
What type of water does US ARMY FORT IRWIN provide?
US ARMY FORT IRWIN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA3610705.
How does US ARMY FORT IRWIN compare to other utilities in California?
US ARMY FORT IRWIN scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.