F13/100
ST JOHNSBURY WATER SYSTEM — Water Quality Report 2026
Serving 5,000 people · Vermont
Water Source
Surface Water
County
—
System ID
VT0005045
Violations
44
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 310.00 µg/L | — | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
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 ST JOHNSBURY WATER SYSTEM
Is ST JOHNSBURY WATER SYSTEM water safe to drink?
ST JOHNSBURY WATER SYSTEM water receives a grade of F (13/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 44 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ST JOHNSBURY WATER SYSTEM detected?
51 contaminants were tested in ST JOHNSBURY WATER SYSTEM's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ST JOHNSBURY WATER SYSTEM have any EPA violations?
Yes, ST JOHNSBURY WATER SYSTEM has 44 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 10 are health-based violations.
How many people does ST JOHNSBURY WATER SYSTEM serve?
ST JOHNSBURY WATER SYSTEM serves approximately 5,000 people, Vermont. The system provides water to 1 community: Saint Johnsbury.
What type of water does ST JOHNSBURY WATER SYSTEM provide?
ST JOHNSBURY WATER SYSTEM 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 VT0005045.
How does ST JOHNSBURY WATER SYSTEM compare to other utilities in Vermont?
ST JOHNSBURY WATER SYSTEM scores 13/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Vermont state page for a full comparison of water systems.