A98/100
South Burlington Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 30,799 residents · Vermont
What's In South Burlington's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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
Water Utility Details
SOUTH BURLINGTON CITY WATER SYSTEM
Population Served
19,500
Water Source
Purchased Surface Water
System ID
VT0005091
COLCHESTER WATER SYSTEM
Population Served
11,299
Water Source
Purchased Surface Water
System ID
VT0021810
Frequently Asked Questions About South Burlington Water
Is South Burlington tap water safe to drink?
South Burlington, Vermont tap water receives a grade of A (98/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in South Burlington's water?
69 contaminants were tested in South Burlington's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does South Burlington have any water quality violations?
Yes, South Burlington has 4 EPA violation(s) on record, with the most recent in 2025. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in South Burlington?
South Burlington water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does South Burlington's tap water come from?
South Burlington's drinking water is sourced from purchased surface water and supplied by SOUTH BURLINGTON CITY WATER SYSTEM and 1 other water system(s). The system serves approximately 30,799 people. Surface water sources include rivers, lakes, and reservoirs.
How often is South Burlington's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. South Burlington's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does South Burlington's water compare to other cities in Vermont?
South Burlington's water quality score of 98/100 earns a grade of A, which is considered excellent. This places South Burlington among the better-performing water systems in Vermont. Visit our Vermont state page to see how all cities in the state compare.
What should I do if I'm concerned about South Burlington's water quality?
If you have concerns about South Burlington's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (SOUTH BURLINGTON CITY WATER SYSTEM) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.