Public water system record
Williston Water Dept
Serves an area of Chittenden County, VT · 7,259 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Williston Water Dept in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Williston Water Dept buys its water from Champlain Water District.
- Lead pipe inventory: 0 lead and 0 unknown out of 3,017 service lines.
Check whether Williston Water Dept serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Where the water comes from
Williston Water Dept buys its water from Champlain Water District. It lists no wells or intakes of its own. 1 other community water system buys water from Williston Water Dept.
Buys water from
- Champlain Water District South Burlington, VT
Community systems that buy water from it
- Oak Hill Estates Water System Williston, VT
Annual water quality report
Williston Water Dept must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Vermont.
Certified drinking water labs by state EPA guidance for private wells