Public water system · VT0005100
ActiveWilliston Fire District 1
At a glance
Williston Fire District 1 (PWSID VT0005100) is an active community water system in Chittenden County, Vermont. It reports serving 212 people through 82 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
212
Service connections
82
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Williston Fire District 1 compare with other water systems in Chittenden County?
By EPA's size categories, Williston Fire District 1 is a very small system (500 people or fewer). Chittenden County has 96 active public water systems. Its population served is well below the county average of 1,566 people per system, and accounts for 0.1% of the 150,374 people reported by systems filed under the county. Across Vermont, the 1,357 active systems average 477 people each. Nationally, the average active community water system reports serving 6,703 people, so Williston Fire District 1 is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Vermont has 405 active community water systems, 30% of the state's 1,357 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,243 Vermont systems (92%) list groundwater as their primary source.
Who owns and regulates Williston Fire District 1?
EPA lists Williston Fire District 1 as owned by a local government. The VT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 32 of the 96 active systems in Chittenden County (33%) are also owned by a local government.
Does Williston Fire District 1 have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2007. The violations listed here began between January 2006 and August 2007. By type: 3 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Gross alpha (excluding radon and uranium) and Nitrate. EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2007-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Williston Fire District 1: frequently asked questions
Who runs Williston Fire District 1?
Williston Fire District 1 (PWSID VT0005100) is a community water system owned by a local government. It is regulated by the VT state drinking water program.
How many people does Williston Fire District 1 serve?
Williston Fire District 1 reports serving 212 people through 82 service connections in Chittenden County, Vermont.
Where does Williston Fire District 1 get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Williston Fire District 1 have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2007. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Williston Fire District 1's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.
Where can I find Williston Fire District 1's water quality report?
As a community water system, Williston Fire District 1 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Chittenden County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Burlington Dept Public Works Water Div | Chittenden | 42,000 | Community | Surface water |
| South Burlington City Water System | Chittenden | 19,500 | Community | Purchased surface water |
| Colchester Water System | Chittenden | 11,299 | Community | Purchased surface water |
| Essex Town Water System | Chittenden | 9,734 | Community | Purchased surface water |
| Essex Jct Water Dept | Chittenden | 9,500 | Community | Purchased surface water |
| Winooski Water Dept | Chittenden | 8,500 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Williston Fire District 1, PWSID VT0005100, Vermont”, https://aquacensus.com/water-systems/vermont/williston-fire-district-1-vt0005100 (data as of October 1, 2026).