Public water system · VT0005139
ActiveGrand Isle Fire District 4
At a glance
Grand Isle Fire District 4 (PWSID VT0005139) is an active community water system in Grand Isle County, Vermont. It reports serving 1,078 people through 365 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,078
Service connections
365
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Grand Isle Fire District 4 compare with other water systems in Grand Isle County?
By EPA's size categories, Grand Isle Fire District 4 is a small system (501 to 3,300 people). Grand Isle County has 27 active public water systems, and Grand Isle Fire District 4 is the 3rd-largest of them by population served. Its population served is about 143% above the county average of 443 people per system, and accounts for 9% of the 11,967 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 Grand Isle Fire District 4 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 45 Vermont systems (3.3%) list surface water as their primary source.
Who owns and regulates Grand Isle Fire District 4?
EPA lists Grand Isle Fire District 4 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. 7 of the 27 active systems in Grand Isle County (26%) are also owned by a local government.
Does Grand Isle Fire District 4 have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between May 2008 and October 2023. By type: 10 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2022-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 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.
Grand Isle Fire District 4: frequently asked questions
Who runs Grand Isle Fire District 4?
Grand Isle Fire District 4 (PWSID VT0005139) is a community water system owned by a local government. It is regulated by the VT state drinking water program.
How many people does Grand Isle Fire District 4 serve?
Grand Isle Fire District 4 reports serving 1,078 people through 365 service connections in Grand Isle County, Vermont.
Where does Grand Isle Fire District 4 get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Grand Isle Fire District 4 have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2023. 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 Grand Isle Fire District 4'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 10 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.
Where can I find Grand Isle Fire District 4's water quality report?
As a community water system, Grand Isle Fire District 4 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 Grand Isle County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| North Hero Water System | Grand Isle | 2,750 | Community | Surface water |
| Grand Isle Consolidated Water District | Grand Isle | 1,600 | Community | Surface water |
| Apple Island Resort | Grand Isle | 900 | Transient non-community | Surface water |
| Alburg Rv Resort | Grand Isle | 860 | Transient non-community | Groundwater |
| Goose Point Campground | Grand Isle | 802 | Transient non-community | Groundwater |
| South Hero Fire District 4 | Grand Isle | 760 | Community | Surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Grand Isle Fire District 4, PWSID VT0005139, Vermont”, https://aquacensus.com/water-systems/vermont/grand-isle-fire-district-4-vt0005139 (data as of October 1, 2026).