Public water system · VT0020562
ActiveNorth Hero Water System
At a glance
North Hero Water System (PWSID VT0020562) is an active community water system in Grand Isle County, Vermont. It reports serving 2,750 people through 577 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in July 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,750
Service connections
577
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does North Hero Water System compare with other water systems in Grand Isle County?
By EPA's size categories, North Hero Water System is a small system (501 to 3,300 people). Grand Isle County has 27 active public water systems, and North Hero Water System is the largest of them by population served. Its population served is about 6.2 times the county average of 443 people per system, and accounts for 23% 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 North Hero Water System is about 59% 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 North Hero Water System?
EPA lists North Hero Water System 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 North Hero Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in July 2013. The violations listed here began between October 2008 and July 2013. By type: 11 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (7 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2009-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2008-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
The 12 most recent 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.
North Hero Water System: frequently asked questions
Who runs North Hero Water System?
North Hero Water System (PWSID VT0020562) is a community water system owned by a local government. It is regulated by the VT state drinking water program.
How many people does North Hero Water System serve?
North Hero Water System reports serving 2,750 people through 577 service connections in Grand Isle County, Vermont.
Where does North Hero Water System 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 North Hero Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in July 2013. 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 North Hero Water System'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. Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in July 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.
Where can I find North Hero Water System's water quality report?
As a community water system, North Hero Water System 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 |
|---|---|---|---|---|
| Grand Isle Consolidated Water District | Grand Isle | 1,600 | Community | Surface water |
| Grand Isle Fire District 4 | Grand Isle | 1,078 | 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 |
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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, “North Hero Water System, PWSID VT0020562, Vermont”, https://aquacensus.com/water-systems/vermont/north-hero-water-system-vt0020562 (data as of October 1, 2026).