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Grand Isle County, Vermont — public water systems

At a glance

27 active public water systems are filed under Grand Isle County, Vermont in EPA's SDWIS records, together reporting 11,967 people served. The largest is North Hero Water System, which reports serving 2,750 people. 7 are community water systems serving people where they live; the other 20 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

27

Population served

12K

Community systems

7

Groundwater share

55.6%

How does Grand Isle County compare with other Vermont counties?

Grand Isle County has the 13th-most active public water systems among the 14 counties listed for active Vermont systems in EPA records; among the 14 with 3 or more systems, the median has 78. Its systems report 11,967 people served in total, the 13th-largest county figure in the state and 1.8% of the statewide total. The average system here reports serving 443 people, roughly in line with the Vermont average of 477. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Grand Isle County's drinking water come from?

By primary water source, Grand Isle County's active systems draw on groundwater (15, 56%), surface water (11, 41%) and purchased surface water (1, 3.7%). Overall, 56% rely mainly on groundwater (including purchased groundwater) and 44% on surface water, compared with 93% and 7% across Vermont. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, North Hero Water System, draws primarily on surface water.

What kinds of water systems operate in Grand Isle County?

Grand Isle County's active systems break down as 7 community systems (26%) and 20 transient non-community systems (74%). 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. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (74%) and local government (26%).

Water systems in Grand Isle County

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Active public water systems in Grand Isle County, Vermont
#Water systemCountyPopulation servedTypeSource
1North Hero Water SystemGrand Isle2,750CommunitySurface water
2Grand Isle Consolidated Water DistrictGrand Isle1,600CommunitySurface water
3Grand Isle Fire District 4Grand Isle1,078CommunitySurface water
4Apple Island ResortGrand Isle900Transient non-communitySurface water
5Alburg Rv ResortGrand Isle860Transient non-communityGroundwater
6Goose Point CampgroundGrand Isle802Transient non-communityGroundwater
7South Hero Fire District 4Grand Isle760CommunitySurface water
8Alburgh Village Water SystemGrand Isle576CommunitySurface water
9Lakehurst CampgroundGrand Isle506Transient non-communityGroundwater
10Sunset Rock Rv ParkGrand Isle400Transient non-communityGroundwater
11South Alburgh Fire District 2Grand Isle300CommunityPurchased surface water
12St Annes ShrineGrand Isle282Transient non-communityGroundwater
13North Hero MarinaGrand Isle181Transient non-communityGroundwater
14Camp SkylandGrand Isle180Transient non-communitySurface water
15Sunset Rock ShoresGrand Isle146Transient non-communityGroundwater
16Paradise Bay Associates Inc.Grand Isle99Transient non-communitySurface water
17Alburgh Fire District 1Grand Isle87CommunitySurface water
18Sand Bar Pub & GrillGrand Isle78Transient non-communityGroundwater
19Snow Farm WineryGrand Isle60Transient non-communityGroundwater
20Bow and Arrow MHPGrand Isle60Transient non-communitySurface water
21Mckee`S Island Pub and PizzaGrand Isle57Transient non-communityGroundwater
22Henrys Sportsmans InnGrand Isle51Transient non-communityGroundwater
23Ruthcliffe Lodge ResortGrand Isle45Transient non-communitySurface water
24Maplefields - AlburghGrand Isle34Transient non-communityGroundwater
25Alburgh Bridge JolleyGrand Isle25Transient non-communityGroundwater
26Eagles Landing Rest StopGrand Isle25Transient non-communityGroundwater
27Dollar General - Alburgh (Dgn14930)Grand Isle25Transient non-communityGroundwater

Grand Isle County water systems: frequently asked questions

How many public water systems are in Grand Isle County, Vermont?

EPA's SDWIS records file 27 active public water systems under Grand Isle County, Vermont: 7 community systems (26%) and 20 transient non-community systems (74%).

Who supplies drinking water in Grand Isle County, VT?

The largest community water systems filed under Grand Isle County are North Hero Water System (2,750 people served), Grand Isle Consolidated Water District (1,600 people served) and Grand Isle Fire District 4 (1,078 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Grand Isle County's drinking water come from groundwater or surface water?

Of the 27 active public water systems in Grand Isle County, 56% draw mainly on groundwater and 44% on surface water, counting purchased supplies. The largest system, North Hero Water System, uses surface water.

Where can I find a water quality report for Grand Isle County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 7 community systems are filed under Grand Isle County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Grand Isle County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Vermont water systems

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, “Public water systems in Grand Isle County, Vermont”, https://aquacensus.com/water-systems/vermont/grand-isle (data as of October 1, 2026).