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Washington County, Vermont — public water systems

At a glance

125 active public water systems are filed under Washington County, Vermont in EPA's SDWIS records, together reporting 61,286 people served. The largest is Barre City Water System, which reports serving 14,000 people. 43 are community water systems serving people where they live; the other 82 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

125

Population served

61.3K

Community systems

43

Groundwater share

94.4%

How does Washington County compare with other Vermont counties?

Washington County has the 4th-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 61,286 people served in total, the 5th-largest county figure in the state and 9.5% of the statewide total. The average system here reports serving 490 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 Washington County's drinking water come from?

By primary water source, Washington County's active systems draw on groundwater (115, 92%), surface water (5, 4%), purchased surface water (2, 1.6%) and purchased groundwater (2, 1.6%). Overall, 94% rely mainly on groundwater (including purchased groundwater) and 5.6% 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, Barre City Water System, draws primarily on surface water.

What kinds of water systems operate in Washington County?

Washington County's active systems break down as 43 community systems (34%), 28 non-transient non-community systems (22%) and 54 transient non-community systems (43%). 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 non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. 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 (75%), local government (21%) and state government (4%).

The 50 largest water systems in Washington County

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Active public water systems in Washington County, Vermont
#Water systemCountyPopulation servedTypeSource
1Barre City Water SystemWashington14,000CommunitySurface water
2Montpelier Water SystemWashington8,912CommunitySurface water
3Edward Farrar Utility DistrictWashington6,003CommunitySurface water
4Northfield Water DeptWashington5,145CommunityGroundwater
5Mountain Water CompanyWashington2,400CommunitySurface water
6Berlin Municipal Water SystemWashington1,819CommunityGroundwater
7Barre Town Water SystemWashington1,638CommunityPurchased surface water
8Central Vermont Medical CenterWashington1,528CommunityPurchased surface water
9Plainfield Water SystemWashington985CommunityGroundwater
10Harwood Union High SchoolWashington975Non-transient non-communityGroundwater
11Graniteville Fire District 4Washington700CommunityGroundwater under influence of surface water
12Twinfield Usd 33Washington453Non-transient non-communityGroundwater
13Waitsfield Water SupplyWashington450CommunityGroundwater
14Goddard CollegeWashington450Non-transient non-communityPurchased groundwater
15South VillageWashington445CommunityGroundwater
16Bridges ResortWashington440CommunityGroundwater
17Mount Ellen Base Lodgesugarbush Ski ResWashington422Transient non-communityGroundwater
18Little River State ParkWashington392Transient non-communityGroundwater
19Berlin Health Rehabilitation CtrWashington378CommunityGroundwater
20Websterville Water SystemWashington367CommunitySurface water
21Marshfield Water SystemWashington350CommunityGroundwater
22Worcester Fire District 1Washington350CommunityGroundwater
23Barre Montpelier Sda ChurchWashington314Non-transient non-communityGroundwater
24Canadian ClubWashington300Transient non-communityGroundwater
25Crystal Springs Water SystemWashington300CommunityGroundwater
26Calais Elementary SchoolWashington300Non-transient non-communityGroundwater
27American Flatbread and Lareau Farm InnWashington278Transient non-communityGroundwater
28Mad River Glen CoopWashington272Transient non-communityGroundwater
29East Montpelier Elementary SchoolWashington260Non-transient non-communityGroundwater
30Cabot Town Water SystemWashington250CommunityGroundwater
31Club Sugarbush Water SystemWashington245CommunityGroundwater
32Warren Municipal BuildingsWashington244Transient non-communityGroundwater
33Mad River Barn Annex Wedding PavilionWashington240Transient non-communityGroundwater
34Warren Elementary SchoolWashington237Non-transient non-communityGroundwater
35Powderhound CondominiumWashington237Transient non-communityGroundwater
36Fayston Elementary SchoolWashington235Non-transient non-communityGroundwater
37Rumney SchoolWashington225Non-transient non-communityGroundwater
38Westons Mobile Home ParkWashington218CommunityGroundwater
396163 Main St LLCWashington210Transient non-communityGroundwater
40Orchard Valley Waldorf SchoolWashington200Non-transient non-communityGroundwater
41Moretown Elementary SchoolWashington200Non-transient non-communityGroundwater
42East Calais Fire District 1Washington200CommunityGroundwater
43Mcneil Road Commercial ComplexWashington199Non-transient non-communityGroundwater
44Sugar Run Association Inc.Washington197CommunityGroundwater
45Roxbury Village SchoolWashington193Non-transient non-communityGroundwater
46Barre Country ClubWashington192Transient non-communityGroundwater
47Inn at the Round BarnWashington186Transient non-communityGroundwater
48Kingdom Hall - MoretownWashington184Transient non-communityGroundwater
49Big PictureWashington180Transient non-communityGroundwater
50Agri-Mark WaitsfieldWashington180Non-transient non-communityGroundwater

All other water systems in Washington County (75)

The remaining active systems filed under Washington County, largest first, with the population each reports serving.

Washington County water systems: frequently asked questions

How many public water systems are in Washington County, Vermont?

EPA's SDWIS records file 125 active public water systems under Washington County, Vermont: 43 community systems (34%), 28 non-transient non-community systems (22%) and 54 transient non-community systems (43%).

Who supplies drinking water in Washington County, VT?

The largest community water systems filed under Washington County are Barre City Water System (14,000 people served), Montpelier Water System (8,912 people served) and Edward Farrar Utility District (6,003 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 Washington County's drinking water come from groundwater or surface water?

Of the 125 active public water systems in Washington County, 94% draw mainly on groundwater and 5.6% on surface water, counting purchased supplies. The largest system, Barre City Water System, uses surface water.

Where can I find a water quality report for Washington 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. 43 community systems are filed under Washington 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 Washington 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 Washington County, Vermont”, https://aquacensus.com/water-systems/vermont/washington (data as of October 1, 2026).