Addison County, Vermont — public water systems
At a glance
70 active public water systems are filed under Addison County, Vermont in EPA's SDWIS records, together reporting 32,655 people served. The largest is Middlebury Water Dept, which reports serving 9,379 people. 9 are community water systems serving people where they live; the other 61 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
70
Population served
32.7K
Community systems
9
Groundwater share
95.7%
How does Addison County compare with other Vermont counties?
Addison County has the 9th-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 32,655 people served in total, the 8th-largest county figure in the state and 5% of the statewide total. The average system here reports serving 467 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 Addison County's drinking water come from?
By primary water source, Addison County's active systems draw on groundwater (67, 96%) and surface water (3, 4.3%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 4.3% 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, Middlebury Water Dept, draws primarily on groundwater.
What kinds of water systems operate in Addison County?
Addison County's active systems break down as 9 community systems (13%), 17 non-transient non-community systems (24%) and 44 transient non-community systems (63%). 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 (70%), local government (23%), state government (4.3%) and federal government (1.4%).
The 50 largest water systems in Addison County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Middlebury Water Dept | Addison | 9,379 | Community | Groundwater |
| 2 | Vergennes Panton Water District | Addison | 5,100 | Community | Surface water |
| 3 | Tri Town Water District | Addison | 3,800 | Community | Surface water |
| 4 | Bristol Water Dept | Addison | 2,103 | Community | Groundwater |
| 5 | Branbury State Park | Addison | 963 | Transient non-community | Groundwater |
| 6 | Kampersville Campground and Store | Addison | 864 | Transient non-community | Groundwater |
| 7 | East Middlebury Fd 1 | Addison | 642 | Community | Groundwater |
| 8 | Long Point | Addison | 530 | Transient non-community | Groundwater |
| 9 | Beeman Elementary School | Addison | 489 | Non-transient non-community | Groundwater |
| 10 | Waterhouses Marina Campground | Addison | 471 | Transient non-community | Groundwater |
| 11 | Basin Harbor Club | Addison | 470 | Transient non-community | Surface water |
| 12 | Victory Baptist Church | Addison | 424 | Transient non-community | Groundwater |
| 13 | Dakin Farms | Addison | 400 | Transient non-community | Groundwater |
| 14 | Middlebury College Breadloaf Campus | Addison | 400 | Transient non-community | Groundwater |
| 15 | Monkton Central School | Addison | 359 | Non-transient non-community | Groundwater |
| 16 | Starksboro Village Water Coop | Addison | 350 | Community | Groundwater |
| 17 | Middlebury College Snowbowl | Addison | 333 | Transient non-community | Groundwater |
| 18 | Keewaydin Camp | Addison | 300 | Transient non-community | Groundwater |
| 19 | Rivers Bend Campground | Addison | 288 | Transient non-community | Groundwater |
| 20 | Blueberry Hill Outdoor Center | Addison | 218 | Transient non-community | Groundwater |
| 21 | Lazy Brook MHP | Addison | 205 | Community | Groundwater |
| 22 | Sunray Peace Village | Addison | 204 | Transient non-community | Groundwater |
| 23 | Bingham Memorial School | Addison | 203 | Non-transient non-community | Groundwater |
| 24 | Songadeewin of Keewaydin | Addison | 200 | Transient non-community | Groundwater |
| 25 | Salisbury School | Addison | 200 | Non-transient non-community | Groundwater |
| 26 | Green Mountain Family Campground | Addison | 194 | Transient non-community | Groundwater |
| 27 | Orwell Village School | Addison | 189 | Non-transient non-community | Groundwater |
| 28 | Leicester Central School | Addison | 176 | Non-transient non-community | Groundwater |
| 29 | Addison County Home Health and Hospice | Addison | 175 | Non-transient non-community | Groundwater |
| 30 | Country Village Campground | Addison | 166 | Transient non-community | Groundwater |
| 31 | Monkton Town Offices - Methodist Church | Addison | 155 | Transient non-community | Groundwater |
| 32 | Camp Common Ground | Addison | 154 | Transient non-community | Groundwater |
| 33 | Lincoln Community School | Addison | 150 | Non-transient non-community | Groundwater |
| 34 | Killooleet Camp | Addison | 138 | Transient non-community | Groundwater |
| 35 | Brookside MHP | Addison | 135 | Community | Groundwater |
| 36 | Mount Independence State Historic Site | Addison | 126 | Transient non-community | Groundwater |
| 37 | The Tillerman | Addison | 124 | Transient non-community | Groundwater |
| 38 | Silver Towers Camp | Addison | 120 | Transient non-community | Groundwater |
| 39 | Weybridge Elementary School | Addison | 114 | Non-transient non-community | Groundwater |
| 40 | Ripton Elementary School | Addison | 107 | Non-transient non-community | Groundwater |
| 41 | Camp Thorpe | Addison | 95 | Transient non-community | Groundwater |
| 42 | Kampersville Campground - Looney Lane | Addison | 88 | Transient non-community | Groundwater |
| 43 | Tourterelle Restaurant and Inn | Addison | 87 | Transient non-community | Groundwater |
| 44 | Kingsland Bay State Park | Addison | 80 | Transient non-community | Groundwater |
| 45 | Sunset Lodge | Addison | 78 | Transient non-community | Groundwater |
| 46 | Starry Night Cafe | Addison | 77 | Transient non-community | Groundwater |
| 47 | Moosalamoo Campground | Addison | 76 | Transient non-community | Groundwater |
| 48 | Blueberry Hill Inn | Addison | 74 | Transient non-community | Groundwater |
| 49 | Cameron Property | Addison | 73 | Non-transient non-community | Groundwater |
| 50 | Point Counterpoint | Addison | 66 | Transient non-community | Groundwater |
All other water systems in Addison County (20)
The remaining active systems filed under Addison County, largest first, with the population each reports serving.
- Whiting Water Corp61
- Bristol Family Center59
- Test Water System50
- Robert Frost Mountain Cabins42
- Sunrise Orchards42
- Red Cedar School40
- Maplefields - Middlebury40
- North Branch School40
- Vermont Home Bakery Old Hancock Hotel37
- North Cove Cottages36
- Vergennes Motor Inn34
- Whistlepig LLC34
- Addison County Home Health Neighbors34
- Quarry Hill School30
- Hancock Municipal Building30
- Chipman Inn29
- Orwell One Stop28
- Ferrisburgh Jolley27
- Chipman Point Marina25
- Jiffy Mart - New Haven25
Addison County water systems: frequently asked questions
How many public water systems are in Addison County, Vermont?
EPA's SDWIS records file 70 active public water systems under Addison County, Vermont: 9 community systems (13%), 17 non-transient non-community systems (24%) and 44 transient non-community systems (63%).
Who supplies drinking water in Addison County, VT?
The largest community water systems filed under Addison County are Middlebury Water Dept (9,379 people served), Vergennes Panton Water District (5,100 people served) and Tri Town Water District (3,800 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 Addison County's drinking water come from groundwater or surface water?
Of the 70 active public water systems in Addison County, 96% draw mainly on groundwater and 4.3% on surface water, counting purchased supplies. The largest system, Middlebury Water Dept, uses groundwater.
Where can I find a water quality report for Addison 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. 9 community systems are filed under Addison 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 Addison 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
- All Vermont public water systems· 1,357 active
- Bennington County· 123 systems
- Chittenden County· 96 systems
- Franklin County· 83 systems
- Orleans County· 73 systems
- Orange County· 70 systems
- Lamoille County· 69 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Addison County, Vermont”, https://aquacensus.com/water-systems/vermont/addison (data as of October 1, 2026).