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Essex County, New York — public water systems

At a glance

137 active public water systems are filed under Essex County, New York in EPA's SDWIS records, together reporting 44,127 people served. The largest is Lake Placid V, which reports serving 5,000 people. 33 are community water systems serving people where they live; the other 104 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

137

Population served

44.1K

Community systems

33

Groundwater share

89.8%

How does Essex County compare with other New York counties?

Essex County has the 22nd-most active public water systems among the 100 counties listed for active New York systems in EPA records; among the 64 with 3 or more systems, the median has 94. Its systems report 44,127 people served in total, the 43rd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 322 people, well below the New York average of 2,374. 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 Essex County's drinking water come from?

By primary water source, Essex County's active systems draw on groundwater (122, 89%), surface water (14, 10%) and purchased groundwater (1, 0.7%). Overall, 90% rely mainly on groundwater (including purchased groundwater) and 10% on surface water, compared with 91% and 8.5% across New York. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Lake Placid V, draws primarily on surface water.

What kinds of water systems operate in Essex County?

Essex County's active systems break down as 33 community systems (24%), 4 non-transient non-community systems (2.9%) and 100 transient non-community systems (73%). 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 (61%), local government (23%), state government (15%) and public/private partnership (1.5%).

The 50 largest water systems in Essex County

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Active public water systems in Essex County, New York
#Water systemCountyPopulation servedTypeSource
1Lake Placid VEssex5,000CommunitySurface water
2Ticonderoga WdEssex3,700CommunitySurface water
3Moriah WdEssex3,100CommunitySurface water
4Schroon Lake WdEssex2,750CommunityGroundwater
5Adirondack Correctional FacilityEssex2,400CommunitySurface water
6Chesterfield WdEssex2,300CommunitySurface water
7Port Henry WdEssex1,831CommunitySurface water
8Willsboro WdEssex1,571CommunitySurface water
9Wilmington WdEssex980CommunitySurface water
10Bloomingdale WdEssex980CommunityGroundwater
11Crown Point WdEssex980CommunityGroundwater
12Westport WdEssex927CommunityGroundwater
13Ausable Chasm CompanyEssex900Transient non-communityGroundwater
14Ausable Forks WdEssex900CommunityGroundwater
15Forever Wild Water Co-SignorEssex900CommunityGroundwater
16Elizabethtown WdEssex800CommunityGroundwater
17Minerva WdEssex800CommunityGroundwater
18Keene Valley WdEssex660CommunityGroundwater
19Jay WdEssex500CommunityGroundwater
20Frontier Town Campground & EquestrianEssex430Transient non-communityGroundwater
21Lewis WdEssex428CommunityGroundwater
22Santas WorkshopEssex400Transient non-communityGroundwater
23Ray Brook WdEssex400CommunityGroundwater
24Port Kent CampsiteEssex350Transient non-communityGroundwater
25Essex WdEssex350CommunitySurface water
26Camp SouthwoodsEssex320Transient non-communityGroundwater
27Ausable ClubEssex300Transient non-communityGroundwater
28Medcalf Acres CampsiteEssex300Transient non-communityGroundwater
29Keene WdEssex300CommunityGroundwater
30Blue Ridge Falls CampsiteEssex250Transient non-communityGroundwater
31Edgemont Wedding BarnEssex250Transient non-communityGroundwater
32Whiteface Mt Legacy Lodge (Mid-Station)Essex250Transient non-communityGroundwater
33Winebrook Hills WdEssex250CommunityGroundwater
34Drapers AcresEssex240CommunityGroundwater
35Upper Jay WdEssex234CommunityPurchased groundwater
36Brookwood Rv ResortEssex200Transient non-communityGroundwater
37Spacious Skies Adirondack PeaksEssex200Transient non-communityGroundwater
38Camp Che-Na-WahEssex200Transient non-communityGroundwater
39Camp BacoEssex199Transient non-communityGroundwater
40Crown Point SpcEssex175Transient non-communityGroundwater
41On the River CampgroundEssex170Transient non-communityGroundwater
42Port Kent WdEssex158CommunitySurface water
43Putnam Pond SpcEssex150Transient non-communityGroundwater
44Newcomb Cafe & CampgroundEssex150Transient non-communityGroundwater
45Paradox Lake SpcEssex150Transient non-communityGroundwater
46Once Upon A TimeEssex150Transient non-communityGroundwater
47Willsboro Bay Water SupplyEssex140Transient non-communitySurface water
48Mountain Lake AcademyEssex136CommunityGroundwater
49Crater Club Water SupplyEssex132Transient non-communitySurface water
50Pyramid Life CenterEssex130Transient non-communityGroundwater

All other water systems in Essex County (87)

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

Essex County water systems: frequently asked questions

How many public water systems are in Essex County, New York?

EPA's SDWIS records file 137 active public water systems under Essex County, New York: 33 community systems (24%), 4 non-transient non-community systems (2.9%) and 100 transient non-community systems (73%).

Who supplies drinking water in Essex County, NY?

The largest community water systems filed under Essex County are Lake Placid V (5,000 people served), Ticonderoga Wd (3,700 people served) and Moriah Wd (3,100 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 Essex County's drinking water come from groundwater or surface water?

Of the 137 active public water systems in Essex County, 90% draw mainly on groundwater and 10% on surface water, counting purchased supplies. The largest system, Lake Placid V, uses surface water.

Where can I find a water quality report for Essex 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. 33 community systems are filed under Essex 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 Essex 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 New York 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 Essex County, New York”, https://aquacensus.com/water-systems/new-york/essex (data as of October 1, 2026).