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Wyoming County, New York — public water systems

At a glance

94 active public water systems are filed under Wyoming County, New York in EPA's SDWIS records, together reporting 31,590 people served. The largest is Warsaw Village, which reports serving 3,850 people. 23 are community water systems serving people where they live; the other 71 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

94

Population served

31.6K

Community systems

23

Groundwater share

88.3%

How does Wyoming County compare with other New York counties?

Wyoming County has the 33rd-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 31,590 people served in total, the 50th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 336 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 Wyoming County's drinking water come from?

By primary water source, Wyoming County's active systems draw on groundwater (81, 86%), purchased surface water (8, 8.5%), surface water (3, 3.2%) and groundwater under influence of surface water (1, 1.1%). Overall, 88% rely mainly on groundwater (including purchased groundwater) and 12% 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, Warsaw Village, draws primarily on surface water.

What kinds of water systems operate in Wyoming County?

Wyoming County's active systems break down as 23 community systems (24%), 4 non-transient non-community systems (4.3%) and 67 transient non-community systems (71%). 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 (78%), local government (16%), state government (4.3%) and public/private partnership (2.1%).

The 50 largest water systems in Wyoming County

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Active public water systems in Wyoming County, New York
#Water systemCountyPopulation servedTypeSource
1Warsaw VillageWyoming3,850CommunitySurface water
2Perry VillageWyoming3,673CommunitySurface water
3Attica VillageWyoming2,659CommunitySurface water
4Arcade VillageWyoming2,630CommunityGroundwater
5Attica CorrectionalWyoming2,000CommunityPurchased surface water
6Wyoming CorrectionalWyoming1,600CommunityPurchased surface water
7Letchworth Central Sch Dist #1Wyoming1,475Non-transient non-communityGroundwater
8Castile VillageWyoming1,135CommunityGroundwater
9Silver Springs VillageWyoming850CommunityGroundwater
10Woodstream CampsiteWyoming635Transient non-communityGroundwater
11Wyoming VillageWyoming490CommunityGroundwater
12Arcade Valley EstatesWyoming450CommunityPurchased groundwater
13Silver Lake Institute - Castile Wd #1Wyoming440CommunityPurchased surface water
14Winola PlazaWyoming399Transient non-communityGroundwater
15Pike TownWyoming375CommunityGroundwater
16Varysburg Hill Village CampgroundWyoming360Transient non-communityGroundwater
17Letchworth State Park - AdministrationWyoming350Non-transient non-communityGroundwater
18Varysburg Water District #1Wyoming350CommunityGroundwater
19Faun Lake Association Inc.Wyoming300Non-transient non-communityGroundwater
20Kenlee HavenWyoming300Transient non-communityGroundwater
21F /W CampgroundsWyoming300Transient non-communityGroundwater
22North Java Water DistrictWyoming270CommunityGroundwater
23Beaver Meadow Family Camp HillcrestWyoming250Transient non-communityGroundwater
24Bliss Water SupplyWyoming250CommunityGroundwater
25Mockingbird ParkWyoming250Transient non-communityGroundwater
26Mockingbird Park OfficeWyoming250Transient non-communityGroundwater
27Dream Lake CampgroundWyoming225Transient non-communityGroundwater
28Jellystone-Wny Sun TrsWyoming200Transient non-communityGroundwater
29Byrncliff Country ClubWyoming200Transient non-communityGroundwater
30Hickory Hill CampWyoming200Transient non-communityGroundwater
31Sam Wood CampWyoming200Transient non-communityGroundwater
32Wyoming County International SpeedwayWyoming200Transient non-communityGroundwater
33Cowlesville Water DistrictWyoming175CommunityPurchased surface water
34Highland Glens SubdivisionWyoming160CommunityGroundwater
35Ymca Camp Weona KitchenWyoming160Transient non-communityGroundwater
36Perry Center Water DistrictWyoming150CommunityPurchased surface water
37Bennington Park CampWyoming150Transient non-communityGroundwater
38Bennington Bar and GrillWyoming150Transient non-communityGroundwater
39Hilltop Acres MHPWyoming140CommunityGroundwater
40Warsaw Town Water DistrictWyoming140CommunityPurchased surface water
41Markin TubingWyoming130Non-transient non-communityGroundwater
42BrooksholmWyoming100Transient non-communityGroundwater
43Lantzs Bulk FoodsWyoming100Transient non-communityGroundwater
44Bliss Summit Bible Club CampWyoming100Transient non-communityGroundwater
45Hogans Food MarketWyoming100Transient non-communityGroundwater
46Glossers Soft ServeWyoming100Transient non-communityGroundwater
47Creekside ConvenienceWyoming100Transient non-communityGroundwater
48Beaver Meadow Fam Camp High MeadowWyoming100Transient non-communityGroundwater
49Hidden Valley Animal AdventureWyoming100Transient non-communityGroundwater
50Woodstream Camp Jordan RoadWyoming100Transient non-communityGroundwater

All other water systems in Wyoming County (44)

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

Wyoming County water systems: frequently asked questions

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

EPA's SDWIS records file 94 active public water systems under Wyoming County, New York: 23 community systems (24%), 4 non-transient non-community systems (4.3%) and 67 transient non-community systems (71%).

Who supplies drinking water in Wyoming County, NY?

The largest community water systems filed under Wyoming County are Warsaw Village (3,850 people served), Perry Village (3,673 people served) and Attica Village (2,659 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 Wyoming County's drinking water come from groundwater or surface water?

Of the 94 active public water systems in Wyoming County, 88% draw mainly on groundwater and 12% on surface water, counting purchased supplies. The largest system, Warsaw Village, uses surface water.

Where can I find a water quality report for Wyoming 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. 23 community systems are filed under Wyoming 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 Wyoming 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 Wyoming County, New York”, https://aquacensus.com/water-systems/new-york/wyoming (data as of October 1, 2026).