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Chemung County, New York — public water systems

At a glance

77 active public water systems are filed under Chemung County, New York in EPA's SDWIS records, together reporting 120,180 people served. The largest is Elmira Water Board, which reports serving 54,000 people. 24 are community water systems serving people where they live; the other 53 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

77

Population served

120.2K

Community systems

24

Groundwater share

96.1%

How does Chemung County compare with other New York counties?

Chemung County has the 40th-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 120,180 people served in total, the 23rd-largest county figure in the state and 0.6% of the statewide total. The average system here reports serving 1,561 people, about 34% 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 Chemung County's drinking water come from?

By primary water source, Chemung County's active systems draw on groundwater (72, 94%), groundwater under influence of surface water (2, 2.6%), purchased surface water (2, 2.6%) and surface water (1, 1.3%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 3.9% 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, Elmira Water Board, draws primarily on surface water.

What kinds of water systems operate in Chemung County?

Chemung County's active systems break down as 24 community systems (31%), 6 non-transient non-community systems (7.8%) and 47 transient non-community systems (61%). 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 (81%), local government (17%) and state government (2.6%).

The 50 largest water systems in Chemung County

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Active public water systems in Chemung County, New York
#Water systemCountyPopulation servedTypeSource
1Elmira Water BoardChemung54,000CommunitySurface water
2Chemung County FairgroundsChemung32,800Transient non-communityPurchased surface water
3Horseheads VillageChemung15,000CommunityGroundwater under influence of surface water
4Big Flats Water District 5Chemung8,489CommunityGroundwater
5Park Station Recreation CenterChemung1,560Transient non-communityGroundwater
6His Tabernacle Family ChurchChemung850Transient non-communityGroundwater
7Wellsburg VillageChemung580CommunityPurchased surface water
8Van Etten TownChemung532CommunityGroundwater
9Breesport Baptist ChurchChemung450Non-transient non-communityGroundwater
10Pine City Elementary SchoolChemung400Non-transient non-communityGroundwater
11Beaver Valley Water DistrictChemung365CommunityGroundwater
12Carriage EstatesChemung300CommunityGroundwater
13Holly Park TerraceChemung300CommunityGroundwater
14Millport Village Water SupplyChemung292CommunityGroundwater
15Valley Trail InnChemung280Transient non-communityGroundwater
16Big Flats Water District 4Chemung266CommunityGroundwater
17Vulcraft of New YorkChemung248Non-transient non-communityGroundwater
18Collingwood LLC Umh NyChemung212CommunityGroundwater under influence of surface water
19Elmira College Murray CenterChemung208Transient non-communityGroundwater
20Able2Chemung200Non-transient non-communityGroundwater
21Westover Hills MHPChemung200CommunityGroundwater
22Thunderbird GreensChemung150CommunityGroundwater
23Chemung Elementary SchoolChemung139Non-transient non-communityGroundwater
24Erin EstatesChemung134CommunityGroundwater
25Newtown Creek Community Inc..Chemung120CommunityGroundwater
26Rolling Acres Mobile Home ParkChemung110CommunityGroundwater
27Dandy Mini Mart #57Chemung100Transient non-communityGroundwater
28Chambers Wesleyan CampChemung100Transient non-communityGroundwater
29Newtown Battlefield State ParkChemung100Transient non-communityGroundwater
30Angies Mobile Homes LLCChemung90CommunityGroundwater
31Pine Valley AcresChemung82CommunityGroundwater
32Crestwood MHPChemung80CommunityGroundwater
33Maplehurst ParkChemung75CommunityGroundwater
34Dandy Mini Mart #75Chemung70Transient non-communityGroundwater
35Sheppards Creek MHPChemung70CommunityGroundwater
36Erin Town HallChemung65Transient non-communityGroundwater
37Fratellos Pizza CompanyChemung60Transient non-communityGroundwater
38Birchland MhcChemung50CommunityGroundwater
39Twin Fawn EstatesChemung50CommunityGroundwater
40Relax InnChemung46Transient non-communityGroundwater
41Dandy Mini Mart #34Chemung35Transient non-communityGroundwater
42Sonnys BarChemung35Transient non-communityGroundwater
43Tanglewood Nature CenterChemung30Transient non-communityGroundwater
44Dandy Mini Mart #71Chemung30Transient non-communityGroundwater
45Gerows DairyChemung30Transient non-communityGroundwater
46Latitude 42 TaphouseChemung26Transient non-communityGroundwater
47On the Way (Southport)Chemung26Transient non-communityGroundwater
48Wetlands BreweryChemung26Transient non-communityGroundwater
49Last Stand, theChemung25Transient non-communityGroundwater
50Zacks Grill LLCChemung25Transient non-communityGroundwater

All other water systems in Chemung County (27)

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

Chemung County water systems: frequently asked questions

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

EPA's SDWIS records file 77 active public water systems under Chemung County, New York: 24 community systems (31%), 6 non-transient non-community systems (7.8%) and 47 transient non-community systems (61%).

Who supplies drinking water in Chemung County, NY?

The largest community water systems filed under Chemung County are Elmira Water Board (54,000 people served), Horseheads Village (15,000 people served) and Big Flats Water District 5 (8,489 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 Chemung County's drinking water come from groundwater or surface water?

Of the 77 active public water systems in Chemung County, 96% draw mainly on groundwater and 3.9% on surface water, counting purchased supplies. The largest system, Elmira Water Board, uses surface water.

Where can I find a water quality report for Chemung 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. 24 community systems are filed under Chemung 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 Chemung 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 Chemung County, New York”, https://aquacensus.com/water-systems/new-york/chemung (data as of October 1, 2026).