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Chautauqua County, New York — public water systems

At a glance

193 active public water systems are filed under Chautauqua County, New York in EPA's SDWIS records, together reporting 126,295 people served. The largest is Jamestown Bpu, which reports serving 46,712 people. 54 are community water systems serving people where they live; the other 139 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

193

Population served

126.3K

Community systems

54

Groundwater share

91.7%

How does Chautauqua County compare with other New York counties?

Chautauqua County has the 12th-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 126,295 people served in total, the 22nd-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 654 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 Chautauqua County's drinking water come from?

By primary water source, Chautauqua County's active systems draw on groundwater (172, 89%), surface water (8, 4.1%), purchased surface water (8, 4.1%) and groundwater under influence of surface water (3, 1.6%). Overall, 92% rely mainly on groundwater (including purchased groundwater) and 8.3% 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, Jamestown Bpu, draws primarily on groundwater.

What kinds of water systems operate in Chautauqua County?

Chautauqua County's active systems break down as 54 community systems (28%), 5 non-transient non-community systems (2.6%) and 134 transient non-community systems (69%). 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 (86%), local government (12%), public/private partnership (1%) and state government (1%).

The 50 largest water systems in Chautauqua County

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Active public water systems in Chautauqua County, New York
#Water systemCountyPopulation servedTypeSource
1Jamestown BpuChautauqua46,712CommunityGroundwater
2Dunkirk CityChautauqua12,743CommunitySurface water
3Fredonia VillageChautauqua9,585CommunitySurface water
4Chautauqua Utility DistrictChautauqua9,000CommunitySurface water
5Westfield Village and TownChautauqua3,890CommunitySurface water
6Silver Creek VillageChautauqua3,100CommunityPurchased surface water
7North Chautauqua County Water DistrictChautauqua3,100CommunityPurchased surface water
8Brocton Portland Water DistrictChautauqua3,086CommunityPurchased surface water
9Carroll (T) Water DistrictChautauqua2,600CommunityGroundwater
10Hanover Wd #1 5&20 Slvr Crk To Catt CrkChautauqua2,173CommunityPurchased surface water
11Mayville VillageChautauqua1,856CommunityGroundwater
12Ripley Water DistrictChautauqua1,600CommunitySurface water
13I-86 Rest StopChautauqua1,400Transient non-communityGroundwater
14Heron, theChautauqua999Transient non-communityGroundwater
15Hanover Wd #3 - ForestvilleChautauqua804CommunityGroundwater
16Sinclairville VillageChautauqua772CommunityGroundwater
17Crosby MartChautauqua700Transient non-communityGroundwater
18Sherman VillageChautauqua677CommunityGroundwater
19Clymer Water DistrictChautauqua650CommunityGroundwater
20Pine Valley Central SchoolsChautauqua648Non-transient non-communityGroundwater
21Cassadaga VillageChautauqua608CommunityGroundwater
22Panama Central SchoolChautauqua550Non-transient non-communityGroundwater
23Peek N Peak RecreationChautauqua500CommunityGroundwater
24Blue Water BeachChautauqua500Transient non-communitySurface water
25Chautauqua Water District #2Chautauqua490CommunitySurface water
26Brushwood Folklore CenterChautauqua480Transient non-communityGroundwater
27Cherry Creek TownChautauqua440CommunityGroundwater
28Maple Grove Jr Sr High SchoolChautauqua433Non-transient non-communityGroundwater
29Camp ChautauquaChautauqua400Transient non-communityGroundwater
30Heritage Green Health Care CenChautauqua400CommunityGroundwater
31Pomfret Water District #8 - Lily DaleChautauqua400CommunityPurchased groundwater
32Pomfret North End Water DistrictChautauqua360CommunityPurchased surface water
33Bemus Point Elementary SchoolChautauqua357Non-transient non-communityGroundwater
34Lake Erie EstatesChautauqua320CommunityGroundwater
35Pine Bluff CourtChautauqua312CommunityGroundwater
36Grandview of Ellington, theChautauqua300Transient non-communityGroundwater
37Midway State ParkChautauqua250Transient non-communityGroundwater
38Yogi Bears Jellystone Park Camp-ResChautauqua250Transient non-communityGroundwater
39Homestead Park CampgroundChautauqua250Transient non-communityGroundwater
40Lake Chautauqua Koa CampgroundChautauqua250Transient non-communityGroundwater under influence of surface water
41Heritage Village Retirement CampusChautauqua250CommunityGroundwater under influence of surface water
42Paul Bd Temple SchoolChautauqua250Non-transient non-communityGroundwater
43Maplehurst Country ClubChautauqua250Transient non-communityGroundwater
44High Acres Mobile Home ParkChautauqua248CommunityGroundwater
45Camp PrendergastChautauqua225Transient non-communityGroundwater
46Camp OnyahsaChautauqua225Transient non-communityGroundwater
47Bella Vista CampgroundChautauqua203Transient non-communityGroundwater
48Lake Chautauqua Lutheran CenterChautauqua200Transient non-communityGroundwater
49Hillside Estates MHPChautauqua200CommunityGroundwater
50Robo 430Chautauqua200Transient non-communityGroundwater

All other water systems in Chautauqua County (143)

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

Chautauqua County water systems: frequently asked questions

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

EPA's SDWIS records file 193 active public water systems under Chautauqua County, New York: 54 community systems (28%), 5 non-transient non-community systems (2.6%) and 134 transient non-community systems (69%).

Who supplies drinking water in Chautauqua County, NY?

The largest community water systems filed under Chautauqua County are Jamestown Bpu (46,712 people served), Dunkirk City (12,743 people served) and Fredonia Village (9,585 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 Chautauqua County's drinking water come from groundwater or surface water?

Of the 193 active public water systems in Chautauqua County, 92% draw mainly on groundwater and 8.3% on surface water, counting purchased supplies. The largest system, Jamestown Bpu, uses groundwater.

Where can I find a water quality report for Chautauqua 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. 54 community systems are filed under Chautauqua 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 Chautauqua 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 Chautauqua County, New York”, https://aquacensus.com/water-systems/new-york/chautauqua (data as of October 1, 2026).