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Dutchess County, New York — public water systems

At a glance

546 active public water systems are filed under Dutchess County, New York in EPA's SDWIS records, together reporting 257,968 people served. The largest is Poughkeepsie Townwide Wd, which reports serving 43,000 people. 153 are community water systems serving people where they live; the other 393 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

546

Population served

258K

Community systems

153

Groundwater share

96.2%

How does Dutchess County compare with other New York counties?

Dutchess County has the 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 257,968 people served in total, the 11th-largest county figure in the state and 1.3% of the statewide total. The average system here reports serving 473 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 Dutchess County's drinking water come from?

By primary water source, Dutchess County's active systems draw on groundwater (495, 91%), groundwater under influence of surface water (20, 3.7%), purchased surface water (14, 2.6%) and purchased groundwater (9, 1.6%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 3.5% 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, Poughkeepsie Townwide Wd, draws primarily on purchased surface water.

What kinds of water systems operate in Dutchess County?

Dutchess County's active systems break down as 153 community systems (28%), 91 non-transient non-community systems (17%) and 302 transient non-community systems (55%). 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 (82%), local government (16%), state government (1.6%) and public/private partnership (0.5%).

The 50 largest water systems in Dutchess County

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Active public water systems in Dutchess County, New York
#Water systemCountyPopulation servedTypeSource
1Poughkeepsie Townwide WdDutchess43,000CommunityPurchased surface water
2Poughkeepsie CityDutchess30,639CommunityPurchased surface water
3Beacon CityDutchess14,370CommunitySurface water
4United Wappinger Water Improvement Dist.Dutchess14,000CommunityGroundwater under influence of surface water
5Hyde Park RegionalDutchess6,928CommunitySurface water
6Rhinebeck Village WaterDutchess6,000CommunitySurface water
7Wappingers Falls VillageDutchess5,522CommunityGroundwater
8Fishkill VillageDutchess4,101CommunityGroundwater
9Brinkerhoff Water DistrictDutchess3,788CommunityGroundwater
10I-84 Comfort Stn -Westbnd (Stormville)Dutchess3,300Transient non-communityGroundwater
11Arlington High SchoolDutchess3,050Non-transient non-communityGroundwater
12Rombout Water DistrictDutchess3,000CommunityPurchased surface water
13Green Haven Correctional FacilityDutchess2,800CommunityGroundwater under influence of surface water
14Red Hook VillageDutchess2,730CommunityGroundwater
15Hudson Valley Research Park Water WorksDutchess2,539Non-transient non-communityPurchased surface water
16Chelsea Ridge ApartmentsDutchess2,303CommunityPurchased groundwater
17Glenham Water DistrictDutchess2,246CommunityPurchased groundwater
18Dalton FarmsDutchess2,100CommunityGroundwater
19Pawling VillageDutchess2,100CommunityGroundwater
20Millerton VillageDutchess2,000CommunityGroundwater
21Splash Down ParkDutchess2,000Transient non-communityGroundwater
22I-84 Comfort Station Eastbnd (E. Fish)Dutchess1,950Transient non-communityGroundwater
23Dover Middle/High SchoolDutchess1,853Non-transient non-communityGroundwater
24Red Hook Water District #1 TownDutchess1,610CommunityGroundwater under influence of surface water
25Harbourd Hills / Zone DDutchess1,544CommunityPurchased surface water
26Castle Point Medical CenterDutchess1,500CommunityGroundwater under influence of surface water
27West Campus Water District EfDutchess1,500Non-transient non-communityPurchased surface water
28Roosevelt High SchoolDutchess1,464Non-transient non-communityGroundwater
29Millbrook VillageDutchess1,450CommunityGroundwater under influence of surface water
30Chelsea Cove HomesDutchess1,450CommunityGroundwater
31Bard CollegeDutchess1,400CommunitySurface water
32Tivoli Village WaterDutchess1,303CommunityGroundwater
33Merritt Park Wd, Fishkill TownDutchess1,300CommunityGroundwater
34Sharpe ReservationDutchess1,247Transient non-communityGroundwater
35Reagans Mill Water CompanyDutchess1,225CommunityGroundwater
36Beekman Country ClubDutchess1,200CommunityGroundwater
37Manchester Water DistrictDutchess1,180CommunityGroundwater
38Staatsburg Water SystemDutchess1,164CommunityPurchased surface water
39Brettview Acres Water CoDutchess1,150CommunityPurchased groundwater
40Gayhead Elementary SchoolDutchess1,097Non-transient non-communityGroundwater
41Lagrange Middle SchoolDutchess1,063Non-transient non-communityGroundwater
42Greenfield Water DistrictDutchess1,050CommunityGroundwater
43Union Vale Middle SchoolDutchess1,016Non-transient non-communityGroundwater
44Amenia Water District No 1Dutchess1,001CommunityGroundwater
45Wilcox Park, Dutchess CountyDutchess1,000Transient non-communityGroundwater
46Beacon Hills Water DistrictDutchess999CommunityPurchased groundwater
47Lagrange Town Center Water ImprovmentDutchess980CommunityGroundwater
48Hopewell North WdDutchess972CommunityPurchased groundwater under influence
49Mill Road Elementary School-RhDutchess929Non-transient non-communityGroundwater
50Fishkill PlainsDutchess900CommunityGroundwater under influence of surface water

All other water systems in Dutchess County (496)

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

Dutchess County water systems: frequently asked questions

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

EPA's SDWIS records file 546 active public water systems under Dutchess County, New York: 153 community systems (28%), 91 non-transient non-community systems (17%) and 302 transient non-community systems (55%).

Who supplies drinking water in Dutchess County, NY?

The largest community water systems filed under Dutchess County are Poughkeepsie Townwide Wd (43,000 people served), Poughkeepsie City (30,639 people served) and Beacon City (14,370 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 Dutchess County's drinking water come from groundwater or surface water?

Of the 546 active public water systems in Dutchess County, 96% draw mainly on groundwater and 3.5% on surface water, counting purchased supplies. The largest system, Poughkeepsie Townwide Wd, uses purchased surface water.

Where can I find a water quality report for Dutchess 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. 153 community systems are filed under Dutchess 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 Dutchess 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 Dutchess County, New York”, https://aquacensus.com/water-systems/new-york/dutchess (data as of October 1, 2026).