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Newport County, Rhode Island — public water systems

At a glance

47 active public water systems are filed under Newport County, Rhode Island in EPA's SDWIS records, together reporting 94,859 people served. The largest is Newport-City of, which reports serving 42,155 people. 13 are community water systems serving people where they live; the other 34 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

47

Population served

94.9K

Community systems

13

Groundwater share

80.9%

How does Newport County compare with other Rhode Island counties?

Newport County has the 3rd-most active public water systems among the 5 counties listed for active Rhode Island systems in EPA records; among the 5 with 3 or more systems, the median has 47. Its systems report 94,859 people served in total, the 4th-largest county figure in the state and 8.1% of the statewide total. The average system here reports serving 2,018 people, about 20% below the Rhode Island average of 2,508. 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 Newport County's drinking water come from?

By primary water source, Newport County's active systems draw on groundwater (38, 81%), purchased surface water (6, 13%) and surface water (3, 6.4%). Overall, 81% rely mainly on groundwater (including purchased groundwater) and 19% on surface water, compared with 94% and 6.2% across Rhode Island. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Newport-City of, draws primarily on surface water.

What kinds of water systems operate in Newport County?

Newport County's active systems break down as 13 community systems (28%), 5 non-transient non-community systems (11%) and 29 transient non-community systems (62%). 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 (15%) and federal government (4.3%).

Water systems in Newport County

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Active public water systems in Newport County, Rhode Island
#Water systemCountyPopulation servedTypeSource
1Newport-City ofNewport42,155CommunitySurface water
2Portsmouth Water & Fire DistrictNewport17,090CommunityPurchased surface water
3North Tiverton Fire DistrictNewport8,969CommunityPurchased surface water
4Naval Station, NewportNewport7,870CommunityPurchased surface water
5Jamestown Water DepartmentNewport3,348CommunitySurface water
6Tiverton Water Authority, Town HallNewport3,213CommunityPurchased surface water
7Stone Bridge Fire DistrictNewport2,793CommunitySurface water
8Prudence Island Water DistrictNewport1,500CommunityGroundwater
9Tiverton Rod & Gun ClubNewport1,000Transient non-communityGroundwater
10Brown University Health-Newport HospitalNewport981Non-transient non-communityPurchased surface water
11P. A. Simmons Mercantile An0Newport500Transient non-communityGroundwater
12Wilbur and Mcmahon SchoolNewport458Non-transient non-communityGroundwater
13Peabodys BeachNewport400Transient non-communityGroundwater
14Sakonnet Point ClubNewport372Transient non-communityGroundwater
15United States Navy -Fort AdamsNewport320CommunityPurchased surface water
16Sachuest Point Natl Wildlife RefugeNewport300Transient non-communityGroundwater
17Tiverton Four CornersNewport297Non-transient non-communityGroundwater
18Hog Island Water Assoc.Inc..-North EndNewport275Transient non-communityGroundwater
19Briggs Beach, Inc..Newport250Transient non-communityGroundwater
20Round Meadows CampgroundNewport250Transient non-communityGroundwater
21Sakonnet Golf ClubNewport200Transient non-communityGroundwater
22Sakonnet Early Learning Center, Inc..Newport200Non-transient non-communityGroundwater
23Middletown Fop Lodge 21Newport189Transient non-communityGroundwater
24Meadowlark, Inc..Newport183CommunityGroundwater
25Victory Chapel Christian Church, Inc.Newport170Transient non-communityGroundwater
26Grays Ice CreamNewport150Transient non-communityGroundwater
27White Wine PlazaNewport150Transient non-communityGroundwater
28Barn Restaurant An0Newport125Transient non-communityGroundwater
29Stonehouse Resort, Inc.Newport108Transient non-communityGroundwater
30Wilbur StoreNewport100Transient non-communityGroundwater
31Warrens Point Beach Club, Inc..Newport100Transient non-communityGroundwater
32Hog Island Water Association-South EndNewport100Transient non-communityGroundwater
33Commons Lunch, Inc..Newport96Transient non-communityGroundwater
34R.L.Flounders An0Newport75Transient non-communityGroundwater
35A-1 PizzaNewport68Transient non-communityGroundwater
36Silveira Kindergarten & Nursery School,Newport66Non-transient non-communityGroundwater
37Newport National Golf ClubNewport65Transient non-communityGroundwater
38Heritage Park Home Co-OperativeNewport60CommunityGroundwater
39Seaconnet Point FarmNewport50Transient non-communityGroundwater
40Walkers Roadside Stand-BakeryNewport40Transient non-communityGroundwater
41Prudence Park Water CoopNewport40Transient non-communityGroundwater
42Four Seasons MHP Co-Op Assn.Newport40CommunityGroundwater
43Lawrence Sunset Cove AssociationNewport36CommunityGroundwater
44Smith VillageNewport32Transient non-communityGroundwater
45Delano Island Water AssociationNewport25Transient non-communityGroundwater
46Amicable Congregational ChurchNewport25Transient non-communityGroundwater
47Little Compton Wellness CenterNewport25Transient non-communityGroundwater

Newport County water systems: frequently asked questions

How many public water systems are in Newport County, Rhode Island?

EPA's SDWIS records file 47 active public water systems under Newport County, Rhode Island: 13 community systems (28%), 5 non-transient non-community systems (11%) and 29 transient non-community systems (62%).

Who supplies drinking water in Newport County, RI?

The largest community water systems filed under Newport County are Newport-City of (42,155 people served), Portsmouth Water & Fire District (17,090 people served) and North Tiverton Fire District (8,969 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 Newport County's drinking water come from groundwater or surface water?

Of the 47 active public water systems in Newport County, 81% draw mainly on groundwater and 19% on surface water, counting purchased supplies. The largest system, Newport-City of, uses surface water.

Where can I find a water quality report for Newport 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. 13 community systems are filed under Newport 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 Newport 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 Rhode Island 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 Newport County, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/newport (data as of October 1, 2026).