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AquaCensus

Public water system · RI2980018

Active

Ninigret Inn

At a glance

Ninigret Inn (PWSID RI2980018) is an active transient non-community water system in Washington County, Rhode Island. It reports serving 35 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

35

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDRI2980018
System typeTransient non-community water system
Activity statusActive
Population served35
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyRI state drinking water program
City servedCharlestown
StateRhode Island
ZIP—
CountyWashington County

How does Ninigret Inn compare with other water systems in Washington County?

By EPA's size categories, Ninigret Inn is a very small system (500 people or fewer). Washington County has 188 active public water systems. Its population served is well below the county average of 1,022 people per system, and accounts for less than 0.1% of the 192,066 people reported by systems filed under the county. Across Rhode Island, the 465 active systems average 2,508 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Ninigret Inn is well below that figure.

What does “transient non-community water system” mean?

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. Rhode Island has 295 active transient non-community water systems, 63% of the state's 465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 428 Rhode Island systems (92%) list groundwater as their primary source.

Who owns and regulates Ninigret Inn?

EPA lists Ninigret Inn as privately owned. The RI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 150 of the 188 active systems in Washington County (80%) are also privately owned.

Does Ninigret Inn have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. The violations listed here began between January 2008 and January 2022. By type: 8 monitoring and reporting, 3 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2022-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-05-13Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2013-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2008-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Ninigret Inn: frequently asked questions

Who runs Ninigret Inn?

Ninigret Inn (PWSID RI2980018) is a transient non-community water system privately owned. It is regulated by the RI state drinking water program.

How many people does Ninigret Inn serve?

Ninigret Inn reports serving 35 people through 1 service connection in Washington County, Rhode Island.

Where does Ninigret Inn get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Ninigret Inn have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Ninigret Inn's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the RI state drinking water program.

Where can I find Ninigret Inn's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ninigret Inn is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Washington County

Water systemCountyPopulation servedTypeSource
Westerly Water DepartmentWashington35,298CommunityGroundwater
North Kingstown Town ofWashington27,732CommunityGroundwater
Veolia Water Wakefield Rhode Island Inc.Washington22,347CommunityGroundwater
University of Rhode IslandWashington19,354CommunityGroundwater
Quonset Business ParkWashington13,000Non-transient non-communityGroundwater
Block Island Water CompanyWashington9,999CommunityGroundwater

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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, “Ninigret Inn, PWSID RI2980018, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/ninigret-inn-ri2980018 (data as of October 1, 2026).