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Public water system · RI2519422

Active

Charlestown Commons

At a glance

Charlestown Commons (PWSID RI2519422) is an active transient non-community water system in Washington County, Rhode Island. It reports serving 150 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024.

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

Population served

150

Service connections

3

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDRI2519422
System typeTransient non-community water system
Activity statusActive
Population served150
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyRI state drinking water program
City servedCharlestown
StateRhode Island
ZIP—
CountyWashington County

How does Charlestown Commons compare with other water systems in Washington County?

By EPA's size categories, Charlestown Commons 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 Charlestown Commons is roughly in line with 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 Charlestown Commons?

EPA lists Charlestown Commons 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 Charlestown Commons have drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024. The violations listed here began between July 2006 and July 2024. By type: 3 monitoring and reporting, 3 contaminant level above the legal limit, 1 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 8 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
2024-07-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2021-08-31Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-08-27Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2021-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2008-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2006-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 8 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.

Charlestown Commons: frequently asked questions

Who runs Charlestown Commons?

Charlestown Commons (PWSID RI2519422) is a transient non-community water system privately owned. It is regulated by the RI state drinking water program.

How many people does Charlestown Commons serve?

Charlestown Commons reports serving 150 people through 3 service connections in Washington County, Rhode Island.

Where does Charlestown Commons 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 Charlestown Commons have any drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024. 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 Charlestown Commons' 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. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2024. For current results, consult EPA ECHO, or the RI state drinking water program.

Where can I find Charlestown Commons' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Charlestown Commons 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, “Charlestown Commons, PWSID RI2519422, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/charlestown-commons-ri2519422 (data as of October 1, 2026).