Public water system · RI1900027
ActiveCharlestown Municipal Offices
At a glance
Charlestown Municipal Offices (PWSID RI1900027) is an active non-transient non-community water system in Washington County, Rhode Island. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in January 1994.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Charlestown Municipal Offices compare with other water systems in Washington County?
By EPA's size categories, Charlestown Municipal Offices 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 non-transient non-community water system reports serving 430 people, so Charlestown Municipal Offices is well below that figure.
What does “non-transient non-community water system” mean?
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. Rhode Island has 81 active non-transient non-community water systems, 17% 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 Municipal Offices?
EPA lists Charlestown Municipal Offices as owned by a local government. 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. 26 of the 188 active systems in Washington County (14%) are also owned by a local government.
Does Charlestown Municipal Offices have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 1994. By type: 1 required treatment not met. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1994-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
The one violation in EPA's records.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 Municipal Offices: frequently asked questions
Who runs Charlestown Municipal Offices?
Charlestown Municipal Offices (PWSID RI1900027) is a non-transient non-community water system owned by a local government. It is regulated by the RI state drinking water program.
How many people does Charlestown Municipal Offices serve?
Charlestown Municipal Offices reports serving 30 people through 1 service connection in Washington County, Rhode Island.
Where does Charlestown Municipal Offices 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 Municipal Offices have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 1994. 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 Municipal Offices' 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 one violation for this system; it is health-based, and the most recent began in January 1994. For current results, consult EPA ECHO, or the RI state drinking water program.
Where can I find Charlestown Municipal Offices' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Charlestown Municipal Offices is a non-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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Westerly Water Department | Washington | 35,298 | Community | Groundwater |
| North Kingstown Town of | Washington | 27,732 | Community | Groundwater |
| Veolia Water Wakefield Rhode Island Inc. | Washington | 22,347 | Community | Groundwater |
| University of Rhode Island | Washington | 19,354 | Community | Groundwater |
| Quonset Business Park | Washington | 13,000 | Non-transient non-community | Groundwater |
| Block Island Water Company | Washington | 9,999 | Community | Groundwater |
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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 Municipal Offices, PWSID RI1900027, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/charlestown-municipal-offices-ri1900027 (data as of October 1, 2026).