Public water system · RI2980473
ActiveHopkinton, Town of
At a glance
Town of Hopkinton (PWSID RI2980473) is an active community water system in Washington County, Rhode Island. It reports serving 125 people through 52 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
125
Service connections
52
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Town of Hopkinton compare with other water systems in Washington County?
By EPA's size categories, Town of Hopkinton 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 community water system reports serving 6,703 people, so Town of Hopkinton is well below that figure.
What does “community water system” mean?
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. Rhode Island has 89 active community water systems, 19% of the state's 465 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 8 Rhode Island systems (1.7%) list purchased groundwater as their primary source.
Who owns and regulates Town of Hopkinton?
EPA lists Town of Hopkinton 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 Town of Hopkinton have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between July 2020 and July 2025. By type: 2 public notice, recordkeeping or other, 2 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-12-27 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-11-02 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2021-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 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.
Town of Hopkinton: frequently asked questions
Who runs Town of Hopkinton?
Town of Hopkinton (PWSID RI2980473) is a community water system owned by a local government. It is regulated by the RI state drinking water program.
How many people does Town of Hopkinton serve?
Town of Hopkinton reports serving 125 people through 52 service connections in Washington County, Rhode Island.
Where does Town of Hopkinton get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Town of Hopkinton have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Town of Hopkinton'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. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the RI state drinking water program.
Where can I find Town of Hopkinton's water quality report?
As a community water system, Town of Hopkinton must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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, “Hopkinton, Town of, PWSID RI2980473, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/hopkinton-town-of-ri2980473 (data as of October 1, 2026).