Public water system · RI2389723
ActiveOar & Block Island Boat Basin, the
At a glance
Oar & Block Island Boat Basin, the (PWSID RI2389723) is an active transient non-community water system in Washington County, Rhode Island. It reports serving 150 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 5 violations for this system; none is health-based, and the most recent began in August 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Oar & Block Island Boat Basin, the compare with other water systems in Washington County?
By EPA's size categories, Oar & Block Island Boat Basin, the 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 Oar & Block Island Boat Basin, the 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 Oar & Block Island Boat Basin, the?
EPA lists Oar & Block Island Boat Basin, the as under public/private ownership. 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. 2 of the 188 active systems in Washington County (1.1%) are also under public/private ownership.
Does Oar & Block Island Boat Basin, the have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in August 2020. The violations listed here began between July 2015 and August 2020. By type: 3 monitoring and reporting, 1 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform 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 |
|---|---|---|---|---|
| 2020-08-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-04-06 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Oar & Block Island Boat Basin, the: frequently asked questions
Who runs Oar & Block Island Boat Basin, the?
Oar & Block Island Boat Basin, the (PWSID RI2389723) is a transient non-community water system under public/private ownership. It is regulated by the RI state drinking water program.
How many people does Oar & Block Island Boat Basin, the serve?
Oar & Block Island Boat Basin, the reports serving 150 people through 5 service connections in Washington County, Rhode Island.
Where does Oar & Block Island Boat Basin, the 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 Oar & Block Island Boat Basin, the have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in August 2020. 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 Oar & Block Island Boat Basin, the'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; none is health-based, and the most recent began in August 2020. For current results, consult EPA ECHO, or the RI state drinking water program.
Where can I find Oar & Block Island Boat Basin, the's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oar & Block Island Boat Basin, the 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 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, “Oar & Block Island Boat Basin, the, PWSID RI2389723, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/oar-block-island-boat-basin-the-ri2389723 (data as of October 1, 2026).