Public water system · RI2980384
ActiveOcean State Transit-Chariho
At a glance
Ocean State Transit-Chariho (PWSID RI2980384) is an active non-transient non-community water system in Washington County, Rhode Island. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in March 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Ocean State Transit-Chariho compare with other water systems in Washington County?
By EPA's size categories, Ocean State Transit-Chariho 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 Ocean State Transit-Chariho 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 Ocean State Transit-Chariho?
EPA lists Ocean State Transit-Chariho 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 Ocean State Transit-Chariho have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in March 2023. The violations listed here began between October 2018 and March 2023. By type: 3 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2023-03-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 4 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.
Ocean State Transit-Chariho: frequently asked questions
Who runs Ocean State Transit-Chariho?
Ocean State Transit-Chariho (PWSID RI2980384) is a non-transient non-community water system privately owned. It is regulated by the RI state drinking water program.
How many people does Ocean State Transit-Chariho serve?
Ocean State Transit-Chariho reports serving 25 people through 1 service connection in Washington County, Rhode Island.
Where does Ocean State Transit-Chariho 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 Ocean State Transit-Chariho have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in March 2023. 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 Ocean State Transit-Chariho'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 4 violations for this system; none is health-based, and the most recent began in March 2023. For current results, consult EPA ECHO, or the RI state drinking water program.
Where can I find Ocean State Transit-Chariho's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ocean State Transit-Chariho 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, “Ocean State Transit-Chariho, PWSID RI2980384, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/ocean-state-transit-chariho-ri2980384 (data as of October 1, 2026).