Public water system · RI1900055
ActiveWashington Oak Elementary School
At a glance
Washington Oak Elementary School (PWSID RI1900055) is an active non-transient non-community water system in Kent County, Rhode Island. It reports serving 660 people through 1 service connection. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
660
Service connections
1
Primary source
GWP
Purchased groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Washington Oak Elementary School compare with other water systems in Kent County?
By EPA's size categories, Washington Oak Elementary School is a small system (501 to 3,300 people). Kent County has 42 active public water systems, and Washington Oak Elementary School is the 6th-largest of them by population served. Its population served is well below the county average of 4,433 people per system, and accounts for 0.4% of the 186,201 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 Washington Oak Elementary School is about 54% above 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. 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 Washington Oak Elementary School?
EPA lists Washington Oak Elementary School 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. 11 of the 42 active systems in Kent County (26%) are also owned by a local government.
Does Washington Oak Elementary School have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2018. The violations listed here began between January 2007 and January 2018. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2018-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2007-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Washington Oak Elementary School: frequently asked questions
Who runs Washington Oak Elementary School?
Washington Oak Elementary School (PWSID RI1900055) 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 Washington Oak Elementary School serve?
Washington Oak Elementary School reports serving 660 people through 1 service connection in Kent County, Rhode Island.
Where does Washington Oak Elementary School 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 Washington Oak Elementary School have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2018. 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 Washington Oak Elementary School'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 3 violations for this system; none is health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the RI state drinking water program.
Where can I find Washington Oak Elementary School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Washington Oak Elementary School 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 Kent County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kent County Water Authority | Kent | 94,107 | Community | Purchased surface water |
| Warwick-City of | Kent | 73,289 | Community | Purchased surface water |
| Cne - New London Turnpike Entry Point | Kent | 9,999 | Community | Purchased groundwater |
| Warwick-Potowomut | Kent | 2,163 | Community | Purchased surface water |
| Exeter-W.Greenwich Jr/Sr High School | Kent | 906 | Non-transient non-community | Groundwater |
| Westwood Ymca | Kent | 610 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Washington Oak Elementary School, PWSID RI1900055, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/washington-oak-elementary-school-ri1900055 (data as of October 1, 2026).