Public water system · RI1000035
ActiveCastle Rock Condominiums
At a glance
Castle Rock Condominiums (PWSID RI1000035) is an active community water system in Washington County, Rhode Island. It reports serving 292 people through 39 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
292
Service connections
39
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Castle Rock Condominiums compare with other water systems in Washington County?
By EPA's size categories, Castle Rock Condominiums 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 0.2% 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 Castle Rock Condominiums 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. 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 Castle Rock Condominiums?
EPA lists Castle Rock Condominiums 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 Castle Rock Condominiums have drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in December 2024. The violations listed here began between January 1999 and December 2024. By type: 4 public notice, recordkeeping or other, 3 monitoring and reporting, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2024-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-01-01 | Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58 | Lead and Copper Rulecode 5000 | Yes | Resolved |
All 9 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.
Castle Rock Condominiums: frequently asked questions
Who runs Castle Rock Condominiums?
Castle Rock Condominiums (PWSID RI1000035) is a community water system privately owned. It is regulated by the RI state drinking water program.
How many people does Castle Rock Condominiums serve?
Castle Rock Condominiums reports serving 292 people through 39 service connections in Washington County, Rhode Island.
Where does Castle Rock Condominiums 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 Castle Rock Condominiums have any drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in December 2024. 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 Castle Rock Condominiums' 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 9 violations for this system; 2 are health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the RI state drinking water program.
Where can I find Castle Rock Condominiums' water quality report?
As a community water system, Castle Rock Condominiums 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, “Castle Rock Condominiums, PWSID RI1000035, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/castle-rock-condominiums-ri1000035 (data as of October 1, 2026).