Skip to content
AquaCensus

Public water system · RI1647516

Active

Eleanor Slater Hospital Zambarano Unit

At a glance

Eleanor Slater Hospital Zambarano Unit (PWSID RI1647516) is an active community water system in Providence County, Rhode Island. It reports serving 540 people through 23 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2020.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

540

Service connections

23

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDRI1647516
System typeCommunity water system
Activity statusActive
Population served540
Service connections23
Primary water sourceSurface water
Owner typeState government
Primacy agencyRI state drinking water program
City servedBurrillville
StateRhode Island
ZIP—
CountyProvidence County

How does Eleanor Slater Hospital Zambarano Unit compare with other water systems in Providence County?

By EPA's size categories, Eleanor Slater Hospital Zambarano Unit is a small system (501 to 3,300 people). Providence County has 182 active public water systems. Its population served is well below the county average of 3,535 people per system, and accounts for less than 0.1% of the 643,368 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 Eleanor Slater Hospital Zambarano Unit 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 8 Rhode Island systems (1.7%) list surface water as their primary source.

Who owns and regulates Eleanor Slater Hospital Zambarano Unit?

EPA lists Eleanor Slater Hospital Zambarano Unit as owned by a state 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. 7 of the 182 active systems in Providence County (3.8%) are also owned by a state government.

Does Eleanor Slater Hospital Zambarano Unit have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2020. The violations listed here began between September 2006 and October 2020. By type: 10 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (7 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2020-10-13Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2008-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2006-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2006-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2006-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

The 12 most recent 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.

Eleanor Slater Hospital Zambarano Unit: frequently asked questions

Who runs Eleanor Slater Hospital Zambarano Unit?

Eleanor Slater Hospital Zambarano Unit (PWSID RI1647516) is a community water system owned by a state government. It is regulated by the RI state drinking water program.

How many people does Eleanor Slater Hospital Zambarano Unit serve?

Eleanor Slater Hospital Zambarano Unit reports serving 540 people through 23 service connections in Providence County, Rhode Island.

Where does Eleanor Slater Hospital Zambarano Unit get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Eleanor Slater Hospital Zambarano Unit have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 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 Eleanor Slater Hospital Zambarano Unit'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. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the RI state drinking water program.

Where can I find Eleanor Slater Hospital Zambarano Unit's water quality report?

As a community water system, Eleanor Slater Hospital Zambarano Unit 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 Providence County

Water systemCountyPopulation servedTypeSource
Providence-City ofProvidence333,142CommunitySurface water
Pawtucket Water Supply Board Veolia-NaProvidence98,130CommunitySurface water
East Providence-City ofProvidence47,618CommunityPurchased surface water
Woonsocket Water DivisionProvidence45,828CommunitySurface water
Lincoln Water CommissionProvidence21,664CommunityPurchased surface water
Cumberland, Town ofProvidence21,235CommunityPurchased surface water

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, “Eleanor Slater Hospital Zambarano Unit, PWSID RI1647516, Rhode Island”, https://aquacensus.com/water-systems/rhode-island/eleanor-slater-hospital-zambarano-unit-ri1647516 (data as of October 1, 2026).