Public water system · NY4315999
ActiveSister Servants of Mary Immaculate
At a glance
Sister Servants of Mary Immaculate (PWSID NY4315999) is an active community water system in Rockland County, New York. It reports serving 55 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; all are health-based, and the most recent began in March 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
55
Service connections
6
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sister Servants of Mary Immaculate compare with other water systems in Rockland County?
By EPA's size categories, Sister Servants of Mary Immaculate is a very small system (500 people or fewer). Rockland County has 50 active public water systems. Its population served is well below the county average of 6,530 people per system, and accounts for less than 0.1% of the 326,504 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active community water system reports serving 6,703 people, so Sister Servants of Mary Immaculate 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. New York has 2,281 active community water systems, 28% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.
Who owns and regulates Sister Servants of Mary Immaculate?
EPA lists Sister Servants of Mary Immaculate as privately owned. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 41 of the 50 active systems in Rockland County (82%) are also privately owned.
Does Sister Servants of Mary Immaculate have drinking water violations?
EPA's records list 6 violations for this system; all are health-based, and the most recent began in March 2016. The violations listed here began between July 1994 and March 2016. By type: 5 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2016-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2016-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-07-01 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
All 6 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.
Sister Servants of Mary Immaculate: frequently asked questions
Who runs Sister Servants of Mary Immaculate?
Sister Servants of Mary Immaculate (PWSID NY4315999) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Sister Servants of Mary Immaculate serve?
Sister Servants of Mary Immaculate reports serving 55 people through 6 service connections in Rockland County, New York.
Where does Sister Servants of Mary Immaculate 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 Sister Servants of Mary Immaculate have any drinking water violations?
EPA's records list 6 violations for this system; all are health-based, and the most recent began in March 2016. 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 Sister Servants of Mary Immaculate'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 6 violations for this system; all are health-based, and the most recent began in March 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Sister Servants of Mary Immaculate's water quality report?
As a community water system, Sister Servants of Mary Immaculate 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 Rockland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Veolia Water New York | Rockland | 270,000 | Community | Surface water |
| Lake Welch + Sebago Beach W.S. | Rockland | 15,000 | Transient non-community | Purchased surface water |
| Nyack Village Water Supply | Rockland | 14,700 | Community | Surface water |
| Suffern Village | Rockland | 12,000 | Community | Groundwater |
| Yeshiva Washington Ave | Rockland | 1,000 | Non-transient non-community | Groundwater |
| West Maple Farm | Rockland | 1,000 | Transient non-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, “Sister Servants of Mary Immaculate, PWSID NY4315999, New York”, https://aquacensus.com/water-systems/new-york/sister-servants-of-mary-immaculate-ny4315999 (data as of October 1, 2026).