Public water system · NY4303666
ActiveNyack Village Water Supply
At a glance
Nyack Village Water Supply (PWSID NY4303666) is an active community water system in Rockland County, New York. It reports serving 14,700 people through 3,300 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,700
Service connections
3,300
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Nyack Village Water Supply compare with other water systems in Rockland County?
By EPA's size categories, Nyack Village Water Supply is a large system (10,001 to 100,000 people). Rockland County has 50 active public water systems, and Nyack Village Water Supply is the 3rd-largest of them by population served. Its population served is about 125% above the county average of 6,530 people per system, and accounts for 4.5% 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 Nyack Village Water Supply is about twice 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 296 New York systems (3.6%) list surface water as their primary source.
Who owns and regulates Nyack Village Water Supply?
EPA lists Nyack Village Water Supply as owned by a local government. 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. 6 of the 50 active systems in Rockland County (12%) are also owned by a local government.
Does Nyack Village Water Supply have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in October 2022. The violations listed here began between April 2002 and October 2022. By type: 3 monitoring and reporting, 3 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2022-10-01 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-07-01 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2003-07-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2003-01-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2002-04-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
All 7 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.
Nyack Village Water Supply: frequently asked questions
Who runs Nyack Village Water Supply?
Nyack Village Water Supply (PWSID NY4303666) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Nyack Village Water Supply serve?
Nyack Village Water Supply reports serving 14,700 people through 3,300 service connections in Rockland County, New York.
Where does Nyack Village Water Supply 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 Nyack Village Water Supply have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in October 2022. 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 Nyack Village Water Supply'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 7 violations for this system; 3 are health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Nyack Village Water Supply's water quality report?
As a community water system, Nyack Village Water Supply 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 |
| Suffern Village | Rockland | 12,000 | Community | Groundwater |
| West Maple Farm | Rockland | 1,000 | Transient non-community | Groundwater |
| Yeshiva Washington Ave | Rockland | 1,000 | Non-transient non-community | Groundwater |
| Deer Mountain Day Camp | Rockland | 1,000 | Transient non-community | Purchased surface water |
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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, “Nyack Village Water Supply, PWSID NY4303666, New York”, https://aquacensus.com/water-systems/new-york/nyack-village-water-supply-ny4303666 (data as of October 1, 2026).