Public water system · NY4320531
ActiveMount Fuji
At a glance
Mount Fuji (PWSID NY4320531) is an active community water system in Rockland County, New York. It reports serving 282 people through 9 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in January 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
282
Service connections
9
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mount Fuji compare with other water systems in Rockland County?
By EPA's size categories, Mount Fuji 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 Mount Fuji 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 Mount Fuji?
EPA lists Mount Fuji 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 Mount Fuji have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in January 2014. The violations listed here began between August 2006 and January 2014. By type: 3 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2014-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Mount Fuji: frequently asked questions
Who runs Mount Fuji?
Mount Fuji (PWSID NY4320531) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Mount Fuji serve?
Mount Fuji reports serving 282 people through 9 service connections in Rockland County, New York.
Where does Mount Fuji 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 Mount Fuji have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in January 2014. 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 Mount Fuji'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 4 violations for this system; 3 are health-based, and the most recent began in January 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Mount Fuji's water quality report?
As a community water system, Mount Fuji 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, “Mount Fuji, PWSID NY4320531, New York”, https://aquacensus.com/water-systems/new-york/mount-fuji-ny4320531 (data as of October 1, 2026).