Public water system · NY4330019
ActiveDeer Mountain Day Camp
At a glance
Deer Mountain Day Camp (PWSID NY4330019) is an active transient non-community water system in Rockland County, New York. It reports serving 1,000 people through 23 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in August 2003.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,000
Service connections
23
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does Deer Mountain Day Camp compare with other water systems in Rockland County?
By EPA's size categories, Deer Mountain Day Camp is a small system (501 to 3,300 people). Rockland County has 50 active public water systems, and Deer Mountain Day Camp is the 5th-largest of them by population served. Its population served is well below the county average of 6,530 people per system, and accounts for 0.3% 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 transient non-community water system reports serving 144 people, so Deer Mountain Day Camp is about 6.9 times that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% of the state's 8,167 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 399 New York systems (4.9%) list purchased surface water as their primary source.
Who owns and regulates Deer Mountain Day Camp?
EPA lists Deer Mountain Day Camp 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 Deer Mountain Day Camp have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in August 2003. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2003-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Deer Mountain Day Camp: frequently asked questions
Who runs Deer Mountain Day Camp?
Deer Mountain Day Camp (PWSID NY4330019) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Deer Mountain Day Camp serve?
Deer Mountain Day Camp reports serving 1,000 people through 23 service connections in Rockland County, New York.
Where does Deer Mountain Day Camp get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Deer Mountain Day Camp have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in August 2003. 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 Deer Mountain Day Camp'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 one violation for this system; it is health-based, and the most recent began in August 2003. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Deer Mountain Day Camp's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Deer Mountain Day Camp is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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 |
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, “Deer Mountain Day Camp, PWSID NY4330019, New York”, https://aquacensus.com/water-systems/new-york/deer-mountain-day-camp-ny4330019 (data as of October 1, 2026).