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Public water system · NY3930009

Active

Surprise Lake Main Camp

At a glance

Surprise Lake Main Camp (PWSID NY3930009) is an active transient non-community water system in Putnam County, New York. It reports serving 25 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1995.

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

Population served

25

Service connections

3

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNY3930009
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedPhilipstown (T)
StateNew York
ZIP—
CountyPutnam County

How does Surprise Lake Main Camp compare with other water systems in Putnam County?

By EPA's size categories, Surprise Lake Main Camp is a very small system (500 people or fewer). Putnam County has 382 active public water systems. Its population served is well below the county average of 150 people per system, and accounts for less than 0.1% of the 57,156 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 Surprise Lake Main Camp is well below 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. 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 Surprise Lake Main Camp?

EPA lists Surprise Lake Main 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. 342 of the 382 active systems in Putnam County (90%) are also privately owned.

Does Surprise Lake Main Camp have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1995. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

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.

Surprise Lake Main Camp: frequently asked questions

Who runs Surprise Lake Main Camp?

Surprise Lake Main Camp (PWSID NY3930009) is a transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Surprise Lake Main Camp serve?

Surprise Lake Main Camp reports serving 25 people through 3 service connections in Putnam County, New York.

Where does Surprise Lake Main Camp 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 Surprise Lake Main Camp have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1995. 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 Surprise Lake Main 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 not health-based, and the most recent began in October 1995. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Surprise Lake Main Camp's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Surprise Lake Main 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 Putnam County

Water systemCountyPopulation servedTypeSource
Carmel Wd 2Putnam5,000CommunitySurface water
Mahopac School Complex (Falls, Mms, Mhs)Putnam3,200Non-transient non-communityGroundwater
Cold Spring VillagePutnam2,666CommunitySurface water
Brewster VillagePutnam2,162CommunityGroundwater
Continental Village WdPutnam1,509CommunityPurchased surface water
Mount Ebo WsPutnam1,500CommunityGroundwater

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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, “Surprise Lake Main Camp, PWSID NY3930009, New York”, https://aquacensus.com/water-systems/new-york/surprise-lake-main-camp-ny3930009 (data as of October 1, 2026).