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Public water system · NY5501279

Active

Treeline Trailer Park

At a glance

Treeline Trailer Park (PWSID NY5501279) is an active community water system in Ulster County, New York. It reports serving 51 people through 17 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.

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

Population served

51

Service connections

17

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNY5501279
System typeCommunity water system
Activity statusActive
Population served51
Service connections17
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedPlattekill (T)
StateNew York
ZIP—
CountyUlster County

How does Treeline Trailer Park compare with other water systems in Ulster County?

By EPA's size categories, Treeline Trailer Park is a very small system (500 people or fewer). Ulster County has 446 active public water systems. Its population served is well below the county average of 298 people per system, and accounts for less than 0.1% of the 133,020 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 Treeline Trailer Park 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 Treeline Trailer Park?

EPA lists Treeline Trailer Park 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. 384 of the 446 active systems in Ulster County (86%) are also privately owned.

Does Treeline Trailer Park have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2007 and October 2024. By type: 10 monitoring and reporting, 1 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (2 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2016-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2016-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Polychlorinated biphenyls (PCBs), totalcode 2383NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved

The 12 most recent 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.

Treeline Trailer Park: frequently asked questions

Who runs Treeline Trailer Park?

Treeline Trailer Park (PWSID NY5501279) is a community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Treeline Trailer Park serve?

Treeline Trailer Park reports serving 51 people through 17 service connections in Ulster County, New York.

Where does Treeline Trailer Park 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 Treeline Trailer Park have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. 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 Treeline Trailer Park'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Treeline Trailer Park's water quality report?

As a community water system, Treeline Trailer Park 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 Ulster County

Water systemCountyPopulation servedTypeSource
Kingston (City) Water DistrictUlster24,000CommunitySurface water
New Paltz (Village) Water DistUlster7,523CommunitySurface water
Ulster Water DistrictUlster5,500CommunityPurchased surface water
Port Ewen Water DistrictUlster4,500CommunitySurface water
Ellenville (Village) Water DisUlster4,300CommunityGroundwater
Saugerties (Village) Water DisUlster4,200CommunitySurface 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, “Treeline Trailer Park, PWSID NY5501279, New York”, https://aquacensus.com/water-systems/new-york/treeline-trailer-park-ny5501279 (data as of October 1, 2026).