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Public water system · NY5230218

Active

Yo1 Center

At a glance

Yo1 Center (PWSID NY5230218) is an active non-transient non-community water system in Sullivan County, New York. It reports serving 295 people through 1 service connection. 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 June 2023.

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

Population served

295

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNY5230218
System typeNon-transient non-community water system
Activity statusActive
Population served295
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedThompson (T)
StateNew York
ZIP—
CountySullivan County

How does Yo1 Center compare with other water systems in Sullivan County?

By EPA's size categories, Yo1 Center is a very small system (500 people or fewer). Sullivan County has 497 active public water systems. Its population served is about 12% above the county average of 264 people per system, and accounts for 0.2% of the 131,057 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 non-transient non-community water system reports serving 430 people, so Yo1 Center is about 31% below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New York has 704 active non-transient non-community water systems, 8.6% 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 Yo1 Center?

EPA lists Yo1 Center 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. 449 of the 497 active systems in Sullivan County (90%) are also privately owned.

Does Yo1 Center have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in June 2023. The violations listed here began between January 2023 and June 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Picloram, Lindane (gamma-BHC) and Hexachlorocyclopentadiene. 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
2023-06-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Lindane (gamma-BHC)code 2010NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Hexachlorocyclopentadienecode 2042NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Aldicarbcode 2047NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved

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.

Yo1 Center: frequently asked questions

Who runs Yo1 Center?

Yo1 Center (PWSID NY5230218) is a non-transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Yo1 Center serve?

Yo1 Center reports serving 295 people through 1 service connection in Sullivan County, New York.

Where does Yo1 Center 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 Yo1 Center 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 June 2023. 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 Yo1 Center'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 June 2023. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find Yo1 Center's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Yo1 Center is a non-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 Sullivan County

Water systemCountyPopulation servedTypeSource
Monticello VillageSullivan8,000CommunitySurface water
Fallsburg Who-Ls-SfSullivan7,850CommunityGroundwater
Bethel Woods Center for the ArtsSullivan5,000Transient non-communityGroundwater
Liberty VillageSullivan3,900CommunitySurface water
Stevensville+RflSullivan3,250CommunityGroundwater
Swan in Swan LakeSullivan2,900CommunityGroundwater

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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, “Yo1 Center, PWSID NY5230218, New York”, https://aquacensus.com/water-systems/new-york/yo1-center-ny5230218 (data as of October 1, 2026).