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Public water system · NY5203346

Active

Emerald Green Lake Louise Marie Wc

At a glance

Emerald Green Lake Louise Marie Wc (PWSID NY5203346) is an active community water system in Sullivan County, New York. It reports serving 2,400 people through 842 service connections. Its primary water source is surface water, 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 November 2022.

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

Population served

2,400

Service connections

842

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDNY5203346
System typeCommunity water system
Activity statusActive
Population served2,400
Service connections842
Primary water sourceSurface water
Owner typePrivate
Primacy agencyNY state drinking water program
City servedThompson (T)
StateNew York
ZIP—
CountySullivan County

How does Emerald Green Lake Louise Marie Wc compare with other water systems in Sullivan County?

By EPA's size categories, Emerald Green Lake Louise Marie Wc is a small system (501 to 3,300 people). Sullivan County has 497 active public water systems. Its population served is about 9.1 times the county average of 264 people per system, and accounts for 1.8% 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 community water system reports serving 6,703 people, so Emerald Green Lake Louise Marie Wc is about 64% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 296 New York systems (3.6%) list surface water as their primary source.

Who owns and regulates Emerald Green Lake Louise Marie Wc?

EPA lists Emerald Green Lake Louise Marie Wc 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 Emerald Green Lake Louise Marie Wc have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2022. The violations listed here began between August 2016 and November 2022. By type: 7 monitoring and 5 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 9 as resolved and 3 as archived. 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. 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
2022-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2020-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Carbon, totalcode 2920NoArchived
2020-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Carbon, totalcode 2920NoArchived
2019-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2017-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2016-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

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.

Emerald Green Lake Louise Marie Wc: frequently asked questions

Who runs Emerald Green Lake Louise Marie Wc?

Emerald Green Lake Louise Marie Wc (PWSID NY5203346) is a community water system privately owned. It is regulated by the NY state drinking water program.

How many people does Emerald Green Lake Louise Marie Wc serve?

Emerald Green Lake Louise Marie Wc reports serving 2,400 people through 842 service connections in Sullivan County, New York.

Where does Emerald Green Lake Louise Marie Wc get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Emerald Green Lake Louise Marie Wc 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 November 2022. 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 Emerald Green Lake Louise Marie Wc'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 November 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.

Where can I find Emerald Green Lake Louise Marie Wc's water quality report?

As a community water system, Emerald Green Lake Louise Marie Wc 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 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, “Emerald Green Lake Louise Marie Wc, PWSID NY5203346, New York”, https://aquacensus.com/water-systems/new-york/emerald-green-lake-louise-marie-wc-ny5203346 (data as of October 1, 2026).