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Public water system · NY5130143

Active

1983 Montauk Hwy Offices Coparts

At a glance

1983 Montauk Hwy Offices Coparts (PWSID NY5130143) is an active non-transient non-community water system in Suffolk County, New York. It reports serving 190 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2008.

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

Population served

190

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNY5130143
System typeNon-transient non-community water system
Activity statusActive
Population served190
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNY state drinking water program
City servedBrookhaven (T)
StateNew York
ZIP—
CountySuffolk County

How does 1983 Montauk Hwy Offices Coparts compare with other water systems in Suffolk County?

By EPA's size categories, 1983 Montauk Hwy Offices Coparts is a very small system (500 people or fewer). Suffolk County has 151 active public water systems. Its population served is well below the county average of 9,192 people per system, and accounts for less than 0.1% of the 1,387,972 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 1983 Montauk Hwy Offices Coparts is about 56% 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 1983 Montauk Hwy Offices Coparts?

EPA lists 1983 Montauk Hwy Offices Coparts 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. 105 of the 151 active systems in Suffolk County (70%) are also privately owned.

Does 1983 Montauk Hwy Offices Coparts have drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2008. The violations listed here began between October 2002 and January 2008. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2008-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2007-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2002-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 3 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.

1983 Montauk Hwy Offices Coparts: frequently asked questions

Who runs 1983 Montauk Hwy Offices Coparts?

1983 Montauk Hwy Offices Coparts (PWSID NY5130143) is a non-transient non-community water system privately owned. It is regulated by the NY state drinking water program.

How many people does 1983 Montauk Hwy Offices Coparts serve?

1983 Montauk Hwy Offices Coparts reports serving 190 people through 1 service connection in Suffolk County, New York.

Where does 1983 Montauk Hwy Offices Coparts 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 1983 Montauk Hwy Offices Coparts have any drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2008. 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 1983 Montauk Hwy Offices Coparts' 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 3 violations for this system; 1 is health-based, and the most recent began in January 2008. For current results, consult EPA ECHO, or the NY state drinking water program.

Where can I find 1983 Montauk Hwy Offices Coparts' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 1983 Montauk Hwy Offices Coparts 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 Suffolk County

Water systemCountyPopulation servedTypeSource
Suffolk County Water AuthoritySuffolk1,100,000CommunityGroundwater
South Huntington Water DistrictSuffolk81,760CommunityGroundwater
Greenlawn Water DistrictSuffolk42,000CommunityGroundwater
Riverhead Water DistrictSuffolk35,000CommunityGroundwater
Dix Hills Water DistrictSuffolk34,522CommunityGroundwater
Smithtown Water DistrictSuffolk19,635CommunityPurchased groundwater

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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, “1983 Montauk Hwy Offices Coparts, PWSID NY5130143, New York”, https://aquacensus.com/water-systems/new-york/1983-montauk-hwy-offices-coparts-ny5130143 (data as of October 1, 2026).