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Community Water System · PWS NY2902841

WA of Great Neck North

Great Neck, New York 11021 - drinking water served from groundwater sources to 31,400 people, tracked in EPA SDWIS and UCMR5.

31,400
People served
13
EPA violations
2
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 13 drinking-water violations at WA of Great Neck North, 15% of them health-based - below the New York per-system average.

13
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
31,400
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: WA of Great Neck North

WA of Great Neck North is a public/private-owned community water system that delivers drinking water to 31,400 residents in Great Neck, New York through 8,345 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 13 total violations for this system , of which 2 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Heptachlor epoxide, recorded in 4 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

WA of Great Neck North's 13 violations sit below the New York average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
31,400
Total Violations
13
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
8,345
School/Daycare
No
MCL Violations
2
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Heptachlor epoxide MR 4 2012
Coliform (TCR) MR 4 2002
Nitrate MR 3 2003
Coliform (TCR) MCL 2 1994

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 439 samples detected PFAS.

Contaminant Date Result MRL Status
PFOS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
8:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/20/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/20/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/20/2023 <2.00 ppt 2.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for WA of Great Neck North.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY2902841 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health, Public Water Systems is the primacy agency that licenses and inspects WA of Great Neck North under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health, Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2012 Heptachlor epoxide MR 4 SDWIS / NY2902841 / 2067
2003 Nitrate MR 3 SDWIS / NY2902841 / 1040
2002 Coliform (TCR) MR 4 SDWIS / NY2902841 / 3100
1994 Coliform (TCR) MCL 2 SDWIS / NY2902841 / 3100

How WA of Great Neck North Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric WA of Great Neck North New York avg Federal benchmark
Total violations 13 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 31,400 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WA of Great Neck North water safe to drink? ▼
WA of Great Neck North (PWS ID: NY2902841) has 13 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 31,400 people using Groundwater sources.
How many people does WA of Great Neck North serve? ▼
WA of Great Neck North serves 31,400 people in Great Neck, New York. It is a Public/Private-owned system using Groundwater water sources with 8,345 service connections.
What type of violations does WA of Great Neck North have? ▼
WA of Great Neck North has 13 total violations: 2 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WA of Great Neck North water? ▼
No. WA of Great Neck North was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does WA of Great Neck North use? ▼
WA of Great Neck North uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.