PlainWater

Community Water System · PWS NY2902845

Plainview WD

Plainview, New York 11803 - drinking water served from groundwater sources to 34,000 people, tracked in EPA SDWIS and UCMR5.

34,000
People served
236
EPA violations
8
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 236 drinking-water violations at Plainview WD, 3% of them health-based - above the New York per-system average, and UCMR5 testing detected 1 PFAS compound.

236
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
34,000
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Plainview WD

Plainview WD is a public/private-owned community water system that delivers drinking water to 34,000 residents in Plainview, New York (Nassau County) through 10,329 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 236 total violations for this system , of which 8 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 224 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Endrin, recorded in 8 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 10.9 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Plainview WD's 236 violations sit above 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
34,000
Total Violations
236
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
10,329
County
Nassau
School/Daycare
No
MCL Violations
8
Monitoring Violations
224
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Endrin MR 8 2011
BHC-GAMMA MR 8 2011
OXAMYL MR 8 2011
Simazine MR 8 2011
Di(2-ethylhexyl) phthalate MR 8 2011
Picloram MR 8 2011
Dinoseb MR 8 2011
Aldicarb MR 8 2011
LASSO MR 8 2011
Heptachlor epoxide MR 8 2011
2,4-D MR 8 2011
HEXACHLOROBENZENE MR 8 2011
Methoxychlor MR 8 2011
Dalapon MR 8 2011
Hexachlorocyclopentadiene MR 8 2011
Aldicarb sulfone MR 8 2011
Heptachlor MR 8 2011
2,4,5-TP MR 8 2011
Benzo(a)pyrene MR 8 2011
Total Polychlorinated Biphenyls (PCB) MR 8 2011
Toxaphene MR 8 2011
Chlordane MR 8 2011
Carbofuran MR 8 2011
Di(2-ethylhexyl) adipate MR 8 2011
ETHYLENE DIBROMIDE MR 8 2011
Atrazine MR 8 2011
Pentachlorophenol MR 8 2011
Aldicarb sulfoxide MR 8 2011
Tetrachloroethylene MCL 4 2017
cis-1,2-Dichloroethylene MCL 4 2017

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 8/20/2024 <20.00 ppt 20.00 ppt Not Detected
9Cl-PF3ONS 8/20/2024 <2.00 ppt 2.00 ppt Not Detected
8:2 FTS 8/20/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFUnA 8/20/2024 <2.00 ppt 2.00 ppt Not Detected
PFDA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/20/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 8/20/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/9/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 7/9/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 7/9/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/9/2024 <20.00 ppt 20.00 ppt Not Detected
PFHpS 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/9/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/9/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFBS 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/9/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/9/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/9/2024 <3.00 ppt 3.00 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 Plainview WD.

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 NY2902845 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 Plainview WD 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
2017 Tetrachloroethylene MCL 4 SDWIS / NY2902845 / 2987
2017 cis-1,2-Dichloroethylene MCL 4 SDWIS / NY2902845 / 2380
2011 Endrin MR 8 SDWIS / NY2902845 / 2005
2011 BHC-GAMMA MR 8 SDWIS / NY2902845 / 2010
2011 OXAMYL MR 8 SDWIS / NY2902845 / 2036
2011 Simazine MR 8 SDWIS / NY2902845 / 2037
2011 Di(2-ethylhexyl) phthalate MR 8 SDWIS / NY2902845 / 2039
2011 Picloram MR 8 SDWIS / NY2902845 / 2040
2011 Dinoseb MR 8 SDWIS / NY2902845 / 2041
2011 Aldicarb MR 8 SDWIS / NY2902845 / 2047
2011 LASSO MR 8 SDWIS / NY2902845 / 2051
2011 Heptachlor epoxide MR 8 SDWIS / NY2902845 / 2067
2011 2,4-D MR 8 SDWIS / NY2902845 / 2105
2011 HEXACHLOROBENZENE MR 8 SDWIS / NY2902845 / 2274
2011 Methoxychlor MR 8 SDWIS / NY2902845 / 2015

How Plainview WD Compares

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

Metric Plainview WD New York avg Federal benchmark
Total violations 236 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 34,000 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 Plainview WD water safe to drink?
Plainview WD (PWS ID: NY2902845) has 236 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 34,000 people using Groundwater sources.
How many people does Plainview WD serve?
Plainview WD serves 34,000 people in Plainview, New York. It is a Public/Private-owned system using Groundwater water sources with 10,329 service connections.
What type of violations does Plainview WD have?
Plainview WD has 236 total violations: 8 health-based violations (MCL exceedances or treatment failures), 224 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Plainview WD water?
Yes. UCMR5 testing detected 1 PFAS compound in Plainview WD's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Plainview WD use?
Plainview WD 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.
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.