Is Mineola Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Local government
Counties served: Nassau

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

health-based violations

violations on file

still open

Violation	Type	Status	Period
MCL	Health-based	Resolved	1999-12-01 → 1999-12-31
MCL	Health-based	Resolved	1999-12-01 → 1999-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31
MR	Monitoring	Resolved	2014-01-01 → 2016-12-31

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).

Contaminant	Max	Detection rate	Period
Pfhxa	0.0039 µg/L	2/7	2025
PFOA	0.0041 µg/L	2/7	2025
Pfpea	0.0064 µg/L	2/7	2025
PFOS	0.0041 µg/L	1/7	2025

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Nitrate	5800 µg/L 58% of the EPA limit 10000 µg/L worst single sample: 8300 µg/L	500/500	SYR4	2012–2019
Tetrachloroethylene	17.6 µg/L 352% of the EPA limit, at the 95th percentile of samples — 5 µg/L worst single sample: 20 µg/L	262/641	SYR4	2012–2019
cis-1,2-Dichloroethylene	1.3 µg/L 1.9% of the EPA limit 70 µg/L worst single sample: 4.4 µg/L	178/687	SYR4	2012–2019
Nitrate-Nitrite	5830 µg/L 58% of the EPA limit 10000 µg/L worst single sample: 8300 µg/L	169/169	SYR4	2012–2019
Trichloroethylene	14.5 µg/L 290% of the EPA limit, at the 95th percentile of samples — 5 µg/L worst single sample: 19.9 µg/L	111/637	SYR4	2012–2019
1,1-Dichloroethylene	11 µg/L 157% of the EPA limit, at the 95th percentile of samples — 7 µg/L worst single sample: 11.9 µg/L	55/688	SYR4	2012–2019
1,1,1-Trichloroethane	3.1 µg/L 1.6% of the EPA limit 200 µg/L worst single sample: 3.5 µg/L	47/688	SYR4	2012–2019
Barium	14.49 µg/L 0.7% of the EPA limit 2000 µg/L worst single sample: 16 µg/L	47/49	SYR4	2012–2019
Copper	64.44 µg/L 5% of the EPA limit 1300 µg/L worst single sample: 130 µg/L	29/50	SYR4	2012–2019
Combined Radium (-226 And -228)	3.57 pCi/L 71% of the EPA limit 5 pCi/L worst single sample: 3.63 pCi/L	13/16	SYR4	2013–2017
Lead	2.376 µg/L 16% of the EPA limit 15 µg/L worst single sample: 2.4 µg/L	13/49	SYR4	2012–2019
Combined Uranium	4.52 µg/L 15% of the EPA limit 30 µg/L worst single sample: 4.9 µg/L	11/16	SYR4	2013–2017
Lead	0.0022 mg/L 15% of the EPA limit 0.0150 mg/L	11/11	LCR	2025
Gross Beta Particle Activity	4.0035 pCi/L No EPA limit set worst single sample: 4.26 pCi/L	10/10	SYR4	2014–2017
Bromoform	7.097 µg/L No EPA limit set worst single sample: 8.69 µg/L	7/173	SYR4	2012–2019
Dibromochloromethane	2.45 µg/L No EPA limit set worst single sample: 2.49 µg/L	5/173	SYR4	2012–2019
Selenium	2.109 µg/L 4.2% of the EPA limit 50 µg/L worst single sample: 2.11 µg/L	3/49	SYR4	2012–2019
Gross Alpha, Excl. Radon And U	1.5915 pCi/L 11% of the EPA limit 15 pCi/L worst single sample: 1.62 pCi/L	2/15	SYR4	2013–2017
Carbon Tetrachloride	0.5100 µg/L 10% of the EPA limit 5 µg/L	1/688	SYR4	2012–2019
TTHM	10.2 µg/L 13% of the EPA limit 80 µg/L	1/153	SYR4	2012–2019

87 contaminants tested, none detected

1,1,2-Trichloroethane1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneChlorobenzeneCyanideCadmiumCarbofuranChlordaneChloroformChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromoacetic AcidDichloroacetic AcidDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneFluorideGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaNitriteOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPFHXSPfmbaPfmpaPFNAPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidVinyl ChlorideLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: PALUMBO, LEONARD
Phone: 516-746-0751

Frequently asked questions about Mineola

Is Mineola tap water safe to drink?

EPA monitoring detected 24 contaminants in Mineola's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Mineola's water?

EPA monitoring detected Nitrate, Tetrachloroethylene, cis-1,2-Dichloroethylene, Nitrate-Nitrite, Trichloroethylene, and others. The full list with the level and data source for each is above.

How many people does Mineola serve?

Mineola reports serving 20,600 people in New York, per its EPA record.

Has Mineola had any water quality violations?

The EPA has 80 violations on file for Mineola, of which 2 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.