What was found in Great Neck's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 7300 µg/L 73% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Nitrate-Nitrite | 4400 µg/L 44% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Nitrite | 2480 µg/L 248% of the EPA limit, in the worst sample — 1000 µg/L | 1/1 | SYR4 |
| Fluoride | 220 µg/L 5.5% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Copper | 74 µg/L 5.7% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| Barium | 70 µg/L 3.5% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| TTHM | 59 µg/L 74% of the EPA limit 80 µg/L | 1/1 | SYR4 |
| cis-1,2-Dichloroethylene | 20.9 µg/L 30% of the EPA limit 70 µg/L | 1/1 | SYR4 |
| Tetrachloroethylene | 19 µg/L 380% of the EPA limit, in the worst sample — 5 µg/L | 1/1 | SYR4 |
| Arsenic | 18 µg/L 180% of the EPA limit, in the worst sample — 10 µg/L | 1/1 | SYR4 |
| Cyanide | 16.8 µg/L 8.4% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Beryllium, Total | 10 µg/L 250% of the EPA limit, in the worst sample — 4 µg/L | 1/1 | SYR4 |
| Bromoform | 9 µg/L No EPA limit set | 1/1 | SYR4 |
| Trichloroethylene | 8.6 µg/L 172% of the EPA limit, in the worst sample — 5 µg/L | 1/1 | SYR4 |
| Dibromochloromethane | 6.9 µg/L No EPA limit set | 1/1 | SYR4 |
| Selenium | 6 µg/L 12% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| Gross Beta Particle Activity | 2.99 pCi/L No EPA limit set | 1/1 | SYR4 |
| Bromodichloromethane | 2.6 µg/L No EPA limit set | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 2.24 pCi/L 45% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| Lead | 2 µg/L 13% of the EPA limit 15 µg/L | 1/1 | SYR4 |
| Combined Uranium | 1.40805 µg/L 4.7% of the EPA limit 30 µg/L | 1/1 | SYR4 |
| Toluene | 1.4 µg/L 0.1% of the EPA limit 1000 µg/L | 1/1 | SYR4 |
| 1,1-Dichloroethylene | 1.2 µg/L 17% of the EPA limit 7 µg/L | 1/1 | SYR4 |
| Vinyl Chloride | 1.1 µg/L 55% of the EPA limit 2 µg/L | 1/1 | SYR4 |
| Carbon Tetrachloride | 0.9100 µg/L 18% of the EPA limit 5 µg/L | 1/1 | SYR4 |
| 1,1,2-Trichloroethane | 0.6700 µg/L 13% of the EPA limit 5 µg/L | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.6000 µg/L 10% of the EPA limit 6 µg/L | 1/1 | SYR4 |
| Mercury | 0.5900 µg/L 30% of the EPA limit 2 µg/L | 1/1 | SYR4 |
| Chloroform | 0.5600 µg/L No EPA limit set | 1/1 | SYR4 |
| 1,1,1-Trichloroethane | 0.5000 µg/L 0.3% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Chlordane | 0.2100 µg/L 11% of the EPA limit 2 µg/L | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 0.2010 pCi/L 1.3% of the EPA limit 15 pCi/L | 1/1 | SYR4 |
| Heptachlor Epoxide | 0.0280 µg/L 14% of the EPA limit 0.2000 µg/L | 1/1 | SYR4 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Great Neck
| Supplier | Population served |
|---|---|
| WA OF GREAT NECK NORTH | 31,400 |
Frequently asked questions about Great Neck tap water
Is Great Neck tap water safe to drink?
EPA testing detected 34 contaminants in the water serving Great Neck. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Great Neck?
1 public water supplier report drinking-water monitoring for Great Neck, New York to the EPA. Each is listed above with its population served.
What contaminants are in Great Neck's water?
The contaminants EPA monitoring detected in Great Neck include Nitrate, Nitrate-Nitrite, Nitrite, Fluoride, Copper. The full list, with the highest level found and the data source, is in the table above.
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.