What was found in ZIP 11590
The highest level seen across the suppliers serving this ZIP, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 15450 µg/L 155% of the EPA limit, in the worst sample — 10000 µg/L | 3/3 | SYR4 |
| Nitrate-Nitrite | 15450 µg/L 155% of the EPA limit, in the worst sample — 10000 µg/L | 3/3 | SYR4 |
| Copper | 490 µg/L 38% of the EPA limit 1300 µg/L | 3/3 | SYR4 |
| Barium | 251 µg/L 13% of the EPA limit 2000 µg/L | 3/3 | SYR4 |
| Fluoride | 220 µg/L 5.5% of the EPA limit 4000 µg/L | 1/3 | SYR4 |
| cis-1,2-Dichloroethylene | 87.1 µg/L 124% of the EPA limit, in the worst sample — 70 µg/L | 2/3 | SYR4 |
| 1,1,1-Trichloroethane | 76.5 µg/L 38% of the EPA limit 200 µg/L | 3/3 | SYR4 |
| 1,1-Dichloroethylene | 28 µg/L 400% of the EPA limit, in the worst sample — 7 µg/L | 3/3 | SYR4 |
| Chromium | 26 µg/L 26% of the EPA limit 100 µg/L | 1/3 | SYR4 |
| Tetrachloroethylene | 20 µg/L 400% of the EPA limit, in the worst sample — 5 µg/L | 3/3 | SYR4 |
| Carbon Tetrachloride | 19.87 µg/L 397% of the EPA limit, in the worst sample — 5 µg/L | 1/3 | SYR4 |
| Trichloroethylene | 19.39 µg/L 388% of the EPA limit, in the worst sample — 5 µg/L | 3/3 | SYR4 |
| Chloroform | 15.4 µg/L No EPA limit set | 1/3 | SYR4 |
| Benzene | 12.92 µg/L 258% of the EPA limit, in the worst sample — 5 µg/L | 1/3 | SYR4 |
| 1,1,2-Trichloroethane | 8.6 µg/L 172% of the EPA limit, in the worst sample — 5 µg/L | 1/3 | SYR4 |
| Lead | 8.37 µg/L 56% of the EPA limit 15 µg/L | 3/3 | SYR4 |
| Gross Beta Particle Activity | 6.4 pCi/L No EPA limit set | 3/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.36 pCi/L 42% of the EPA limit 15 pCi/L | 2/3 | SYR4 |
| Combined Uranium | 5.17 µg/L 17% of the EPA limit 30 µg/L | 3/3 | SYR4 |
| Arsenic | 5 µg/L 50% of the EPA limit 10 µg/L | 1/3 | SYR4 |
| Bromodichloromethane | 4.7 µg/L No EPA limit set | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 4.19 pCi/L 84% of the EPA limit 5 pCi/L | 3/3 | SYR4 |
| Selenium | 4 µg/L 8% of the EPA limit 50 µg/L | 1/3 | SYR4 |
| TTHM | 4 µg/L 5% of the EPA limit 80 µg/L | 1/3 | SYR4 |
| Dibromochloromethane | 3.7 µg/L No EPA limit set | 1/3 | SYR4 |
| Bromoform | 3.3 µg/L No EPA limit set | 1/3 | SYR4 |
| Thallium, Total | 3.2 µg/L 160% of the EPA limit, in the worst sample — 2 µg/L | 2/3 | SYR4 |
| 1,2-Dichloroethane | 3 µg/L 60% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Toluene | 2.1 µg/L 0.2% of the EPA limit 1000 µg/L | 2/3 | SYR4 |
| Mercury | 2 µg/L 100% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| Vinyl Chloride | 1.74 µg/L 87% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| Dichloroacetic Acid | 1.7 µg/L No EPA limit set | 1/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 1.7 µg/L 2.8% of the EPA limit 60 µg/L | 1/3 | SYR4 |
| Cadmium | 1.62 µg/L 32% of the EPA limit 5 µg/L | 2/3 | SYR4 |
| Antimony, Total | 1.6 µg/L 27% of the EPA limit 6 µg/L | 2/3 | SYR4 |
| Beryllium, Total | 1.33 µg/L 33% of the EPA limit 4 µg/L | 2/3 | SYR4 |
| trans-1,2-Dichloroethylene | 1.21 µg/L 1.2% of the EPA limit 100 µg/L | 2/3 | SYR4 |
| Styrene | 1.17 µg/L 1.2% of the EPA limit 100 µg/L | 1/3 | SYR4 |
| Ethylbenzene | 0.9800 µg/L 0.1% of the EPA limit 700 µg/L | 1/3 | SYR4 |
| 1,2-Dichloropropane | 0.8900 µg/L 18% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.6400 µg/L 11% of the EPA limit 6 µg/L | 1/3 | SYR4 |
| Pentachlorophenol | 0.1200 µg/L 12% of the EPA limit 1 µg/L | 2/3 | SYR4 |
| Ethylene Dibromide | 0.0540 µg/L 108% of the EPA limit, in the worst sample — 0.0500 µg/L | 2/3 | SYR4 |
| PFOA | 0.0076 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Pfpea | 0.0042 µg/L No EPA limit set | 2/3 | UCMR-5 |
| Pfhxa | 0.0033 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
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 single worst sample on
record — over 100% is worth reading, but is not by itself a violation.
Formal violations are listed separately.
Water suppliers serving ZIP 11590
| Supplier | State | Population served |
|---|---|---|
| TOWN OF HEMPSTEAD WATER DEPARTMENT | NY | 110,000 |
| WESTBURY WD | NY | 20,500 |
| CARLE PLACE WD | NY | 9,005 |
Frequently asked questions about ZIP 11590 tap water
Is the tap water in ZIP 11590 safe to drink?
EPA testing detected 47 contaminants across the water suppliers serving ZIP 11590. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 11590?
3 public water suppliers report EPA drinking-water monitoring for ZIP 11590. Each is listed above with its population served.
What contaminants are in ZIP 11590's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Copper, Barium, Fluoride, and others across this ZIP's suppliers. The full list with levels and sources is above.