Water Contamination
Contaminants
Understand the Problem
Formaldehyde is found in particle board, plastics, textiles, glues and other consumer products. Formaldehyde in drinking water can form as a byproduct of ozonation. Formaldehyde irritates the eyes, nose, throat and skin; long-term exposure can cause cancer.
| UTILITIES WITH CONTAMINATION | |||
|---|---|---|---|
| State | Utilities | People Served | |
| New York | 6 | 230,036 | |
| California | 3 | 3,263 | |
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Garden City Park WD | Garden City Park, NY | 23 of 114 | 1.61 ppb | 18,000 |
| Water Authority of Western Nassau | New Hyde Park, NY | 2 of 15 | 1.50 ppb | 120,000 |
| Casa De Fruta Water System | Hollister, CA | 1 of 3 | 1.20 ppb | 250 |
| Aromas Water District | Aromas, CA | 1 of 4 | 0.625 ppb | 2,988 |
| Carle Place Water District | Carle Place, NY | 1 of 34 | 0.241 ppb | 9,005 |
| West Hempstead WD* | West Hempstead, NY | 1 of 35 | 0.151 ppb | 33,531 |
| Cathedral Gardens Water District | West Hempstead, NY | 1 of 35 | 0.151 ppb | 1,500 |
| Thousand Trails San Benito Preserve | Paicines, CA | 2 of 39 | 0.105 ppb | 25 |
| Hicksville WD | Hicksville, NY | 1 of 112 | 0.0482 ppb | 48,000 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Formaldehyde, but it likely has the contaminant in its water supply.
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Garden City Park WD | Garden City Park, NY | 23 of 114 | 1.61 ppb | 18,000 |
| Water Authority of Western Nassau | New Hyde Park, NY | 2 of 15 | 1.50 ppb | 120,000 |
| West Hempstead WD* | West Hempstead, NY | 1 of 35 | 0.151 ppb | 33,531 |
| Hicksville WD | Hicksville, NY | 1 of 112 | 0.0482 ppb | 48,000 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Formaldehyde, but it likely has the contaminant in its water supply.
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