Home hazard report for 11815 — Hicksville, NY
ZIP 11815 is served by Carle Place WD: no health-based violations since 2016, latest lead result 1 ppb, PFAS not detected. Nassau is in EPA radon zone 3.
No health-based violations reported since 2016.
90th-percentile lead in the latest round (Jan 2021). Lead comes mostly from household plumbing and service lines, so individual homes can be higher.
None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.
Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.
Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code.
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Where ZIP 11815 is
blue: utility service area · scroll or pinch to zoomDrinking water: Carle Place WD
Health-based violations
No health-based violations reported since 2016.
Lead
90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.
PFAS (“forever chemicals”)
| Compound | Highest result | Samples with detection | EPA limit |
|---|---|---|---|
| PFDA | not detected | 0 of 5 | — |
| PFHxA | not detected | 0 of 5 | — |
| PFPeA | not detected | 0 of 5 | — |
| PFOA | not detected | 0 of 5 | 4 ppt MCL |
| HFPO-DA (GenX) | not detected | 0 of 5 | — |
| PFOS | not detected | 0 of 5 | 4 ppt MCL |
| PFBS | not detected | 0 of 5 | — |
| PFHpA | not detected | 0 of 5 | — |
| PFHxS | not detected | 0 of 5 | — |
| PFNA | not detected | 0 of 5 | — |
| PFBA | not detected | 0 of 5 | — |
EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.
Radon in Nassau
EPA radon zone 3 — low potential. Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.
Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →
Superfund sites nearby
| Site | Status | Distance |
|---|---|---|
| Old Roosevelt Field Contaminated Ground Water Area Garden City, New York · EPA ID NYSFN0204234 | Active (final NPL) | 1.7 mi |
| Pasley Solvents & Chemicals, Inc. Hempstead, New York · EPA ID NYD991292004 | Cleaned up & deleted | 1.9 mi |
| New Cassel/Hicksville Ground Water Contamination New Cassel/Hicksville, New York · EPA ID NY0001095363 | Active (final NPL) | 2.2 mi |
| Jackson Steel Mineola, North Hempstead, New York · EPA ID NYD001344456 | Cleaned up & deleted | 2.9 mi |
| Anchor Chemicals Hicksville, New York · EPA ID NYD001485226 | Cleaned up & deleted | 3.0 mi |
| Fulton Avenue North Hempstead, New York · EPA ID NY0000110247 | Active (final NPL) | 3.2 mi |
| Genzale Plating Co. Franklin Square, New York · EPA ID NYD002050110 | Active (final NPL) | 4.8 mi |
| Hooker Chemical & Plastics Corp./Ruco Polymer Corp. Hicksville, New York · EPA ID NYD002920312 | Active (final NPL) | 5.1 mi |
| Applied Environmental Services Glenwood Landing, New York · EPA ID NYD980535652 | Active (final NPL) | 5.3 mi |
| Port Washington Landfill Port Washington, New York · EPA ID NYD980654206 | Active (final NPL) | 5.5 mi |
EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.
What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.
Questions about 11815
Who supplies drinking water to ZIP 11815?
Carle Place WD (EPA ID NY2902818), a groundwater (wells) system serving about 9,005 people.
Is there lead in Hicksville, NY tap water?
The utility’s latest 90th-percentile lead result (Jan 2021) was 1 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.
Does Hicksville, NY water have PFAS?
None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.
Has the water system in 11815 had violations?
No health-based violations reported since 2016.
Are there Superfund sites near 11815?
Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Old Roosevelt Field Contaminated Ground Water Area (1.7 mi, Active (final NPL)); Pasley Solvents & Chemicals, Inc. (1.9 mi, Cleaned up & deleted); New Cassel/Hicksville Ground Water Contamination (2.2 mi, Active (final NPL)).
Is radon a problem in Nassau?
Nassau is in EPA radon zone 3 (low potential). Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.