ZipCheckup grade for 11421: A.
Checked records flag no major concern; missing data is unknown.
Woodhaven, NY (11421): High Radon Potential Area - 100/100
EPA data for New York City System
EPA records for the water systems mapped to 11421 in Woodhaven, NY contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.01 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 15 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Score Breakdown
Overall Home Safety Score: 100/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 11421 in Woodhaven, New York is mapped to the water system New York City System (EPA ID: NY7003493). This system provides water to approximately 8,271,000 people from surface water sources.
Other Water Quality Reports in New York
- 06390 (Fishers Island)
- 10001 (New York)
- 10002 (New York)
- 10003 (New York)
- 10004 (New York)
- 10005 (New York)
- 10006 (New York)
- 10007 (New York)
- 10008 (New York)
- 10009 (New York)
- 10010 (New York)
- 10011 (New York)
- 10012 (New York)
- 10013 (New York)
- 10014 (New York)
- 10015 (New York)
- 10016 (New York)
- 10017 (New York)
- 10018 (New York)
- 10019 (New York)
Nearby Water Quality Reports
- 11431 (Jamaica) - <1 mi
- 11416 (Ozone Park) - <1 mi
- 11417 (Ozone Park) - 1 mi
- 11208 (Brooklyn) - 1 mi
- 11418 (Richmond Hill) - 1 mi
- 11415 (Kew Gardens) - 2 mi
- 11419 (South Richmond Hill) - 2 mi
- 11379 (Middle Village) - 2 mi
- 11385 (Ridgewood) - 2 mi
- 11375 (Forest Hills) - 2 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for New York City System (NY7003493) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 11421 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (11) CRITICAL
Home & Infrastructure (7) HIGH
Possible home maintenance concerns - talk to a local expert.
Call (855) 384-4856Paid Partner This is a free service. You will be connected with an independent service provider. We may receive compensation.
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Woodhaven
Based on local data for ZIP 11421, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Woodhaven has 15 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 11421 was built around 1902. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Woodhaven is 1902; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1902 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 11421 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 11421 (primary system: New York City System), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 11421's water come from?
The recorded water source for New York City System, a system mapped to ZIP code 11421, is Surface water. This system serves approximately 8,271,000 people.
How does Woodhaven water compare to the national average?
Woodhaven's Home Safety Score ranks better than 93% of U.S. ZIP codes, and at or above 69% within New York.
How can I get my water tested in Woodhaven?
If New York City System supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 11421 tap water?
The Lead and Copper Rule record selected for 11421 reports a 90th-percentile lead result of 0.01 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 11421?
11421 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Queens County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 11421?
FEMA records contain 15 flood insurance claims filed in ZIP code 11421; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Woodhaven, NY (11421): High Radon Potential Area - 100/100. https://zipcheckup.com/report/11421/
@misc{zipcheckup-report-11421,
author = {{ZipCheckup}},
title = {{Woodhaven, NY (11421): High Radon Potential Area - 100/100}},
year = {2026},
url = {https://zipcheckup.com/report/11421/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 11421
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 11431 | Jamaica, NY | <1 mi | N/A | 0 |
| 11416 | Ozone Park, NY | <1 mi | A | 0 |
| 11417 | Ozone Park, NY | 1.2 mi | A | 0 |
| 11208 | Brooklyn, NY | 1.3 mi | A | 0 |
| 11418 | Richmond Hill, NY | 1.3 mi | A | 0 |
| 11415 | Kew Gardens, NY | 1.9 mi | A | 0 |
| 11419 | South Richmond Hill, NY | 1.9 mi | A | 0 |
| 11379 | Middle Village, NY | 2.1 mi | A | 0 |
| 11385 | Ridgewood, NY | 2.1 mi | A | 0 |
| 11375 | Forest Hills, NY | 2.3 mi | A | 0 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
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Compare Tool →2026 Rankings
ZIP 11421 scores in the top tier nationally.