EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 00775 — Culebra, PR

ZIP 00775 is served by Culebras: 2 violations since 2016, latest lead result 8 ppb, PFAS not tested. Culebra Municipio is in EPA radon no zone.

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Where ZIP 00775 is

Dashed: ZIP area · blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: Culebras

EPA IDPR0004665
People served2,069
Sourcesurface water (rivers, lakes)
Connections775

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Total Haloacetic Acids (Haa5)2

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Apr 2020.

Full record for Culebras →

Lead

Jun 20068 ppb
Jul 20032.4 ppb
Jan 20003 ppb
Jul 19935 ppb

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”)

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

Radon in Culebra Municipio

EPA radon no zone — not mapped. EPA has not assigned this area a radon zone. Testing is the only way to know.

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 →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as not rated, with data unavailable social vulnerability and data unavailable community resilience.

FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.

Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.

Superfund sites nearby

No site on EPA’s Superfund National Priorities List lies within 10 miles of the center of this ZIP code.

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.

Buying a home in Culebra? See the 2026 conforming, FHA and jumbo loan limits for Culebra Municipio →

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 00775

Who supplies drinking water to ZIP 00775?

Culebras (EPA ID PR0004665), a surface water (rivers, lakes) system serving about 2,069 people.

Is there lead in Culebra, PR tap water?

The utility’s latest 90th-percentile lead result (Jun 2006) was 8 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 Culebra, PR water have PFAS?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).

Has the water system in 00775 had violations?

Health-based violations since 2016: Total Haloacetic Acids (Haa5). All are listed as resolved.

What natural hazards affect ZIP 00775?

FEMA’s National Risk Index rates the overall natural-hazard risk here as not rated.

Are there Superfund sites near 00775?

No active Superfund site within 10 miles of the ZIP center.

Is radon a problem in Culebra Municipio?

Culebra Municipio is in EPA radon no zone (not mapped). EPA has not assigned this area a radon zone. Testing is the only way to know.