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

Home hazard report for 00605 — Aguadilla, PR

ZIP 00605 is served by Aguadilla: 42 violations since 2016, latest lead result 6 ppb, PFAS 5.3 ppt. Aguadilla is in EPA radon no zone.

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Where ZIP 00605 is

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: Aguadilla

EPA IDPR0003293
People served124,782
Sourcesurface water (rivers, lakes)
Connections46,735

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Total Haloacetic Acids (Haa5)14
Tthm14
Interim Enhanced Surface Water Treatment Rule7
Carbon, Total6
Revised Total Coliform Rule1

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 Oct 2022.

Full record for Aguadilla →

Lead

Jul 20156 ppb
Jul 20126 ppb
Jul 20099 ppb
Jun 20064 ppb
Jul 20031.5 ppb
Jul 20027.6 ppb
Jul 20014.3 ppb
Jul 20003 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”)

CompoundHighest resultSamples with detectionEPA limit
PFBA7.8 ppt2 of 32—
PFPeA6.7 ppt3 of 32—
PFOS5.3 ppt5 of 324 ppt MCL
PFBS5.2 ppt8 of 32—
PFHxA4.7 ppt2 of 32—
PFDAnot detected0 of 32—
PFHpAnot detected0 of 32—
PFHxSnot detected0 of 32—
PFNAnot detected0 of 32—
PFOAnot detected0 of 324 ppt MCL
HFPO-DA (GenX)not detected0 of 32—

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 Aguadilla

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 →

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 Aguadilla? See the 2026 conforming, FHA and jumbo loan limits for Aguadilla →

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 00605

Who supplies drinking water to ZIP 00605?

Aguadilla (EPA ID PR0003293), a surface water (rivers, lakes) system serving about 124,782 people.

Is there lead in Aguadilla, PR tap water?

The utility’s latest 90th-percentile lead result (Jul 2015) was 6 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 Aguadilla, PR water have PFAS?

Highest PFOA or PFOS result in EPA’s 2023–2025 testing was at or above 4.0 ppt, EPA’s 2024 maximum contaminant level for each. 5 PFAS compounds detected.

Has the water system in 00605 had violations?

Health-based violations since 2016: Total Haloacetic Acids (Haa5), Tthm, Interim Enhanced Surface Water Treatment Rule. All are listed as resolved.

Are there Superfund sites near 00605?

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

Is radon a problem in Aguadilla?

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