ZipCheckup grade for 92602: A.

Checked records flag no major concern; missing data is unknown.

Water Quality Report

Irvine, CA (92602): PFAS Detected in Mapped Water Systems - 92/100

EPA data for Irvine Ranch Water District

PFAS Detected

EPA records for the water systems mapped to 92602 in Irvine, CA 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

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources

Latest air quality, EPA records and weather alerts Current data temporarily unavailable

Current EPA violation data unavailable

Safety Score

A 92/100

Water Quality No violations

Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31

NFIP Claim History N/A

Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

Water No drinking-water violations in EPA records since 2021.
Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.

Contaminant Summary

PFAS Detected

PFAS detected

Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record

ZIP-level Home Safety model score: 92 / 100

Home Safety Score higher than 84% of ZIP codes nationwide

Water System

444,800

People Served

Health Violations (since 2021)

Surface water

Water Source

Zone 3

County Radon Potential · Low

$1323K

Median Home Value110% above state median ($629K)

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Records for Irvine (92602) show 1 high-priority flag and no critical-level flag on record.

PFAS Detected in Water Supply HIGH

PFAS ("forever chemicals") have been detected in water systems serving this ZIP code. Highest level: 0.0079 µg/L.

What to do: Consider a water filter rated for PFAS reduction (NSF/ANSI 53 or 58). See PFAS Contamination below ↓ ↓

Score Breakdown

Overall Home Safety Score: 92/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance

100/100

Observed

PFAS MCL screen

100/100

Observed

EPA radon zone

100/100

Observed

Annual EPA AirData AQI

75/100

Observed

Required domains

Drinking water

100/100

Indoor environment

100/100

Outdoor environment

75/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (8) HIGH

Your Water System

ZIP code 92602 in Irvine, California is mapped to the water system Irvine Ranch Water District (EPA ID: CA3010092). This system provides water to approximately 444,800 people from surface water sources.

Other Water Quality Reports in California

Nearby Water Quality Reports

92782 (Tustin) - 2 mi
92705 (Santa Ana) - 3 mi - 1 violation recorded for mapped water systems
92620 (Irvine) - 3 mi
92618 (Irvine) - 3 mi
92711 (Santa Ana) - 4 mi
92862 (Orange) - 4 mi
92869 (Orange) - 4 mi
92781 (Tustin) - 4 mi
92604 (Irvine) - 4 mi
92650 (East Irvine) - 4 mi

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Irvine Ranch Water District (CA3010092) 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.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 92602.

Detected compounds: PFBA, PFPeA.

Highest measured level: 0.0079 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

Learn about PFAS risks → Find a PFAS filter →

📊 EPA UCMR5 · View source →

Environmental Hazards (10) CRITICAL

Home & Infrastructure (6) OK

Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 92602 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 92602 (primary system: Irvine Ranch Water District), 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 92602's water come from?

The recorded water source for Irvine Ranch Water District, a system mapped to ZIP code 92602, is Surface water. This system serves approximately 444,800 people.

How does Irvine water compare to the national average?

Irvine's Home Safety Score ranks better than 84% of U.S. ZIP codes, and at or above 80% within California.

How can I get my water tested in Irvine?

If Irvine Ranch Water District 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.

What is the radon risk for 92602?

92602 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Orange County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 92602's water?

Yes, PFAS have been detected in samples from water systems mapped to 92602. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

How to cite this page

APA

ZipCheckup. (2026). Irvine, CA (92602): PFAS Detected in Mapped Water Systems - 92/100. https://zipcheckup.com/report/92602/

BibTeX

@misc{zipcheckup-report-92602,
  author = {{ZipCheckup}},
  title  = {{Irvine, CA (92602): PFAS Detected in Mapped Water Systems - 92/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/92602/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 92602

ZIP Code	City, State	Distance	Grade	Violations
92782	Tustin, CA	2.4 mi	A	0
92705	Santa Ana, CA	2.7 mi	B	1
92620	Irvine, CA	2.9 mi	A	0
92618	Irvine, CA	3.4 mi	A	0
92711	Santa Ana, CA	3.7 mi	N/A	0
92862	Orange, CA	3.9 mi	N/A	0
92869	Orange, CA	4.1 mi	B	0
92781	Tustin, CA	4.1 mi	N/A	0
92604	Irvine, CA	4.3 mi	A	0
92650	East Irvine, CA	4.4 mi	N/A	0