Water Quality Report

Dublin, CA (94568): PFAS Detected in Mapped Water Systems

EPA data combined for 4 water systems mapped to this ZIP (largest mapped system: Zone 7 Water Agency)

PFAS Detected

EPA records for the water systems mapped to 94568 in Dublin, 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
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality PFAS above MCL
Lead Risk Moderate 0.0067 mg/L, 90th percentile, sample period ending 2021-12-31
NFIP Claim History Claim records 5 claims
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 of 0.0067 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
  • PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 5 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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
4
Water Systems
40
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.0067 mg/L
Reported Lead Result2.9× the national median for this measure
Zone 2
County Radon Potential · Moderate
$1224K
Median Home Value95% above state median ($629K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
100/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
100/100
Indoor environment
50/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

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

Safety & Health (7) HIGH

Your Water System

ZIP code 94568 in Dublin, California is mapped to the water system Zone 7 Water Agency (EPA ID: CA0110010). This system provides water to approximately 40 people from surface water sources.

There are 4 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Zone 7 Water Agency CA0110010 40 Surface water
Dublin San Ramon Services District CA0110009 98,776 Surface water
City of Livermore CA0110011 38,892 Surface water
City of Pleasanton CA0110008 76,689 Surface water

Other Water Quality Reports in California

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Zone 7 Water Agency (CA0110010) on EPA.gov.

3 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 94568. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.

Detected compounds: PFOS, PFHxS, PFBA, PFBS, PFOA, PFPeS, PFPeA, PFHxA.

Highest measured level: 0.026 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.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) CRITICAL
Home & Infrastructure (6) OK
Cost & Community (9) OK

CPSC product recall notices

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

View all recalls →

📊 CPSC · View source →

Protect Your Home in Dublin

Based on local data for ZIP 94568, 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 Dublin has 5 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)

Roofing Inspection & Repair

Active weather alerts in California increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service 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 94568 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 94568 (primary system: Zone 7 Water Agency), 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 94568's water come from?

The recorded water source for Zone 7 Water Agency, a system mapped to ZIP code 94568, is Surface water. This system serves approximately 40 people.

How can I get my water tested in Dublin?

If Zone 7 Water Agency 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 94568 tap water?

The Lead and Copper Rule record selected for 94568 reports a 90th-percentile lead result of 0.0067 mg/L for a water system mapped to this ZIP (record date 2021-12-31). 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 94568?

94568 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Alameda 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 94568's water?

Yes, PFAS have been detected in samples from water systems mapped to 94568. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 94568?

FEMA records contain 5 flood insurance claims filed in ZIP code 94568; the recorded rated-zone value (the most frequent one if there are several claims) is AE, 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

APA ZipCheckup. (2026). Dublin, CA (94568): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/94568/
BibTeX
@misc{zipcheckup-report-94568,
  author = {{ZipCheckup}},
  title  = {{Dublin, CA (94568): PFAS Detected in Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/94568/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 94568

ZIP Code City, State Distance Grade Violations
94588 Pleasanton, CA 2.5 mi N/A 0
94537 Fremont, CA 2.5 mi N/A 0
94540 Hayward, CA 2.5 mi N/A 0
94557 Hayward, CA 2.5 mi N/A 0
94583 San Ramon, CA 3.2 mi N/A 0
94582 San Ramon, CA 3.3 mi N/A 0
94566 Pleasanton, CA 4.4 mi N/A 0
94570 Moraga, CA 4.6 mi N/A 0
94575 Moraga, CA 4.6 mi N/A 0
94552 Castro Valley, CA 6.3 mi N/A 2

Contaminants Detected in 94568

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Coverage: 14/17 risk factors Data sources →
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