ZipCheckup grade for 98275: A.

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

Water Quality Report
A 100

Mukilteo, WA (98275): 1 Violation Recorded for Mapped Water Systems - 100/100

EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Mukilteo Water & Wastewater Distr)

EPA records for the water systems mapped to 98275 in Mukilteo, WA contain 1 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

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
A 100/100
Water Quality Concerns 1 non-health-based violation record in EPA data
Lead Risk N/A
NFIP Claim History Claim records 5 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 1 violation (non-health) (since 2021).
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 5 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Violations on record (not health-based)
1 violation
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
A
ZIP-level Home Safety model score: 100 / 100
Home Safety Score higher than 93% of ZIP codes nationwide
3
Water Systems
31,437
People Served
0
Health Violations (since 2021)
Surface water
Water Source
Zone 3
County Radon Potential · Low
$830K
Median Home Value97% above state median ($421K)

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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

EPA water compliance
98/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
99/100
Indoor environment
100/100
Outdoor environment
100/100

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

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

Safety & Health (6) MODERATE

Your Water System

ZIP code 98275 in Mukilteo, Washington is mapped to the water system Mukilteo Water & Wastewater Distr (EPA ID: WA5357550). This system provides water to approximately 31,437 people from surface water sources.

There are 3 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Mukilteo Water & Wastewater Distr WA5357550 31,437 Surface water
Alderwood Water District WA5301300 245,715 Surface water
City of Everett Public Works Department WA5324050 215,774 Surface water

Other Water Quality Reports in Washington

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 Mukilteo Water & Wastewater Distr (WA5357550) 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 →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 98275 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.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (7) OK
Cost & Community (8) 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 Mukilteo

Based on local data for ZIP 98275, 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 Mukilteo 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)

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 98275 safe to drink?

EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 98275 (primary system: Mukilteo Water & Wastewater Distr), 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 98275's water come from?

The recorded water source for Mukilteo Water & Wastewater Distr, a system mapped to ZIP code 98275, is Surface water. This system serves approximately 31,437 people.

How does Mukilteo water compare to the national average?

Mukilteo's Home Safety Score ranks better than 93% of U.S. ZIP codes, and at or above 70% within Washington.

How can I get my water tested in Mukilteo?

If Mukilteo Water & Wastewater Distr 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 98275?

98275 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Snohomish 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 98275?

FEMA records contain 5 flood insurance claims filed in ZIP code 98275; 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). Mukilteo, WA (98275): 1 Violation Recorded for Mapped Water Systems - 100/100. https://zipcheckup.com/report/98275/
BibTeX
@misc{zipcheckup-report-98275,
  author = {{ZipCheckup}},
  title  = {{Mukilteo, WA (98275): 1 Violation Recorded for Mapped Water Systems - 100/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/98275/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 98275

ZIP Code City, State Distance Grade Violations
98204 Everett, WA 2.8 mi A 1
98213 Everett, WA 3.9 mi N/A 0
98203 Everett, WA 4.0 mi A 1
98206 Everett, WA 4.2 mi N/A 0
98087 Lynnwood, WA 4.6 mi A 0
98236 Clinton, WA 4.7 mi N/A 14
98208 Everett, WA 5.1 mi A 5
98037 Lynnwood, WA 5.6 mi A 2
98026 Edmonds, WA 6.0 mi A 3
98082 Mill Creek, WA 6.1 mi N/A 0

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2026 Rankings

ZIP 98275 scores in the top tier nationally.

Coverage: 14/17 risk factors Data sources →
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