ZipCheckup grade for 98134: A.

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

Water Quality Report
A 100

Seattle, WA (98134) Home Safety: 100/100

EPA data for Seattle Public Utilities

0 recorded EPA violations (2021-2026)

EPA records for the water systems mapped to 98134 in Seattle, WA 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
A 100/100
Water Quality No violations
Lead Risk Below action level 0.0016 mg/L, 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 of 0.0016 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
Contaminant Summary
Evidence unavailable
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
A
ZIP-level Home Safety model score: 100 / 100
Home Safety Score higher than 93% of ZIP codes nationwide
1
Water System
1,161,961
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.0016 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low
$385K
Median Home ValueState 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
100/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
100/100
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 (7) HIGH

Your Water System

ZIP code 98134 in Seattle, Washington is mapped to the water system Seattle Public Utilities (EPA ID: WA5377050). This system provides water to approximately 1,161,961 people from surface water sources.

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 Seattle Public Utilities (WA5377050) on EPA.gov.

4 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 98134 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 (10) CRITICAL
Home & Infrastructure (7) MODERATE

Possible home maintenance concerns - talk to a local expert.

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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 →

Protect Your Home in Seattle

Based on local data for ZIP 98134, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 98134 was built around 1960. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Seattle is 1960; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1960 may be on their second or third roof. A professional inspection can catch damage before leaks start.

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 98134 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 98134 (primary system: Seattle Public Utilities), 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 98134's water come from?

The recorded water source for Seattle Public Utilities, a system mapped to ZIP code 98134, is Surface water. This system serves approximately 1,161,961 people.

How does Seattle water compare to the national average?

Seattle'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 Seattle?

If Seattle Public Utilities 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 98134 tap water?

The Lead and Copper Rule record selected for 98134 reports a 90th-percentile lead result of 0.0016 mg/L for a water system mapped to this ZIP (record date 2025-12-31). 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 98134?

98134 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in King County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Seattle, WA (98134) Home Safety: 100/100. https://zipcheckup.com/report/98134/
BibTeX 
@misc{zipcheckup-report-98134,
  author = {{ZipCheckup}},
  title  = {{Seattle, WA (98134) Home Safety: 100/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/98134/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 98134

ZIP Code City, State Distance Grade Violations
98171 Seattle, WA <1 mi N/A 0
98194 Seattle, WA <1 mi N/A 0
98104 Seattle, WA <1 mi A 0
98164 Seattle, WA 1.1 mi N/A 0
98127 Seattle, WA 1.1 mi N/A 0
98111 Seattle, WA 1.1 mi N/A 0
98114 Seattle, WA 1.1 mi N/A 0
98124 Seattle, WA 1.1 mi N/A 0
98129 Seattle, WA 1.1 mi N/A 0
98131 Seattle, WA 1.1 mi N/A 0

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2026 Rankings

ZIP 98134 scores in the top tier nationally.

Coverage: 15/17 risk factors Data sources →
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