ZipCheckup grade for 98110: A.

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

Health Violations Found
A 97

Bainbridge Island, WA: 1 Health-Based Violation Recorded for Mapped Water Systems - 97/100

EPA data combined for 9 water systems mapped to this ZIP (largest mapped system: City of Bainbridge Island)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 98110 in Bainbridge Island, WA contain 8 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 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 97/100
Water Quality Issues 1 health-based violation
Lead Risk Below action level 0.003 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 69 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 health-based violation and 7 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.003 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.
  • Flood 69 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
8 violations 1 health-based
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: 97 / 100
Home Safety Score higher than 88% of ZIP codes nationwide
9
Water Systems
13,491
People Served
1
Health Violations (since 2021)Median is 0
Groundwater
Water Source
0.003 mg/L
Reported Lead Result1.3× the national median for this measure
Zone 3
County Radon Potential · Low
$1076K
Median Home Value156% above state median ($421K)

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Score Breakdown

Overall Home Safety Score: 97/100

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
82/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
91/100
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) CRITICAL

Your Water System

ZIP code 98110 in Bainbridge Island, Washington is mapped to the water system City of Bainbridge Island (EPA ID: WA5397650). This system provides water to approximately 13,491 people from groundwater sources.

There are 9 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of Bainbridge Island WA5397650 13,491 Groundwater
North Bainbridge Water Company WA5359994 5,490 Groundwater
South Bainbridge WA5381451 4,414 Groundwater
Meadowmeer WA5353275 1,157 Groundwater
Graham Place WA5325341 41 Groundwater

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 City of Bainbridge Island (WA5397650) 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 98110 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) CRITICAL
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 Bainbridge Island

Based on local data for ZIP 98110, 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 Bainbridge Island has 69 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)

Gutter Installation & Repair

The median home in 98110 was built around 1982. 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 Bainbridge Island is 1982; 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

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 98110 safe to drink?

EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 98110 (primary system: City of Bainbridge Island), including 1 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 98110's water come from?

The recorded water source for City of Bainbridge Island, a system mapped to ZIP code 98110, is Groundwater. This system serves approximately 13,491 people.

How does Bainbridge Island water compare to the national average?

Bainbridge Island's Home Safety Score ranks better than 88% of U.S. ZIP codes, and lower than 54% of ZIP codes within Washington.

How can I get my water tested in Bainbridge Island?

If City of Bainbridge Island 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 98110 tap water?

The Lead and Copper Rule record selected for 98110 reports a 90th-percentile lead result of 0.003 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 98110?

98110 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Kitsap 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 98110?

FEMA records contain 69 flood insurance claims filed in ZIP code 98110; 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. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Bainbridge Island, WA: 1 Health-Based Violation Recorded for Mapped Water Systems - 97/100. https://zipcheckup.com/report/98110/
BibTeX
@misc{zipcheckup-report-98110,
  author = {{ZipCheckup}},
  title  = {{Bainbridge Island, WA: 1 Health-Based Violation Recorded for Mapped Water Systems - 97/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/98110/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 98110

ZIP Code City, State Distance Grade Violations
98061 Rollingbay, WA 2.9 mi N/A 0
98311 Bremerton, WA 4.8 mi A 3
98310 Bremerton, WA 5.3 mi A 1
98345 Keyport, WA 5.3 mi N/A 2
98353 Manchester, WA 5.4 mi A 1
98393 Tracyton, WA 5.4 mi N/A 0
98392 Suquamish, WA 6.0 mi A 5
98139 Seattle, WA 6.4 mi N/A 0
98199 Seattle, WA 6.6 mi A 0
98337 Bremerton, WA 7.2 mi A 1

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2026 Rankings

ZIP 98110 scores in the top tier nationally.

Coverage: 15/17 risk factors Data sources →
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