Bainbridge Island, WA: 8 Violations - Home Safety 97/100
1 ZIP code · 5 water systems · Updated
ZipCheckup grade for Bainbridge Island: A.
No federal data flags a major home-safety concern for this ZIP.
The water systems supplying Bainbridge Island show a track record of above-average compliance with federal standards - consistently among the better performers in WA.
How Bainbridge Island Compares
Data: EPA SDWIS
Key Facts for Bainbridge Island Residents
- Your city's water systems recorded 8 violations in the past 5 years.
- Average lead level: 0.016 mg/L - exceeds the EPA action level of 0.015 mg/L.
- Homes built before 1986: 46% - older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 11.76.
Bainbridge Island's Water Providers
Residential water service in Bainbridge Island, WA is divided among 3 separate utilities, drawn from 5 systems on file with federal regulators.
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Overview
We track home safety data for 1 ZIP code in Bainbridge Island, Washington, covering 5 community water systems serving approximately 24,607 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Bainbridge Island: A (97/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Bainbridge Island water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0160 mg/L (exceeds EPA action level) (EPA action level: 0.015 mg/L)
- 1 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 8 | 1 |
| Consumer Confidence Report Rule | Reporting | 6 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 98110 | A | 8 | 1 | City of Bainbridge Island |
All ZIP Codes in Bainbridge Island
- 98110 [A] - 8 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Bainbridge Island Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Bainbridge Island's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Bainbridge Island Infrastructure Age
With 46% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Bainbridge Island's residential inventory spans multiple construction eras, with the median build year of 1982 landing in a zone where pre- and post-1986 homes are both well represented. That split matters because homes built before 1986 may contain lead-soldered copper joints - a plumbing practice banned that year - while those built before 1970 face the additional possibility of lead pipes in the service line. Whether a specific household sits on the older or newer end of this distribution is the primary variable shaping its individual exposure risk.
Most homes in Bainbridge Island were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Bainbridge Island
Placing remediation in the context of Bainbridge Island's property market, the equity share is low - most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.
Remediation costs in Bainbridge Island are relatively low compared to home values. The $1,200–$2,500 estimated range is a small fraction of median property value. Home values are 130% above the Washington average.
Bainbridge Island: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Children and pregnant residents are the populations for whom CDC guidance places particular weight on minimizing exposure. With 46% of Bainbridge Island stock from the pre-rule era and citywide samples past the action mark, household kits and certified filter hardware are available through verified retailer networks.
<strong>1 ZIP code</strong> (100% of the city) exceeds the EPA lead action level of 0.015 mg/L.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Bainbridge Island: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Bainbridge Island contains 69 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $37,842. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,800</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Bainbridge Island, WA