Bellevue, WA: 8 Violations - Home Safety 99/100
7 ZIP codes · 10 water systems · Updated
ZipCheckup grade for Bellevue: A.
No federal data flags a major home-safety concern for this ZIP.
Drinking water tracked for Bellevue by WA authorities posts above-average scores - the majority of systems are free from health-based exceedances and the city's grade sits above the state median.
How Bellevue Compares
Data: EPA SDWIS
Water Quality Map: Bellevue, WA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Bellevue score across all safety grades.
What You Should Know About Bellevue Water
- Your city's water systems recorded 8 violations in the past 5 years.
- Average lead level: 0.0019 mg/L.
- Homes built before 1986: 62% - older plumbing may contain lead solder.
- Estimated remediation: $1,320 per household.
- CDC health risk index: 8.82.
Who Supplies Your Water in Bellevue
Federal drinking water records identify 10 systems in Bellevue, WA. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations - so service conditions are not uniform city-wide.
- A
- A
- A
Overview
We track home safety data for 7 ZIP codes in Bellevue, Washington (population ~156,110), covering 10 community water systems serving approximately 742,832 people region-wide. The EPA snapshots used for this build directly map water systems to 5 of 7 ZIP codes.
2 of 5 ZIP codes with a reported violation count in the available EPA record (40%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Bellevue: A (99/100)
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
Bellevue water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0019 mg/L (EPA action level: 0.015 mg/L)
- 0 of 4 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 7 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 4 | 2 |
| Consumer Confidence Report Rule | Reporting | 4 | 2 |
| Lead | Inorganic | 2 | 1 |
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 98006 | A | 5 | 0 | City of Bellevue |
| 98004 | A | 3 | 0 | City of Bellevue |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 98005 | A | City of Bellevue | 321,349 |
| 98007 | A | City of Bellevue | 321,349 |
| 98008 | A | City of Bellevue | 321,349 |
All ZIP Codes in Bellevue
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.
Health Outcomes in Bellevue
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
Top Contaminants in Bellevue Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Bellevue
With 62% 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
Viewed through the lens of construction era, Bellevue is predominantly an older city - a median build year of 1973 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Bellevue were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Bellevue Homeowners
When remediation costs are measured against Bellevue home values, the resulting ratio is in the low tier - addressing documented water and safety issues here claims only a minor fraction of typical equity, and most homeowners are in a position where the financial commitment is straightforward rather than a material burden on their household budget.
Remediation costs in Bellevue are relatively low compared to home values. The $880–$1,940 estimated range is a small fraction of median property value. Home values are 164% above the Washington average.
Lead Exposure Risk for Children in Bellevue
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.
Practically, the structural drivers in Bellevue - 62% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark - make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Bellevue
Historical NFIP data for Bellevue contains 77 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $19,438. Among ZIP codes with claim records, 0% 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>$1,320</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 Bellevue, WA