Suisun City, CA: 12 Health Violations - Home Safety 85/100
1 ZIP code · 3 water systems · Updated
ZipCheckup grade for Suisun City: A.
No federal data flags a major home-safety concern for this ZIP.
Public water monitoring in Suisun City shows a safety record well above the CA median - health-based violations are isolated exceptions rather than recurring patterns, the city's systems have stayed compliant across recent reporting cycles, and no cluster of recurring exceedances appears in any single service area.
How Suisun City Compares
Data: EPA SDWIS
Key Facts for Suisun City Residents
- Your city's water systems recorded 14 violations in the past 5 years.
- Homes built before 1986: 55% - older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 11.66.
Suisun City's Water Providers
3 water systems are tracked federally in Suisun City, CA. The top 3 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.
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Overview
We track home safety data for 1 ZIP code in Suisun City, California (population ~29,290), covering 3 community water systems serving approximately 159,971 people region-wide. 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. 12 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Suisun City: A (85/100)
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
Suisun City water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
- 0 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 |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 20 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 8 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 94585 | A | 14 | 12 | Suisun-solano Water Authority |
All ZIP Codes in Suisun City
- 94585 [A] - 14 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.
Suisun City 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 Suisun City's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Suisun City Infrastructure Age
With 55% 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, Suisun City is predominantly an older city - a median build year of 1985 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Suisun City 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.
How Remediation Costs Compare in Suisun City
In Suisun City, documented water and safety issues can be addressed without making a meaningful dent in home equity - the financial proportionality here is favorable, and the commitment fits within standard property planning frameworks.
Remediation costs in Suisun City are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 25% below the California average.
Suisun City: 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.
55% of Suisun City housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark - household-level confirmation through a draw-test kit fits the local picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Suisun City: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Suisun City contains 66 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $10,640. 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>$1,200</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 Suisun City, CA