Hayward, CA Home Safety: Home Safety Score unavailable
7 ZIP codes · 4 water systems · Updated
Data: EPA SDWIS
Hayward Water: The Quick Version
- Average of reported 90th-percentile lead results: 0.0017 mg/L.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 9.67.
Water Systems Serving Hayward
Counting every public water system linked to Hayward, CA in federal data gives 4. The list below keeps the 3 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.
Overview
We track home safety data for 7 ZIP codes in Hayward, California (population ~192,439), covering 4 community water systems serving approximately 1,949,794 people region-wide. The EPA snapshots used for this build directly map water systems to 4 of 7 ZIP codes.
The available EPA record reports 0 violations for 4 ZIP codes with a reported violation count.
Water Sources
Hayward water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0017 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
7 of 7 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 94541 | — | City of Hayward | 162,954 |
| 94542 | — | City of Hayward | 162,954 |
| 94544 | — | City of Hayward | 162,954 |
| 94545 | — | City of Hayward | 162,954 |
All ZIP Codes in Hayward
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.
CDC Health Data for Hayward
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Hayward: Remediation Cost in Perspective
In Hayward, estimated remediation comes to 1% or less of the median home value.
Estimated remediation costs in Hayward can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 14% above the California average.
Protecting Children from Lead in Hayward
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Available area-level lead records for Hayward do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Hayward
Historical NFIP data for Hayward contains 38 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $34,179. Among ZIP codes with claim records, 75% 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 $500 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 Hayward, CA