City guide · ZIP / utility based
Torrance tap water quality
Torrance South Bay ZIPs may map to the city system or neighbors. Contaminant numbers live on the ZIP report — not on this page.
Honest framing: This is not a citywide water score. We match your ZIP to a public water system using CA service-area data where available. Contaminant lists are curated detections — non-detects are omitted. Educational only — not medical advice, not a faucet lab test, and not affiliated with EWG or any utility.
About 10 ZIP codes in our index are labeled Torrance (Los Angeles County). Pick an example below or enter your own ZIP.
Example ZIPs in Torrance
90506 Torrance
90503 Torrance
90501 Torrance
90507 Torrance
90508 Torrance
90509 Torrance
90510 Torrance
90504 Torrance
90505 Torrance
90502 Torrance (multi)
Utilities often matched near Torrance
Names come from public CA water-system records for ZIPs labeled Torrance. Your block may differ — always open the ZIP report.
- Los Angeles-City, Dept. of Water & Power
- Torrance-City, Water Dept.
- California Water Service Co. - Dominguez
- California Water Service Co. - Herm/Redo
Want the full drinking water report?
Open a ZIP report for curated detections vs EPA limits and CA health guidelines. Open report for 90506 →
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