City guide · ZIP / utility based
Oxnard tap water quality
Oxnard Ventura County ZIPs map to city or regional utilities. Enter your ZIP for an educational drinking-water report.
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 7 ZIP codes in our index are labeled Oxnard (Ventura County). Pick an example below or enter your own ZIP.
Example ZIPs in Oxnard
Utilities often matched near Oxnard
Names come from public CA water-system records for ZIPs labeled Oxnard. Your block may differ — always open the ZIP report.
- Oxnard Water Dept
- Cypress Mutual Water Co Inc
- Nyeland Acres Mutual Water Co
- Vineyard Avenue Acres Mwc
- Crestview Mutual Water Co
- Dempsey Road Mutual Water Co
Want the full drinking water report?
Open a ZIP report for curated detections vs EPA limits and CA health guidelines. Open report for 93030 →
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