City guide · ZIP / utility based

Temecula tap water quality

Temecula ZIPs map to Southwest Riverside County systems. Contaminant detail is on the ZIP report 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 5 ZIP codes in our index are labeled Temecula (Riverside County). Pick an example below or enter your own ZIP.

Example ZIPs in Temecula

92590 Temecula 92589 Temecula (multi) 92591 Temecula (multi) 92592 Temecula (multi) 92593 Temecula (multi)

Utilities often matched near Temecula

Names come from public CA water-system records for ZIPs labeled Temecula. Your block may differ — always open the ZIP report.

Eastern Municipal WD
Rancho California Water District
Western MWD (ID A - Rainbow)
Oak Haven Association
Indian Oaks Trailer Park

Want the full drinking water report?

Open a ZIP report for curated detections vs EPA limits and CA health guidelines. Open report for 92590 →

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