Who supplies my water · CA

Where Union City's tap water comes from

EPA records point to Alameda County Water District as the water system for Union City.

Alameda County · Population 66,196

The water system for Union City

Alameda County Water District
PWSID CA0110001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 100% of Union City's homes are inside Alameda County Water District's service area (EPA service-area map).
Full water report for Alameda County Water District Alameda County Water District: contact and record

System-level records from EPA. Not a test of your tap.

ZIP codes in Union City

A ZIP code is a postal area, not a water service area. Your water bill names your supplier.

94587

Follow this water

Follow Union City's water

One email when Alameda County Water District publishes a new sampling round, a result moves above or below its reference, or the system's score changes.

Double opt-in: we email a confirmation link. Unsubscribe anytime. No spam.