Who supplies my water · CA

Where Irwindale's tap water comes from

EPA records tie Irwindale to 3 water systems. Your water bill names the one that serves your address.

Los Angeles County · Population 1,459

Water systems for Irwindale

Valley County Water Dist.
PWSID CA1910009 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 73% of Irwindale's homes are inside Valley County Water Dist.'s service area (EPA service-area map).
Full water report for Valley County Water Dist.
Cal-Am Water Company
PWSID CA1910186 · Purity Score 71/100 (Fair) · Confidence: moderate · Assessed at the water-system level
About 21% of Irwindale's homes are inside Cal-Am Water Company's service area (EPA service-area data).
Full water report for Cal-Am Water Company
Azusa Light and Water
PWSID CA1910007 · Purity Score 59/100 (Fair) · Confidence: moderate · Assessed at the water-system level
About 6% of Irwindale's homes are inside Azusa Light and Water's service area (EPA service-area data).
Full water report for Azusa Light and Water Azusa Light and Water: contact and record

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

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