Who supplies my water · CA

Where Rancho Santa Margarita's tap water comes from

EPA records tie Rancho Santa Margarita to 2 water systems. Your water bill names the one that serves your address.

Orange County · Population 46,353

Water systems for Rancho Santa Margarita

Santa Margarita Water District
PWSID CA3010101 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 81% of Rancho Santa Margarita's homes are inside Santa Margarita Water District's service area (EPA service-area map).
Full water report for Santa Margarita Water District Santa Margarita Water District: contact and record
Trabuco Canyon Water District
PWSID CA3010094 · Purity Score 96/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 19% of Rancho Santa Margarita's homes are inside Trabuco Canyon Water District's service area (EPA service-area data).
Full water report for Trabuco Canyon Water District

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.