Who supplies my water · CA
Where Westmont's tap water comes from
EPA records point to GSWC as the water system for Westmont.
Los Angeles County · Population 33,913
The water system for Westmont
GSWC
PWSID CA1910155 · Purity Score 98/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 100% of Westmont's homes are inside GSWC's service area (EPA service-area map).
System-level records from EPA. Not a test of your tap.
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