💧 ZIP Water Report

South Mesa Wc

PWSID CA3310017 · Calimesa, California · serves 10,348 people · groundwater source

A
Excellent

PFAS test results (EPA UCMR 5)

ContaminantResultFederal limit (MCL)Sampled
PFPeA 8.9 ppt — 9/13/2023
PFHxA 6.8 ppt — 9/13/2023
PFPeA 5.4 ppt — 1/9/2023
PFBS 4.7 ppt — 9/13/2023
PFHxA 4.4 ppt — 1/9/2023
PFHxS 3.5 ppt 10 ppt 9/13/2023

ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.

Violation history

No violations on record in the period covered. 🎉

ZIP codes served