💧 ZIP Water Report

Milwaukie, City Of

PWSID OR4100528 · Milwaukie, Oregon · serves 20,946 people · groundwater source

F
Failing

PFAS test results (EPA UCMR 5)

ContaminantResultFederal limit (MCL)Sampled
PFOS 7 ppt 4 ppt 8/29/2024
PFOS 6.3 ppt 4 ppt 2/20/2024
PFOS 4.5 ppt 4 ppt 2/20/2024
PFOS 4.2 ppt 4 ppt 10/29/2024

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

Violation history

DateViolationTypeHealth-basedStatus
2026-06-14 E. COLI MR No Unaddressed
2025-04-01 Revised Total Coliform Rule MON No Resolved
2024-01-01 COLIPHAGE MR No Resolved
2024-01-01 COLIPHAGE MR No Resolved
2024-01-01 Tetrachloroethylene MR No Resolved
2024-01-01 Trichloroethylene MR No Resolved
2024-01-01 cis-1,2-Dichloroethylene MR No Resolved
2024-01-01 TTHM MR No Resolved
2024-01-01 Total Haloacetic Acids (HAA5) MR No Resolved
2023-10-22 E. COLI MR No Resolved
2023-07-01 Consumer Confidence Rule Other No Resolved
2022-10-01 Lead and Copper Rule MR No Resolved
2022-07-01 cis-1,2-Dichloroethylene MR No Resolved
2022-07-01 Trichloroethylene MR No Resolved
2022-07-01 Tetrachloroethylene MR No Resolved

ZIP codes served