💧 ZIP Water Report

Ponca City Mun Water

PWSID OK1021202 · Ponca City, Oklahoma · serves 27,155 people · surface water source

D
Poor

PFAS test results (EPA UCMR 5)

ContaminantResultFederal limit (MCL)Sampled
PFOS 8.1 ppt 4 ppt 2/7/2024
PFOS 7.1 ppt 4 ppt 11/5/2024
PFHxS 6.7 ppt 10 ppt 2/7/2024
PFOS 6.6 ppt 4 ppt 8/7/2024
PFHxS 5.8 ppt 10 ppt 8/7/2024
PFHxS 5.5 ppt 10 ppt 5/8/2024
PFBS 5.3 ppt — 2/7/2024
PFOS 5.3 ppt 4 ppt 5/8/2024
PFBS 5 ppt — 5/8/2024
PFHxS 4.7 ppt 10 ppt 11/5/2024
PFBS 4.5 ppt — 8/7/2024
PFBS 3.8 ppt — 11/5/2024
9Cl-PF3ONS 3.4 ppt — 2/7/2024

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

Violation history

DateViolationTypeHealth-basedStatus
2023-10-01 TTHM MR No Resolved
2023-10-01 Total Haloacetic Acids (HAA5) MR No Resolved

ZIP codes served