CheckPFAS

GREAT BEND, CITY OF

High Risk
PWSID: KS2000911 Kansas Groundwater

3 PFAS compound(s) exceed EPA Maximum Contaminant Levels

This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.

11
PFAS Detected
3
Above EPA Limits
1
ZIP Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
60.00ppt
600% of limit
10 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
11.00ppt
275% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
5.20ppt
130% of limit
4 ppt⚠ Exceeds MCL
lithium
41500.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
110.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
69.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
25.00pptNo federal limitUnregulated
PFPeS
18.00pptNo federal limitUnregulated
Show 3 more compounds detected at low levels
PFHpAPerfluoroheptanoic acid13.00 pptNo federal limit
PFBSPerfluorobutane sulfonic acid11.00 pptNo federal limit
6:2 FTS6:2 Fluorotelomer sulfonic acid10.00 pptNo federal limit

ZIP Codes Served by This Utility

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About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
KS2000911
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor