PFAS Comply

STILLWATER UTILITIES AUTHORITY

PWSID: OK1021220 · STILLWATER, OK · Serving 53,000 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

Key contaminants vs MCL

PFOS8.6 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Detection summary

6
PFAS compounds detected
21600 ppt
Highest single detection
2024-09-03
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
NMeFOSAAND—Below MRL2024-09-03
PFHpAND—Below MRL2023-12-04
PFDoAND—Below MRL2024-09-03
PFUnAND—Below MRL2024-09-03
9Cl-PF3ONSND—Below MRL2024-09-03
ADONAND—Below MRL2024-09-03
NEtFOSAAND—Below MRL2024-09-03
PFBAND—Below MRL2024-09-03
PFTrDAND—Below MRL2024-09-03
4:2 FTSND—Below MRL2024-09-03
8:2 FTSND—Below MRL2024-09-03
PFMPAND—Below MRL2024-09-03
PFPeAND—Below MRL2024-09-03
PFMBAND—Below MRL2024-09-03
PFEESAND—Below MRL2024-09-03
PFHpSND—Below MRL2024-09-03
PFPeSND—Below MRL2024-09-03
HFPO-DAND10Below MRL2024-09-03
PFTAND—Below MRL2024-09-03
HFPO-DAND10Below MRL2023-12-04
PFNAND10Below MRL2023-12-04
PFOAND4Below MRL2023-12-04
PFDAND—Below MRL2023-12-04
PFDoAND—Below MRL2023-12-04
PFUnAND—Below MRL2023-12-04
11Cl-PF3OUdSND—Below MRL2023-12-04
ADONAND—Below MRL2023-12-04
PFBAND—Below MRL2023-12-04
6:2 FTSND—Below MRL2023-12-04
4:2 FTSND—Below MRL2023-12-04
8:2 FTSND—Below MRL2023-12-04
PFMPAND—Below MRL2023-12-04
PFMBAND—Below MRL2023-12-04
PFEESAND—Below MRL2023-12-04
NFDHAND—Below MRL2023-12-04
PFPeSND—Below MRL2023-12-04
PFHpSND—Below MRL2023-12-04
9Cl-PF3ONSND—Below MRL2023-12-04
NEtFOSAAND—Below MRL2023-12-04
NMeFOSAAND—Below MRL2023-12-04
PFTrDAND—Below MRL2023-12-04
PFTAND—Below MRL2023-12-04
PFTAND—Below MRL2024-03-18
PFTrDAND—Below MRL2024-03-18
PFUnAND—Below MRL2024-03-18
NEtFOSAAND—Below MRL2024-03-18
PFHpSND—Below MRL2024-03-18
PFNAND10Below MRL2024-03-18
PFOAND4Below MRL2024-03-18
PFDAND—Below MRL2024-03-18
PFHpAND—Below MRL2024-03-18
HFPO-DAND10Below MRL2024-03-18
NFDHAND—Below MRL2024-03-18
NMeFOSAAND—Below MRL2024-03-18
6:2 FTSND—Below MRL2024-03-18
PFBAND—Below MRL2024-03-18
ADONAND—Below MRL2024-03-18
PFDoAND—Below MRL2024-03-18
PFMBAND—Below MRL2024-03-18
PFMPAND—Below MRL2024-03-18
8:2 FTSND—Below MRL2024-03-18
4:2 FTSND—Below MRL2024-03-18
9Cl-PF3ONSND—Below MRL2024-03-18
11Cl-PF3OUdSND—Below MRL2024-03-18
PFPeSND—Below MRL2024-03-18
PFEESAND—Below MRL2024-03-18
PFBSND—Below MRL2024-03-18
PFPeSND—Below MRL2024-06-03
NFDHAND—Below MRL2024-06-03
PFEESAND—Below MRL2024-06-03
PFMBAND—Below MRL2024-06-03
PFPeAND—Below MRL2024-06-03
PFMPAND—Below MRL2024-06-03
8:2 FTSND—Below MRL2024-06-03
4:2 FTSND—Below MRL2024-06-03
6:2 FTSND—Below MRL2024-06-03
PFBAND—Below MRL2024-06-03
PFHpSND—Below MRL2024-06-03
11Cl-PF3OUdSND—Below MRL2024-06-03
HFPO-DAND10Below MRL2024-06-03
PFUnAND—Below MRL2024-06-03
PFHxAND—Below MRL2024-06-03
PFDoAND—Below MRL2024-06-03
PFDAND—Below MRL2024-06-03
PFOAND4Below MRL2024-06-03
PFNAND10Below MRL2024-06-03
PFHpAND—Below MRL2024-06-03
PFBSND—Below MRL2024-06-03
ADONAND—Below MRL2024-06-03
PFTAND—Below MRL2024-06-03
PFTrDAND—Below MRL2024-06-03
NMeFOSAAND—Below MRL2024-06-03
9Cl-PF3ONSND—Below MRL2024-06-03
NEtFOSAAND—Below MRL2024-06-03
PFHpAND—Below MRL2024-09-03
PFNAND10Below MRL2024-09-03
6:2 FTSND—Below MRL2024-09-03
11Cl-PF3OUdSND—Below MRL2024-09-03
PFBSND—Below MRL2024-09-03
NFDHAND—Below MRL2024-09-03
PFOAND4Below MRL2024-09-03
PFDAND—Below MRL2024-09-03
lithium21600—2023-12-04
lithium19000—2024-03-18
lithium13000—2024-09-03
lithium11300—2024-06-03
PFOS8.64Exceeds2023-12-04
PFHxS6.410Detected2023-12-04
PFOS6.34Exceeds2024-09-03
PFHxA4.9—2023-12-04
PFOS4.94Exceeds2024-03-18
PFOS4.74Exceeds2024-06-03
PFPeA4.4—2023-12-04
PFHxS4.410Detected2024-03-18
PFHxS4.110Detected2024-09-03
PFHxS3.410Detected2024-06-03
PFHxA3.2—2024-09-03
PFPeA3.2—2024-03-18
PFHxA3.2—2024-03-18
PFBS3—2023-12-04

Next steps