PFAS Comply

JOHNSTON MUNICIPAL WATER SUPPLY

PWSID: IA7740011 · JOHNSTON, IA · Serving 24,064 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
Check claims portal →
Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

Key contaminants vs MCL

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

Detection summary

1
PFAS compounds detected
33000 ppt
Highest single detection
2025-09-15
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFDoAND—Below MRL2025-09-15
4:2 FTSND—Below MRL2025-01-06
8:2 FTSND—Below MRL2025-01-06
PFMPAND—Below MRL2025-01-06
PFPeAND—Below MRL2025-01-06
PFMBAND—Below MRL2025-01-06
PFEESAND—Below MRL2025-01-06
PFPeSND—Below MRL2025-01-06
PFTrDAND—Below MRL2025-01-06
NEtFOSAAND—Below MRL2025-01-06
PFBAND—Below MRL2025-01-06
PFHpSND—Below MRL2025-01-06
PFOSND4Below MRL2025-01-06
NMeFOSAAND—Below MRL2025-01-06
HFPO-DAND10Below MRL2025-01-06
ADONAND—Below MRL2025-01-06
9Cl-PF3ONSND—Below MRL2025-01-06
11Cl-PF3OUdSND—Below MRL2025-01-06
PFUnAND—Below MRL2025-01-06
PFHxAND—Below MRL2025-01-06
PFDoAND—Below MRL2025-01-06
PFOAND4Below MRL2025-01-06
PFNAND10Below MRL2025-01-06
PFHxSND10Below MRL2025-01-06
PFHpAND—Below MRL2025-01-06
PFBSND—Below MRL2025-01-06
ADONAND—Below MRL2025-10-07
PFTrDAND—Below MRL2025-10-07
PFBAND—Below MRL2025-10-07
6:2 FTSND—Below MRL2025-10-07
4:2 FTSND—Below MRL2025-10-07
PFOSND4Below MRL2025-10-07
PFTAND—Below MRL2025-10-07
9Cl-PF3ONSND—Below MRL2025-10-07
PFTAND—Below MRL2025-01-06
PFDAND—Below MRL2025-01-06
NFDHAND—Below MRL2025-01-06
PFDAND—Below MRL2025-08-12
HFPO-DAND10Below MRL2025-08-12
ADONAND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-08-12
11Cl-PF3OUdSND—Below MRL2025-08-12
PFUnAND—Below MRL2025-08-12
NMeFOSAAND—Below MRL2025-05-13
PFDoAND—Below MRL2025-08-12
4:2 FTSND—Below MRL2025-08-12
PFOAND4Below MRL2025-08-12
PFOSND4Below MRL2025-08-12
PFNAND10Below MRL2025-08-12
PFHxSND10Below MRL2025-08-12
PFHpAND—Below MRL2025-08-12
PFHxAND—Below MRL2025-08-12
6:2 FTSND—Below MRL2025-08-12
PFBSND—Below MRL2025-08-12
8:2 FTSND—Below MRL2025-08-12
PFMPAND—Below MRL2025-08-12
PFPeAND—Below MRL2025-08-12
PFMBAND—Below MRL2025-08-12
PFEESAND—Below MRL2025-08-12
NFDHAND—Below MRL2025-08-12
PFPeSND—Below MRL2025-08-12
PFHpSND—Below MRL2025-08-12
PFTAND—Below MRL2025-05-13
PFTrDAND—Below MRL2025-05-13
NEtFOSAAND—Below MRL2025-05-13
PFBAND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-07-07
PFTAND—Below MRL2025-07-30
PFTrDAND—Below MRL2025-07-30
NEtFOSAAND—Below MRL2025-07-30
NMeFOSAAND—Below MRL2025-07-30
PFHxSND10Below MRL2025-07-07
PFBSND—Below MRL2025-07-07
PFOSND4Below MRL2025-07-07
PFOAND4Below MRL2025-07-07
PFDAND—Below MRL2025-07-07
PFDoAND—Below MRL2025-07-07
PFHxAND—Below MRL2025-07-07
PFHpSND—Below MRL2025-07-07
11Cl-PF3OUdSND—Below MRL2025-07-07
PFPeSND—Below MRL2025-07-07
ADONAND—Below MRL2025-07-07
HFPO-DAND10Below MRL2025-07-07
PFBAND—Below MRL2025-07-07
6:2 FTSND—Below MRL2025-07-07
4:2 FTSND—Below MRL2025-07-07
8:2 FTSND—Below MRL2025-07-07
PFMPAND—Below MRL2025-07-07
PFPeAND—Below MRL2025-07-07
PFMBAND—Below MRL2025-07-07
PFEESAND—Below MRL2025-07-07
NFDHAND—Below MRL2025-07-07
PFNAND10Below MRL2025-07-07
PFUnAND—Below MRL2025-07-07
PFHpAND—Below MRL2025-07-07
PFEESAND—Below MRL2025-10-07
PFPeAND—Below MRL2025-10-07
PFHpSND—Below MRL2025-10-07
PFTAND—Below MRL2025-10-07
PFTrDAND—Below MRL2025-10-07
NEtFOSAAND—Below MRL2025-10-07
NMeFOSAAND—Below MRL2025-10-07
NFDHAND—Below MRL2025-10-07
PFMBAND—Below MRL2025-10-07
PFBSND—Below MRL2025-10-07
PFHpAND—Below MRL2025-10-07
PFHxSND10Below MRL2025-10-07
PFNAND10Below MRL2025-10-07
6:2 FTSND—Below MRL2025-10-07
PFMPAND—Below MRL2025-10-07
8:2 FTSND—Below MRL2025-10-07
PFPeSND—Below MRL2025-10-07
4:2 FTSND—Below MRL2025-10-07
PFOSND4Below MRL2025-10-07
PFBAND—Below MRL2025-10-07
HFPO-DAND10Below MRL2025-10-07
ADONAND—Below MRL2025-10-07
9Cl-PF3ONSND—Below MRL2025-10-07
PFDAND—Below MRL2025-10-07
11Cl-PF3OUdSND—Below MRL2025-10-07
PFUnAND—Below MRL2025-10-07
PFHxAND—Below MRL2025-10-07
PFDoAND—Below MRL2025-10-07
PFOAND4Below MRL2025-10-07
4:2 FTSND—Below MRL2025-01-06
8:2 FTSND—Below MRL2025-01-06
PFDoAND—Below MRL2025-01-06
PFDAND—Below MRL2025-01-06
PFOAND4Below MRL2025-01-06
PFNAND10Below MRL2025-01-06
PFHxSND10Below MRL2025-01-06
PFPeSND—Below MRL2025-01-06
PFBSND—Below MRL2025-01-06
PFOSND4Below MRL2025-01-06
PFUnAND—Below MRL2025-01-06
PFPeAND—Below MRL2025-01-06
PFEESAND—Below MRL2025-01-06
PFHpAND—Below MRL2025-01-06
PFTAND—Below MRL2025-02-10
PFMPAND—Below MRL2025-01-06
PFMBAND—Below MRL2025-01-06
PFBAND—Below MRL2025-01-06
6:2 FTSND—Below MRL2025-01-06
ADONAND—Below MRL2025-01-06
NFDHAND—Below MRL2025-01-06
PFTrDAND—Below MRL2025-02-10
NEtFOSAAND—Below MRL2025-02-10
NMeFOSAAND—Below MRL2025-02-10
9Cl-PF3ONSND—Below MRL2025-01-06
11Cl-PF3OUdSND—Below MRL2025-01-06
PFHpSND—Below MRL2025-01-06
PFHxAND—Below MRL2025-01-06
HFPO-DAND10Below MRL2025-01-06
PFTrDAND—Below MRL2025-05-13
PFEESAND—Below MRL2025-09-15
PFTAND—Below MRL2025-05-13
9Cl-PF3ONSND—Below MRL2025-09-15
HFPO-DAND10Below MRL2025-09-15
PFBAND—Below MRL2025-09-15
6:2 FTSND—Below MRL2025-09-15
4:2 FTSND—Below MRL2025-09-15
8:2 FTSND—Below MRL2025-09-15
PFMPAND—Below MRL2025-09-15
PFPeAND—Below MRL2025-09-15
PFMBAND—Below MRL2025-09-15
PFOAND4Below MRL2025-09-15
NFDHAND—Below MRL2025-09-15
PFPeSND—Below MRL2025-09-15
ADONAND—Below MRL2025-09-15
NEtFOSAAND—Below MRL2025-05-13
11Cl-PF3OUdSND—Below MRL2025-09-15
PFUnAND—Below MRL2025-09-15
PFHxAND—Below MRL2025-09-15
PFDAND—Below MRL2025-09-15
PFOSND4Below MRL2025-09-15
PFNAND10Below MRL2025-09-15
PFHxSND10Below MRL2025-09-15
PFHpAND—Below MRL2025-09-15
PFBSND—Below MRL2025-09-15
NMeFOSAAND—Below MRL2025-05-13
PFHpSND—Below MRL2025-09-15
6:2 FTSND—Below MRL2025-01-06
PFOAND4Below MRL2025-07-07
PFHpSND—Below MRL2025-07-07
8:2 FTSND—Below MRL2025-07-07
4:2 FTSND—Below MRL2025-07-07
6:2 FTSND—Below MRL2025-07-07
PFBAND—Below MRL2025-07-07
HFPO-DAND10Below MRL2025-07-07
ADONAND—Below MRL2025-07-07
9Cl-PF3ONSND—Below MRL2025-07-07
11Cl-PF3OUdSND—Below MRL2025-07-07
PFUnAND—Below MRL2025-07-07
PFHxAND—Below MRL2025-07-07
PFPeSND—Below MRL2025-07-07
PFDAND—Below MRL2025-07-07
NEtFOSAAND—Below MRL2025-07-30
PFOSND4Below MRL2025-07-07
PFNAND10Below MRL2025-07-07
PFHxSND10Below MRL2025-07-07
PFHpAND—Below MRL2025-07-07
PFBSND—Below MRL2025-07-07
NMeFOSAAND—Below MRL2025-07-30
PFTrDAND—Below MRL2025-07-30
PFTAND—Below MRL2025-07-30
PFPeAND—Below MRL2025-07-07
PFDoAND—Below MRL2025-07-07
PFEESAND—Below MRL2025-07-07
PFMPAND—Below MRL2025-07-07
PFMBAND—Below MRL2025-07-07
NFDHAND—Below MRL2025-07-07
PFHxSND10Below MRL2025-10-07
NEtFOSAAND—Below MRL2025-10-07
NMeFOSAAND—Below MRL2025-10-07
PFHpAND—Below MRL2025-10-07
NFDHAND—Below MRL2025-10-07
PFEESAND—Below MRL2025-10-07
PFMBAND—Below MRL2025-10-07
8:2 FTSND—Below MRL2025-10-07
PFBSND—Below MRL2025-10-07
PFNAND10Below MRL2025-10-07
PFOAND4Below MRL2025-10-07
PFMPAND—Below MRL2025-10-07
HFPO-DAND10Below MRL2025-10-07
PFPeSND—Below MRL2025-10-07
PFDAND—Below MRL2025-10-07
PFPeAND—Below MRL2025-10-07
PFDoAND—Below MRL2025-10-07
PFUnAND—Below MRL2025-10-07
PFHxAND—Below MRL2025-10-07
11Cl-PF3OUdSND—Below MRL2025-10-07
PFHpSND—Below MRL2025-10-07
lithium33000—2025-01-06
lithium27000—2025-04-14
lithium27000—2025-07-07
lithium20000—2025-01-06
lithium19000—2025-07-07
lithium19000—2025-10-07
lithium17000—2025-10-07
lithium14000—2025-04-14

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