PFAS Comply

MODEL IRRIGATION DIST #18

PWSID: WA5355550 · Spokane, WA · Serving 7,903 people

Type: CWSOwner: LSource: GW
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

PFOA4.2 ppt(MCL: 4 ppt)

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

Detection summary

5
PFAS compounds detected
10000 ppt
Highest single detection
2025-06-16
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFDAND—Below MRL2025-06-16
NFDHAND—Below MRL2025-06-10
lithiumND—Below MRL2025-06-10
PFMBAND—Below MRL2025-06-10
PFTAND—Below MRL2025-06-10
PFTrDAND—Below MRL2025-06-10
NEtFOSAAND—Below MRL2025-06-10
NMeFOSAAND—Below MRL2025-06-10
PFEESAND—Below MRL2025-06-10
PFPeSND—Below MRL2025-06-10
PFBSND—Below MRL2025-06-10
PFHpAND—Below MRL2025-06-10
PFHxSND10Below MRL2025-06-10
PFNAND10Below MRL2025-06-10
PFOSND4Below MRL2025-06-10
PFBAND—Below MRL2025-06-10
PFHpSND—Below MRL2025-06-10
PFHxAND—Below MRL2025-06-10
PFOAND4Below MRL2025-06-10
8:2 FTSND—Below MRL2025-06-10
4:2 FTSND—Below MRL2025-06-10
PFPeAND—Below MRL2025-06-10
6:2 FTSND—Below MRL2025-06-10
HFPO-DAND10Below MRL2025-06-10
ADONAND—Below MRL2025-06-10
9Cl-PF3ONSND—Below MRL2025-06-10
11Cl-PF3OUdSND—Below MRL2025-06-10
PFUnAND—Below MRL2025-06-10
PFDoAND—Below MRL2025-06-10
PFDAND—Below MRL2025-06-10
PFNAND10Below MRL2025-06-16
HFPO-DAND10Below MRL2025-06-16
ADONAND—Below MRL2025-06-16
9Cl-PF3ONSND—Below MRL2025-06-16
11Cl-PF3OUdSND—Below MRL2025-06-16
PFUnAND—Below MRL2025-06-16
PFDoAND—Below MRL2025-06-16
PFBAND—Below MRL2025-06-16
PFOSND4Below MRL2025-06-16
PFHxAND—Below MRL2025-06-16
PFHxSND10Below MRL2025-06-16
PFHpAND—Below MRL2025-06-16
PFBSND—Below MRL2025-06-16
NEtFOSAAND—Below MRL2025-06-16
PFHpAND—Below MRL2025-06-16
PFHxSND10Below MRL2025-06-16
PFNAND10Below MRL2025-06-16
PFOSND4Below MRL2025-06-16
PFMPAND—Below MRL2025-06-10
NMeFOSAAND—Below MRL2025-06-16
PFOAND4Below MRL2025-06-16
NFDHAND—Below MRL2025-06-16
PFTrDAND—Below MRL2025-06-16
PFTAND—Below MRL2025-06-16
PFHpSND—Below MRL2025-06-16
PFPeSND—Below MRL2025-06-16
6:2 FTSND—Below MRL2025-06-16
PFDAND—Below MRL2025-06-16
PFEESAND—Below MRL2025-06-16
PFMBAND—Below MRL2025-06-16
PFPeAND—Below MRL2025-06-16
PFMPAND—Below MRL2025-06-16
8:2 FTSND—Below MRL2025-06-16
4:2 FTSND—Below MRL2025-06-16
NMeFOSAAND—Below MRL2025-06-16
PFHxAND—Below MRL2025-06-16
11Cl-PF3OUdSND—Below MRL2025-06-16
9Cl-PF3ONSND—Below MRL2025-06-16
ADONAND—Below MRL2025-06-16
PFUnAND—Below MRL2025-06-16
HFPO-DAND10Below MRL2025-06-16
PFBAND—Below MRL2025-06-16
6:2 FTSND—Below MRL2025-06-16
4:2 FTSND—Below MRL2025-06-16
8:2 FTSND—Below MRL2025-06-16
PFTrDAND—Below MRL2025-06-16
PFOSND4Below MRL2025-06-16
PFHxSND10Below MRL2025-06-16
PFTAND—Below MRL2025-06-16
PFMPAND—Below MRL2025-06-16
PFNAND10Below MRL2025-06-16
PFHpAND—Below MRL2025-06-16
NEtFOSAAND—Below MRL2025-06-16
lithiumND—Below MRL2025-06-16
PFBSND—Below MRL2025-06-16
PFDAND—Below MRL2025-06-16
PFDoAND—Below MRL2025-06-16
PFPeAND—Below MRL2025-06-16
PFMBAND—Below MRL2025-06-16
PFEESAND—Below MRL2025-06-16
NFDHAND—Below MRL2025-06-16
PFPeSND—Below MRL2025-06-16
PFHpSND—Below MRL2025-06-16
PFOAND4Below MRL2025-06-16
11Cl-PF3OUdSND—Below MRL2025-06-10
6:2 FTSND—Below MRL2025-06-10
NMeFOSAAND—Below MRL2025-06-10
NEtFOSAAND—Below MRL2025-06-10
PFTrDAND—Below MRL2025-06-10
PFTAND—Below MRL2025-06-10
PFEESAND—Below MRL2025-06-10
PFMBAND—Below MRL2025-06-10
PFPeAND—Below MRL2025-06-10
PFMPAND—Below MRL2025-06-10
4:2 FTSND—Below MRL2025-06-10
PFBAND—Below MRL2025-06-10
HFPO-DAND10Below MRL2025-06-10
PFHxAND—Below MRL2025-06-10
9Cl-PF3ONSND—Below MRL2025-06-10
lithiumND—Below MRL2025-06-10
PFUnAND—Below MRL2025-06-10
PFDoAND—Below MRL2025-06-10
PFDAND—Below MRL2025-06-10
PFOAND4Below MRL2025-06-10
PFOSND4Below MRL2025-06-10
PFNAND10Below MRL2025-06-10
PFHxSND10Below MRL2025-06-10
PFHpAND—Below MRL2025-06-10
PFBSND—Below MRL2025-06-10
PFHpSND—Below MRL2025-06-10
PFPeSND—Below MRL2025-06-10
NFDHAND—Below MRL2025-06-10
ADONAND—Below MRL2025-06-10
8:2 FTSND—Below MRL2025-06-10
PFNAND10Below MRL2025-06-10
PFOAND4Below MRL2025-06-10
PFOSND4Below MRL2025-06-10
PFHxSND10Below MRL2025-06-10
PFHpAND—Below MRL2025-06-10
NMeFOSAAND—Below MRL2025-06-10
PFTrDAND—Below MRL2025-06-10
NEtFOSAAND—Below MRL2025-06-10
PFDAND—Below MRL2025-06-10
NFDHAND—Below MRL2025-06-10
PFTAND—Below MRL2025-06-10
PFBSND—Below MRL2025-06-10
4:2 FTSND—Below MRL2025-06-10
PFUnAND—Below MRL2025-06-10
lithiumND—Below MRL2025-06-10
PFHpSND—Below MRL2025-06-10
PFPeSND—Below MRL2025-06-10
PFEESAND—Below MRL2025-06-10
PFPeAND—Below MRL2025-06-10
PFMBAND—Below MRL2025-06-10
8:2 FTSND—Below MRL2025-06-10
PFDoAND—Below MRL2025-06-10
6:2 FTSND—Below MRL2025-06-10
PFBAND—Below MRL2025-06-10
HFPO-DAND10Below MRL2025-06-10
ADONAND—Below MRL2025-06-10
11Cl-PF3OUdSND—Below MRL2025-06-10
PFHxAND—Below MRL2025-06-10
PFMPAND—Below MRL2025-06-10
9Cl-PF3ONSND—Below MRL2025-06-10
HFPO-DAND10Below MRL2025-06-16
PFTAND—Below MRL2025-06-16
PFPeSND—Below MRL2025-06-16
PFMPAND—Below MRL2025-06-16
8:2 FTSND—Below MRL2025-06-16
4:2 FTSND—Below MRL2025-06-16
PFBAND—Below MRL2025-06-16
PFHpSND—Below MRL2025-06-16
ADONAND—Below MRL2025-06-16
9Cl-PF3ONSND—Below MRL2025-06-16
11Cl-PF3OUdSND—Below MRL2025-06-16
PFUnAND—Below MRL2025-06-16
NEtFOSAAND—Below MRL2025-06-16
6:2 FTSND—Below MRL2025-06-16
PFTrDAND—Below MRL2025-06-16
PFDoAND—Below MRL2025-06-16
NMeFOSAAND—Below MRL2025-06-16
lithiumND—Below MRL2025-06-16
PFMBAND—Below MRL2025-06-16
PFEESAND—Below MRL2025-06-16
NFDHAND—Below MRL2025-06-16
lithium10000—2025-06-16
PFPeA5.8—2025-06-16
PFOA4.24Exceeds2025-06-16
PFHxA3.9—2025-06-16
PFBS3—2025-06-16

Violation history

Monitoring & Reporting - PFOA(PFOA)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2014-01-01 · Open · Tier 3

Next steps