PFAS Comply

WALLA WALLA WATER DIVISION

PWSID: WA5392500 · Walla Walla, WA · Serving 42,959 people

Type: CWSOwner: LSource: SW
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

0
PFAS compounds detected
N/A ppt
Highest single detection
2024-07-25
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHpSND—Below MRL2024-01-22
6:2 FTSND—Below MRL2024-01-22
lithiumND—Below MRL2024-01-22
PFPeSND—Below MRL2024-01-22
PFEESAND—Below MRL2024-01-22
NEtFOSAAND—Below MRL2024-01-22
PFTAND—Below MRL2024-01-22
PFTrDAND—Below MRL2024-01-22
NMeFOSAAND—Below MRL2024-01-22
PFMBAND—Below MRL2024-01-22
PFPeAND—Below MRL2024-01-22
PFMPAND—Below MRL2024-01-22
NFDHAND—Below MRL2024-01-22
4:2 FTSND—Below MRL2024-01-22
PFNAND10Below MRL2024-01-22
PFDAND—Below MRL2024-01-22
PFHxSND10Below MRL2024-01-22
PFHpAND—Below MRL2024-01-22
PFBSND—Below MRL2024-01-22
8:2 FTSND—Below MRL2024-01-22
PFOAND4Below MRL2024-01-22
PFBAND—Below MRL2024-01-22
PFDoAND—Below MRL2024-01-22
PFHxAND—Below MRL2024-01-22
PFUnAND—Below MRL2024-01-22
11Cl-PF3OUdSND—Below MRL2024-01-22
9Cl-PF3ONSND—Below MRL2024-01-22
ADONAND—Below MRL2024-01-22
HFPO-DAND10Below MRL2024-01-22
PFOSND4Below MRL2024-01-22
PFMBAND—Below MRL2024-04-16
PFHxSND10Below MRL2024-04-16
PFBSND—Below MRL2024-04-16
8:2 FTSND—Below MRL2024-04-16
PFHpAND—Below MRL2024-04-16
NMeFOSAAND—Below MRL2024-04-16
NEtFOSAAND—Below MRL2024-04-16
lithiumND—Below MRL2024-04-16
PFTrDAND—Below MRL2024-04-16
PFTAND—Below MRL2024-04-16
PFHpSND—Below MRL2024-04-16
PFPeSND—Below MRL2024-04-16
NFDHAND—Below MRL2024-04-16
PFMPAND—Below MRL2024-04-16
PFPeAND—Below MRL2024-04-16
PFNAND10Below MRL2024-04-16
PFHxAND—Below MRL2024-04-16
PFOSND4Below MRL2024-04-16
PFOAND4Below MRL2024-04-16
PFEESAND—Below MRL2024-04-16
PFDoAND—Below MRL2024-04-16
4:2 FTSND—Below MRL2024-04-16
PFUnAND—Below MRL2024-04-16
11Cl-PF3OUdSND—Below MRL2024-04-16
9Cl-PF3ONSND—Below MRL2024-04-16
ADONAND—Below MRL2024-04-16
HFPO-DAND10Below MRL2024-04-16
PFBAND—Below MRL2024-04-16
6:2 FTSND—Below MRL2024-04-16
PFDAND—Below MRL2024-04-16
PFBSND—Below MRL2024-07-25
PFHpAND—Below MRL2024-07-25
PFHxSND10Below MRL2024-07-25
PFTAND—Below MRL2024-07-25
8:2 FTSND—Below MRL2024-07-25
PFTrDAND—Below MRL2024-07-25
PFNAND10Below MRL2024-07-25
NMeFOSAAND—Below MRL2024-07-25
PFHpSND—Below MRL2024-07-25
PFPeSND—Below MRL2024-07-25
NFDHAND—Below MRL2024-07-25
PFEESAND—Below MRL2024-07-25
PFMBAND—Below MRL2024-07-25
NEtFOSAAND—Below MRL2024-07-25
PFMPAND—Below MRL2024-07-25
PFOSND4Below MRL2024-07-25
4:2 FTSND—Below MRL2024-07-25
PFDoAND—Below MRL2024-07-25
PFBAND—Below MRL2024-07-25
HFPO-DAND10Below MRL2024-07-25
ADONAND—Below MRL2024-07-25
9Cl-PF3ONSND—Below MRL2024-07-25
11Cl-PF3OUdSND—Below MRL2024-07-25
PFUnAND—Below MRL2024-07-25
PFHxAND—Below MRL2024-07-25
6:2 FTSND—Below MRL2024-07-25
PFPeAND—Below MRL2024-07-25
PFDAND—Below MRL2024-07-25
PFOAND4Below MRL2024-07-25
lithiumND—Below MRL2024-07-25
NMeFOSAAND—Below MRL2024-10-16
PFEESAND—Below MRL2024-10-16
NEtFOSAAND—Below MRL2024-10-16
PFTAND—Below MRL2024-10-16
PFTrDAND—Below MRL2024-10-16
11Cl-PF3OUdSND—Below MRL2024-10-16
PFPeSND—Below MRL2024-10-16
PFBSND—Below MRL2024-10-16
PFHpAND—Below MRL2024-10-16
PFHxSND10Below MRL2024-10-16
PFNAND10Below MRL2024-10-16
PFOSND4Below MRL2024-10-16
PFOAND4Below MRL2024-10-16
PFDAND—Below MRL2024-10-16
PFDoAND—Below MRL2024-10-16
lithiumND—Below MRL2024-10-16
PFUnAND—Below MRL2024-10-16
8:2 FTSND—Below MRL2024-10-16
PFHpSND—Below MRL2024-10-16
NFDHAND—Below MRL2024-10-16
PFMBAND—Below MRL2024-10-16
PFHxAND—Below MRL2024-10-16
PFMPAND—Below MRL2024-10-16
9Cl-PF3ONSND—Below MRL2024-10-16
4:2 FTSND—Below MRL2024-10-16
6:2 FTSND—Below MRL2024-10-16
PFBAND—Below MRL2024-10-16
HFPO-DAND10Below MRL2024-10-16
ADONAND—Below MRL2024-10-16
PFPeAND—Below MRL2024-10-16

Violation history

Monitoring & Reporting - PFNA(PFNA)
2023-10-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2023-10-01 · Open · Tier 3
Monitoring & Reporting - PFOA(PFOA)
2023-07-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2023-07-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2023-07-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2023-07-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2023-07-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2023-07-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2023-01-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2023-01-01 · Open · Tier 3
Monitoring & Reporting - PFOA(PFOA)
2023-01-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2023-01-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2023-01-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2023-01-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2022-10-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2022-10-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2022-10-01 · Open · Tier 3
Monitoring & Reporting - PFOA(PFOA)
2022-10-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2022-10-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2022-10-01 · Open · Tier 3

Next steps