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States → Washington

WASHINGTON STATE UNIVERSITY

PWS ID: WA5393200 · Pullman, Washington 99164-1150

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
21,506
Total Violations
27
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
4,355
County
Whitman
School/Daycare
No
MCL Violations
0
Monitoring Violations
23
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Diquat MR 15 2008
Coliform (TCR) MR 7 1992
Gross Alpha, Excl. Radon and U MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 6/18/2024 <0.008 µg/L 0.008 µg/L Not Detected
NFDHA 6/18/2024 <0.02 µg/L 0.02 µg/L Not Detected
lithium 6/18/2024 13.9000 µg/L 9 µg/L Detected
PFBA 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/18/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 6/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/11/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFNA 6/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/11/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/11/2024 11.8000 µg/L 9 µg/L Detected
ADONA 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/11/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 6/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.