PlainWater

PORT ANGELES COMPOSITE

PWS ID: WA5343296 · Carlsborg, Washington 98324

PFAS Detected

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

Population Served
9,879
Total Violations
39
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,974
County
Clallam
School/Daycare
No
MCL Violations
0
Monitoring Violations
36
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 5 1992
Consumer Confidence Rule Other 2 2018
1,2,4-Trichlorobenzene MR 1 2015
cis-1,2-Dichloroethylene MR 1 2015
DICHLOROMETHANE MR 1 2015
o-Dichlorobenzene MR 1 2015
p-Dichlorobenzene MR 1 2015
1,1-Dichloroethylene MR 1 2015
1,2-Dichloroethane MR 1 2015
1,1,1-Trichloroethane MR 1 2015
Carbon tetrachloride MR 1 2015
1,2-Dichloropropane MR 1 2015
Trichloroethylene MR 1 2015
1,1,2-Trichloroethane MR 1 2015
Tetrachloroethylene MR 1 2015
CHLOROBENZENE MR 1 2015
Benzene MR 1 2015
Toluene MR 1 2015
TTHM MR 1 2024
Total Haloacetic Acids (HAA5) MR 1 2024
Barium MR 1 1979
Chromium MR 1 1979
Selenium MR 1 1979
Vinyl chloride MR 1 2015
Ethylbenzene MR 1 2015
Styrene MR 1 2015
trans-1,2-Dichloroethylene MR 1 2015
Cadmium MR 1 1979
Mercury MR 1 1979
Arsenic MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 420 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/21/2024 <9 µg/L 9 µg/L Not Detected
PFTrDA 8/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 8/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/21/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFMBA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/21/2024 <9 µg/L 9 µg/L Not Detected
ADONA 8/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 8/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 8/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 8/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/21/2024 <0.002 µg/L 0.002 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.