PlainWater
States → Oregon

CHEMICAL WASTE MGT OF NW INC

PWS ID: OR4194718 · ARLINGTON, Oregon 97812

PFAS Detected

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

Population Served
40
Total Violations
26
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
6
County
Gilliam
School/Daycare
No
MCL Violations
0
Monitoring Violations
26
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2015
E. COLI MR 4 2025
Revised Total Coliform Rule MON 3 2024
Nitrate MR 1 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/19/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/19/2025 13.0000 µg/L 9 µg/L Detected
PFBS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 4/2/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 4/2/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHxS 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 4/2/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/2/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 4/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 4/2/2025 14.0000 µg/L 9 µg/L Detected
11Cl-PF3OUdS 4/2/2025 <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.