PlainWater

NORTHWEST TREK

PWS ID: WA5361990 · Eatonville, Washington 98328

Population Served
1,283
Total Violations
19
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
62
County
Pierce
School/Daycare
No
MCL Violations
1
Monitoring Violations
15
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2013
TTHM MR 1 2014
Total Haloacetic Acids (HAA5) MR 1 2014
Cadmium MR 1 1979
Coliform (TCR) MCL 1 1992
Chromium MR 1 1979
Fluoride MR 1 1979
Selenium MR 1 1979
Mercury MR 1 1979
Barium MR 1 1979
Arsenic MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Nitrate MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 30 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 5/20/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/20/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/20/2025 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 5/20/2025 <0.006 µg/L 0.006 µg/L Not Detected
ADONA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/20/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/20/2025 <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.