PlainWater

CONSOLIDATED SUPPORT SERVICES

PWS ID: WA5321850 · Medical lake, Washington 99022-0500

PFAS Detected

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

Population Served
569
Total Violations
64
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
69
County
Spokane
School/Daycare
No
MCL Violations
12
Monitoring Violations
52
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 1992
Lead and Copper Rule MR 11 2009
Nitrate MR 8 2008
Coliform (TCR) MR 3 1992
1,2,4-Trichlorobenzene MR 1 2019
cis-1,2-Dichloroethylene MR 1 2019
DICHLOROMETHANE MR 1 2019
o-Dichlorobenzene MR 1 2019
p-Dichlorobenzene MR 1 2019
Vinyl chloride MR 1 2019
trans-1,2-Dichloroethylene MR 1 2019
1,2-Dichloroethane MR 1 2019
1,2-Dichloropropane MR 1 2019
Trichloroethylene MR 1 2019
Tetrachloroethylene MR 1 2019
Benzene MR 1 2019
Toluene MR 1 2019
Ethylbenzene MR 1 2019
Total Haloacetic Acids (HAA5) MR 1 2018
Chromium MR 1 1979
Arsenic MR 1 1979
Barium MR 1 1979
Fluoride MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Mercury MR 1 1979
Cadmium MR 1 1979
1,1,2-Trichloroethane MR 1 2019
Styrene MR 1 2019
Carbon tetrachloride MR 1 2019
1,1-Dichloroethylene MR 1 2019

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 30 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/1/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/1/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/1/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/1/2025 11.0000 µg/L 9 µg/L Detected
PFHpA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 7/1/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFOA 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/1/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/1/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/1/2025 <0.003 µg/L 0.003 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.