PlainWater
States → 09

WMATUA Miner Flat

PWS ID: 090400693 · Whiteriver, 09 85941

PFAS Detected

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

Population Served
15,570
Total Violations
341
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
2,570
School/Daycare
No
MCL Violations
2
Monitoring Violations
201
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 2015
Arsenic MR 12 2025
Total Haloacetic Acids (HAA5) MR 8 2015
TTHM MR 8 2015
CARBON, TOTAL MR 7 2023
Nitrate MR 6 2007
1,2,4-Trichlorobenzene MR 4 2023
cis-1,2-Dichloroethylene MR 4 2023
Xylenes, Total MR 4 2023
o-Dichlorobenzene MR 4 2023
p-Dichlorobenzene MR 4 2023
Vinyl chloride MR 4 2023
1,1-Dichloroethylene MR 4 2023
trans-1,2-Dichloroethylene MR 4 2023
1,2-Dichloroethane MR 4 2023
1,1,1-Trichloroethane MR 4 2023
Carbon tetrachloride MR 4 2023
1,2-Dichloropropane MR 4 2023
Trichloroethylene MR 4 2023
1,1,2-Trichloroethane MR 4 2023
Tetrachloroethylene MR 4 2023
CHLOROBENZENE MR 4 2023
Benzene MR 4 2023
Toluene MR 4 2023
Ethylbenzene MR 4 2023
Styrene MR 4 2023
DICHLOROMETHANE MR 4 2023
Barium MR 3 2012
Cadmium MR 3 2012
Chromium MR 3 2012

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
lithium 8/28/2024 21.9000 µg/L 9 µg/L Detected
lithium 8/28/2024 11.2000 µg/L 9 µg/L Detected
9Cl-PF3ONS 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 8/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
ADONA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFDoA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/22/2024 <0.004 µg/L 0.004 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.