PlainWater

ARIZONA WATER CO - LAKESIDE

PWS ID: AZ0409003 · PHOENIX, Arizona 85015-5351

PFAS Detected

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

Population Served
12,191
Total Violations
89
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
4,430
County
Navajo
School/Daycare
No
MCL Violations
0
Monitoring Violations
83
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
trans-1,2-Dichloroethylene MR 6 2008
1,2,4-Trichlorobenzene MR 3 2008
1,2-Dichloropropane MR 3 2008
Trichloroethylene MR 3 2008
Pentachlorophenol MR 3 2000
Tetrachloroethylene MR 3 2008
Xylenes, Total MR 3 2008
DICHLOROMETHANE MR 3 2008
o-Dichlorobenzene MR 3 2008
p-Dichlorobenzene MR 3 2008
1,1-Dichloroethylene MR 3 2008
1,1,1-Trichloroethane MR 3 2008
Carbon tetrachloride MR 3 2008
Benzene MR 3 2008
Ethylbenzene MR 3 2008
Styrene MR 3 2008
cis-1,2-Dichloroethylene MR 3 2008
1,2-Dichloroethane MR 3 2008
Toluene MR 3 2008
CHLOROBENZENE MR 3 2008
Endothall MR 3 2000
Carbofuran MR 3 2000
1,1,2-Trichloroethane MR 3 2008
Chlorine MR 2 2015
Vinyl chloride MR 2 2008
Simazine MR 2 2000
Di(2-ethylhexyl) phthalate MR 2 2000
Benzo(a)pyrene MR 2 2000
Consumer Confidence Rule Other 1 2002
Coliform (TCR) MR 1 2007

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/21/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/21/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 5/21/2025 9.3000 µg/L 9 µg/L Detected
PFHpS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/21/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/21/2025 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/21/2025 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 5/21/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/21/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/21/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/21/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFMPA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/21/2025 <9 µg/L 9 µg/L Not Detected
PFDA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/21/2025 <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.