PlainWater
States → Arizona

CITY OF SHOW LOW

PWS ID: AZ0409026 · SHOW LOW, Arizona 85901

PFAS Detected

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

Population Served
17,139
Total Violations
825
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,452
County
Navajo
School/Daycare
No
MCL Violations
2
Monitoring Violations
752
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 79 2020
Nitrate MR 41 2019
Xylenes, Total MR 16 2019
DICHLOROMETHANE MR 16 2019
p-Dichlorobenzene MR 16 2019
trans-1,2-Dichloroethylene MR 16 2019
1,2-Dichloroethane MR 16 2019
Carbon tetrachloride MR 16 2019
Tetrachloroethylene MR 16 2019
Toluene MR 16 2019
Ethylbenzene MR 16 2019
Styrene MR 16 2019
1,2,4-Trichlorobenzene MR 16 2019
o-Dichlorobenzene MR 16 2019
1,1-Dichloroethylene MR 16 2019
Trichloroethylene MR 16 2019
CHLOROBENZENE MR 16 2019
Asbestos MR 16 2012
1,1,1-Trichloroethane MR 16 2019
1,2-Dichloropropane MR 16 2019
cis-1,2-Dichloroethylene MR 16 2019
Benzene MR 16 2019
1,1,2-Trichloroethane MR 16 2019
CYANIDE MR 13 2016
Chlorine MR 12 2014
Vinyl chloride MR 11 2019
Thallium, Total MR 9 2013
Antimony, Total MR 9 2013
Mercury MR 9 2013
Cadmium MR 9 2013

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 17 of 600 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/4/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/4/2024 18.4000 µg/L 9 µg/L Detected
PFBS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/4/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/4/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/4/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/4/2024 11.8000 µg/L 9 µg/L Detected
PFDoA 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/4/2024 <0.008 µg/L 0.008 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.