PlainWater

MORENCI WATER ELEC CO MAIN

PWS ID: AZ0406003 · PHOENIX, Arizona 85040

PFAS Detected

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

Population Served
4,108
Total Violations
241
Health-Based Violations
23
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
1,643
County
Greenlee
School/Daycare
No
MCL Violations
2
Monitoring Violations
186
Treatment Tech Violations
17

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 27 2023
Chlorine MR 16 2023
Surface Water Treatment Rule MR 16 2023
CARBON, TOTAL TT 12 2023
TTHM MR 10 2016
Total Haloacetic Acids (HAA5) MR 10 2016
E. COLI MR 8 2018
Consumer Confidence Rule Other 6 2011
Nitrate MR 6 2003
Surface Water Treatment Rule TT 5 2003
CARBON, TOTAL MR 4 2025
Arsenic MR 4 1993
Barium MR 4 1993
Cadmium MR 4 1993
Mercury MR 4 1993
Chlorine MRDL 4 2005
Selenium MR 4 1993
Fluoride MR 4 1993
Chromium MR 4 1993
Revised Total Coliform Rule RPT 4 2023
Public Notice Other 3 2023
Coliform (TCR) MR 2 2006
p-Dichlorobenzene MR 2 2001
1,1-Dichloroethylene MR 2 2001
trans-1,2-Dichloroethylene MR 2 2001
1,2-Dichloroethane MR 2 2001
1,1,1-Trichloroethane MR 2 2001
Trichloroethylene MR 2 2001
1,1,2-Trichloroethane MR 2 2001
Tetrachloroethylene MR 2 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/10/2025 0.0067 µg/L 0.005 µg/L Detected
HFPO-DA 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/10/2025 0.0230 µg/L 0.003 µg/L Detected
PFEESA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/10/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/5/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/5/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/5/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/5/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/5/2025 22.0000 µg/L 9 µg/L Detected
PFHxS 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/7/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 5/7/2025 0.0066 µg/L 0.003 µg/L Detected
PFNA 5/7/2025 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/7/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/7/2025 23.0000 µg/L 9 µg/L Detected
NEtFOSAA 5/7/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/7/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 5/7/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/7/2025 <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.