PlainWater

UA TECH PARK - RITA ROAD

PWS ID: AZ0420567 · TUCSON, Arizona 85747

PFAS Detected

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

Population Served
3,000
Total Violations
86
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
State
Connections
18
County
Pima
School/Daycare
Yes
MCL Violations
3
Monitoring Violations
77
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 9 2021
Coliform (TCR) MR 8 2007
Revised Total Coliform Rule Other 4 2023
TTHM MR 4 2020
Total Haloacetic Acids (HAA5) MR 4 2020
Coliform (TCR) MCL 3 2013
1,1-Dichloroethylene MR 2 1999
trans-1,2-Dichloroethylene MR 2 1999
1,1,2-Trichloroethane MR 2 1999
CHLOROBENZENE MR 2 1999
E. COLI MR 2 2023
DICHLOROMETHANE MR 2 1999
o-Dichlorobenzene MR 2 1999
Benzene MR 2 1999
p-Dichlorobenzene MR 2 1999
Toluene MR 2 1999
Styrene MR 2 1999
1,2-Dichloroethane MR 2 1999
cis-1,2-Dichloroethylene MR 2 1999
1,2-Dichloropropane MR 2 1999
Tetrachloroethylene MR 2 1999
Trichloroethylene MR 2 1999
1,1,1-Trichloroethane MR 2 1999
Carbon tetrachloride MR 2 1999
Ethylbenzene MR 2 1999
Nitrate MR 2 1999
BHC-GAMMA MR 1 2000
Chromium MR 1 1988
Fluoride MR 1 1988
Barium MR 1 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/23/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/7/2024 22.0000 µg/L 9 µg/L Detected
PFTA 8/7/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/7/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 8/7/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 3/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 3/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 3/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 3/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 3/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 3/19/2024 <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.