PlainWater

ASPC YUMA

PWS ID: AZ0414099 · YUMA, Arizona 85365

PFAS Detected

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

Population Served
4,197
Total Violations
441
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
40
County
Yuma
School/Daycare
No
MCL Violations
2
Monitoring Violations
389
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 21 2015
Chlorine MR 18 2023
TTHM MR 12 2024
Nitrate MR 12 2013
Total Haloacetic Acids (HAA5) MR 11 2024
Consumer Confidence Rule Other 11 2021
Revised Total Coliform Rule RPT 11 2025
Lead and Copper Rule MR 9 2021
BHC-GAMMA MR 7 2016
Diquat MR 6 2016
OXAMYL MR 6 2016
Di(2-ethylhexyl) phthalate MR 6 2016
Hexachlorocyclopentadiene MR 6 2016
p-Dichlorobenzene MR 6 2004
HEXACHLOROBENZENE MR 6 2016
Benzo(a)pyrene MR 6 2016
Endothall MR 6 2016
Glyphosate MR 6 2016
trans-1,2-Dichloroethylene MR 6 2004
Carbon tetrachloride MR 6 2004
cis-1,2-Dichloroethylene MR 6 2004
Xylenes, Total MR 6 2004
DICHLOROMETHANE MR 6 2004
Tetrachloroethylene MR 6 2004
2,3,7,8-TCDD MR 6 2016
Di(2-ethylhexyl) adipate MR 6 2016
Carbofuran MR 6 2016
Trichloroethylene MR 6 2004
Ethylbenzene MR 6 2004
1,2,4-Trichlorobenzene MR 6 2004

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFMBA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 7/16/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/16/2023 30.0000 µg/L 9 µg/L Detected
PFTA 7/16/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 7/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/16/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 7/16/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHpA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 7/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 2/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 2/6/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 2/6/2023 40.0000 µg/L 9 µg/L Detected
PFDA 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 2/6/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 2/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 2/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 2/6/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 2/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 2/6/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 2/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 2/6/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 2/6/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 2/6/2023 <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.