PlainWater

LIBERTY WATER LPSCO

PWS ID: AZ0407046 · LITCHFIELD PARK, Arizona 85340

PFAS Detected

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

Population Served
50,770
Total Violations
271
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
20,308
County
Maricopa
School/Daycare
No
MCL Violations
2
Monitoring Violations
237
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 26 2008
Chlorine MR 9 2016
Arsenic MR 8 2023
Nitrate MR 7 2021
Styrene MR 6 2006
Toxaphene MR 5 2016
Chlordane MR 5 2016
TTHM MR 5 2009
Total Haloacetic Acids (HAA5) MR 5 2009
Consumer Confidence Rule Other 5 2011
Methoxychlor MR 4 2004
Di(2-ethylhexyl) adipate MR 4 2004
Hexachlorocyclopentadiene MR 4 2004
Heptachlor MR 4 2004
Heptachlor epoxide MR 4 2004
HEXACHLOROBENZENE MR 4 2004
Simazine MR 4 2004
BHC-GAMMA MR 4 2004
Di(2-ethylhexyl) phthalate MR 4 2004
LASSO MR 4 2004
Endrin MR 4 2004
Atrazine MR 4 2004
Benzo(a)pyrene MR 4 2004
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2001
Dalapon MR 3 2001
Dinoseb MR 3 2001
2,4-D MR 3 2001
Pentachlorophenol MR 3 2001
cis-1,2-Dichloroethylene MR 3 2006
Xylenes, Total MR 3 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 77 of 420 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/13/2023 <0.02 µg/L 0.02 µg/L Not Detected
4:2 FTS 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/13/2023 85.7000 µg/L 9 µg/L Detected
HFPO-DA 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/13/2023 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 9/13/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/13/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/13/2023 0.0034 µg/L 0.003 µg/L Detected
PFDoA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/13/2023 0.0050 µg/L 0.004 µg/L Detected
PFOS 9/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/13/2023 0.0059 µg/L 0.003 µg/L Detected
PFHpA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/13/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/13/2023 <0.008 µg/L 0.008 µg/L Not Detected
HFPO-DA 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/13/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/13/2023 0.0066 µg/L 0.003 µg/L Detected
9Cl-PF3ONS 9/13/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/13/2023 111.0000 µg/L 9 µg/L Detected
NFDHA 9/13/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/13/2023 <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.