PlainWater

ROSE VALLEY WATER COMPANY

PWS ID: AZ0407065 · YUMA, Arizona 86367

PFAS Detected

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

Population Served
6,202
Total Violations
55
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
2,398
County
Maricopa
School/Daycare
No
MCL Violations
2
Monitoring Violations
45
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2016
Chlorine MR 8 2023
Lead and Copper Rule MR 7 2017
TTHM MR 5 2019
Total Haloacetic Acids (HAA5) MR 5 2019
Nitrate MR 4 2006
E. COLI MR 3 2018
Coliform (TCR) MCL 2 2006
Consumer Confidence Rule Other 2 2010
Revised Total Coliform Rule RPT 2 2019
Public Notice Other 1 2025
Mercury MR 1 1980
Gross Alpha, Excl. Radon and U MR 1 1979

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFTA 6/19/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 6/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/19/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 6/19/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFPeA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/19/2023 20.9000 µg/L 9 µg/L Detected
NEtFOSAA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 6/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/19/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/19/2024 <0.003 µg/L 0.003 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
11Cl-PF3OUdS 3/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 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
6:2 FTS 3/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 3/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 3/19/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 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
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.