PlainWater
States → Arizona

TUCSON COUNTRY DAY SCHOOL

PWS ID: AZ0420018 · TUCSON, Arizona 85715

PFAS Detected

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

Population Served
800
Total Violations
41
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
10
County
Pima
School/Daycare
Yes
MCL Violations
1
Monitoring Violations
34
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2008
Chlorine MR 11 2016
Lead and Copper Rule MR 7 2007
Revised Total Coliform Rule MON 2 2017
Nitrate MR 2 2006
Coliform (TCR) MCL 1 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 60 samples detected PFAS.

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