PlainWater
States → California

SAN BENITO HIGH SCHOOL

PWS ID: CA3500571 · HOLLISTER, California 95023

PFAS Detected

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

Population Served
3,310
Total Violations
18
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
61
County
San Benito
School/Daycare
Yes
MCL Violations
6
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 1997
Coliform (TCR) MR 4 2005
Nitrate MR 4 2008
Consumer Confidence Rule Other 2 2009
Lead and Copper Rule MR 2 1993

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFUnA 3/27/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 3/27/2024 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 3/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 3/27/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 3/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 3/27/2024 27.0000 µg/L 9 µg/L Detected
PFTA 3/27/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 3/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 3/27/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 3/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 3/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/27/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 3/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 10/23/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFMBA 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 10/23/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 10/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 10/23/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 10/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 10/23/2024 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 10/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 10/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 10/23/2024 31.0000 µg/L 9 µg/L Detected
PFHxA 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 10/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 10/23/2024 <0.005 µg/L 0.005 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.