PlainWater
States → California

LATON COMMUNITY SERVICES DISTRICT

PWS ID: CA1010020 · LATON, California 93242

PFAS Detected

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

Population Served
1,151
Total Violations
19
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
473
County
Fresno
School/Daycare
No
MCL Violations
14
Monitoring Violations
3
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 2014
Nitrate MR 2 2016
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Lead and Copper Rule MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 3/5/2024 <9 µg/L 9 µg/L Not Detected
PFBS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 3/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 3/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFEESA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 3/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 3/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 3/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 3/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 3/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 3/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 3/5/2024 <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.