PlainWater

FLORIN COUNTY WATER DISTRICT

PWS ID: CA3410033 · SACRAMENTO, California 95829

PFAS Detected

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

Population Served
7,831
Total Violations
45
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,630
County
Sacramento
School/Daycare
No
MCL Violations
5
Monitoring Violations
28
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2004
Lead and Copper Rule MR 5 2014
Coliform (TCR) MR 4 2005
Arsenic MR 3 2006
LASSO MR 3 2006
Benzene MR 3 2006
Nitrate-Nitrite MR 3 2006
Nitrite MR 3 2006
Consumer Confidence Rule Other 2 2006
Total Haloacetic Acids (HAA5) MR 2 2007
TTHM MR 2 2007

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 34 of 570 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/26/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/26/2024 <9 µg/L 9 µg/L Not Detected
PFUnA 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/26/2024 0.0043 µg/L 0.004 µg/L Detected
PFOS 8/26/2024 0.0055 µg/L 0.004 µg/L Detected
PFNA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/26/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/26/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/26/2024 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/26/2024 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/26/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/26/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 8/26/2024 <0.006 µg/L 0.006 µg/L Not Detected
ADONA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/26/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/26/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 8/26/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/26/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/26/2024 <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.