PlainWater
States → South Carolina

WINNSBORO TOWN OF (2010001)

PWS ID: SC2010001 · WINNSBORO, South Carolina 29180

PFAS Detected

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

Population Served
10,391
Total Violations
61
Health-Based Violations
35
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,958
County
Fairfield
School/Daycare
No
MCL Violations
2
Monitoring Violations
23
Treatment Tech Violations
33

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL TT 26 2011
Interim Enhanced Surface Water Treatment Rule TT 7 2013
Revised Total Coliform Rule MON 4 2022
Interim Enhanced Surface Water Treatment Rule MR 4 2007
Lead and Copper Rule MR 3 1993
Nitrate MR 3 1993
Surface Water Treatment Rule MR 3 1998
Consumer Confidence Rule Other 3 2022
Coliform (TCR) MCL 2 1991
Chromium MR 1 1993
Barium MR 1 1993
Selenium MR 1 1993
Mercury MR 1 1993
Cadmium MR 1 1993
Coliform (TCR) MR 1 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 7/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/15/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/15/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/15/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 7/15/2024 <9 µg/L 9 µg/L Not Detected
PFHxA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 4/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFDoA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 4/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 4/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 4/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFNA 4/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 4/22/2024 <9 µg/L 9 µg/L Not Detected
HFPO-DA 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 3/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/4/2024 <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.