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States → South Carolina

WEST COLUMBIA CITY OF (3210004)

PWS ID: SC3210004 · WEST COLUMBIA, South Carolina 29171

PFAS Detected

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

Population Served
34,028
Total Violations
27
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
15,789
County
Lexington
School/Daycare
No
MCL Violations
4
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 2002
Total Haloacetic Acids (HAA5) MCL 4 2016
Lead and Copper Rule MR 4 1992
Nitrate MR 3 1993
Cadmium MR 1 1993
Chromium MR 1 1993
Mercury MR 1 1993
Selenium MR 1 1993
Barium MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 43 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/10/2025 <9 µg/L 9 µg/L Not Detected
6:2 FTS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 9/10/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/10/2025 0.0076 µg/L 0.005 µg/L Detected
NFDHA 9/10/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/10/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/10/2025 0.0045 µg/L 0.003 µg/L Detected
PFDA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/10/2025 0.0035 µg/L 0.003 µg/L Detected
PFOS 9/10/2025 0.0077 µg/L 0.004 µg/L Detected
PFNA 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/10/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFDoA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/10/2025 0.0042 µg/L 0.003 µg/L Detected
PFUnA 9/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/10/2025 0.0052 µg/L 0.004 µg/L Detected
NEtFOSAA 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/10/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/10/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFUnA 9/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/10/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/10/2025 0.0071 µg/L 0.005 µg/L Detected
ADONA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/10/2025 0.0035 µg/L 0.003 µg/L Detected
PFHxA 9/10/2025 0.0035 µg/L 0.003 µg/L Detected
PFDoA 9/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/10/2025 <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.