PlainWater

CAYCE CITY OF (3210003)

PWS ID: SC3210003 · WEST COLUMBIA, South Carolina 29171

PFAS Detected

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

Population Served
17,460
Total Violations
28
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,224
County
Lexington
School/Daycare
No
MCL Violations
9
Monitoring Violations
19
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 9 2012
Lead and Copper Rule MR 4 1992
Coliform (TCR) MR 4 2003
Surface Water Treatment Rule MR 3 1993
Nitrate MR 3 1993
Chromium MR 1 1993
Barium MR 1 1993
Mercury MR 1 1993
Selenium MR 1 1993
Cadmium MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 16 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 9/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 9/16/2025 0.0074 µg/L 0.005 µg/L Detected
PFBA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/16/2025 0.0050 µg/L 0.003 µg/L Detected
PFEESA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/16/2025 0.0038 µg/L 0.003 µg/L Detected
lithium 9/16/2025 <9 µg/L 9 µg/L Not Detected
PFUnA 9/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 9/16/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/16/2025 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 9/16/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFPeS 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 9/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/16/2025 0.0063 µg/L 0.004 µg/L Detected
PFOA 9/16/2025 0.0055 µg/L 0.004 µg/L Detected
PFDA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/16/2025 0.0049 µg/L 0.003 µg/L Detected
11Cl-PF3OUdS 9/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/30/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHxS 4/30/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/30/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/30/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/30/2025 0.0055 µg/L 0.004 µg/L Detected
PFHpA 4/30/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/30/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 4/30/2025 <9 µg/L 9 µg/L Not Detected
PFBS 4/30/2025 0.0036 µg/L 0.003 µg/L Detected
HFPO-DA 4/30/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/30/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/30/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/30/2025 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 4/30/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/30/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 4/30/2025 0.0052 µg/L 0.004 µg/L Detected
PFTrDA 4/30/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 4/30/2025 0.0042 µg/L 0.003 µg/L Detected
NFDHA 4/30/2025 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 4/30/2025 <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.