CWS I-20 (SC) Water Quality CWS I-20 is a small public water system in EPA region 4 that provides tap water for the 29073 zip codes. It has 1 facilities where the water supply was tested for 33 chemical contaminants that impact tap water quality and human health.
All the latest water samples for CWS I-20 had reported contaminant levels that were below unsafe concentration levels.
Contaminants Jump To Contaminant 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (1) 1H,1H,2H,2H-perfluorodecane sulfonic acid (1) 1H,1H,2H,2H-perfluorohexane sulfonic acid (1) 1H,1H,2H,2H-perfluorooctane sulfonic acid (1) 4,8-dioxa-3H-perfluorononanoic acid (1) 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (1) anatoxin-a (8) cylindrospermopsin (8) hexafluoropropylene oxide dimer acid (GenX) (1) lithium (1) N-ethyl perfluorooctanesulfonamidoacetic acid (1) N-methyl perfluorooctanesulfonamidoacetic acid (1) nonafluoro-3,6-dioxaheptanoic acid (1) perfluoro(2-ethoxyethane)sulfonic acid (1) perfluoro-3-methoxypropanoic acid (1) perfluoro-4-methoxybutanoic acid (1) perfluorobutanesulfonic acid (1) perfluorobutanoic acid (1) perfluorodecanoic acid (1) perfluorododecanoic acid (1) perfluoroheptanesulfonic acid (1) perfluoroheptanoic acid (1) perfluorohexanesulfonic acid (1) perfluorohexanoic acid (1) perfluorononanoic acid (1) perfluorooctanesulfonic acid (1) perfluorooctanoic acid (1) perfluoropentanesulfonic acid (1) perfluoropentanoic acid (1) perfluorotetradecanoic acid (1) perfluorotridecanoic acid (1) perfluoroundecanoic acid (1) total microcystins (8)
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.005 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.005 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.005 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.002 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.03 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.09 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ 0.0078 µg/L
⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0028 µg/L
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <9 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.005 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.006 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.02 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.004 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.005 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.003 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ 0.0032 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0002 µg/L
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.004 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ 0.0055 µg/L
⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0015 µg/L
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.004 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.004 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ 0.0036 µg/L
⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0006 µg/L
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.008 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.007 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.002 µg/L
Below Reporting Level
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MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
MM CX Oak Dr. & August Hwy.
CC 3210004 West Columbia
ℹ️ <0.3 µg/L
Below Reporting Level
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Sampling Facilities CC 3210004 West Columbia
Surface Water (SW) MM CX Oak Dr. & August Hwy.Entry Point to the Distribution System (EP)
FAQ Is CWS I-20 tap water safe to drink? When was CWS I-20 last tested for water contamination? The latest water samples were taken on March 19th, 2025.
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