Contaminant Guide
Arsenic in Your Drinking Water
Arsenic is a naturally occurring carcinogen found in groundwater across SC and NC. It has no taste, color, or odor — testing is the only way to know if it's in your water.
Key Facts
- • EPA maximum contaminant level: 10 ppb (parts per billion)
- • Long-term arsenic exposure is linked by the EPA to bladder, lung, and skin cancers
- • Arsenic occurs naturally in some SC and NC bedrock and can appear in private wells
- • Legacy agricultural pesticides can also introduce arsenic into groundwater
- • The EPA identifies reverse osmosis among treatment technologies for arsenic
The Solution
Reverse osmosis and arsenic-specific adsorptive media are among the treatment technologies the EPA identifies for arsenic. ClearFlow installs systems whose arsenic-reduction performance and certifications are published by the manufacturer.
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Arsenic in Drinking Water — FAQ
Yes. Arsenic occurs naturally in the geology of both states and is a documented concern in private wells and some municipal sources, particularly in areas with igneous rock formations or legacy pesticide use.
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