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Disinfectant that can cause taste/odor issues and byproducts. Below are US cities ranked by their measured Chlorine levels compared to EPA limits. Higher percentages indicate greater concern.
Vulnerable Populations: Main concern is disinfection byproducts (THMs, HAAs) formed when chlorine reacts with organic matter - those have cancer risks.
Ranked by percentage of EPA limit. Click any city for full water quality report.
| Rank | City | State | Level | EPA Limit | % of Limit | Status | Population |
|---|
Standard carbon filters very effective. Pitchers, faucet-mount, or whole-house.
Enhanced carbon for chlorine and chloramine.
Copper-zinc media removes chlorine through chemical reaction.
Chlorine kills harmful bacteria and viruses, preventing waterborne diseases. It's essential for safe public water supplies.
At EPA-allowed levels, chlorine itself is not dangerous. The main concern is byproducts formed when chlorine reacts with organic matter.
Any activated carbon filter will effectively remove chlorine taste and odor. Even inexpensive pitcher filters work well.