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Water Q & A
Why do some areas test negative for chlorine?
Virtually all city water systems contain some level of chlorine. The level will vary based on outdoor temperature, the season, distance from the water utility, and current usage. While chlorine may sometimes be undetectable on a certain day with a standard OTO test kit, chlorine levels can change dramatically from day to day. Also, some cities use ammonia at certain times as a disinfectant in order to reduce chlorination byproducts. Without chlorine, the dangers of waterborne disease would be too significant; an undetectable chlorine level, on a certain day, does not eliminate the need for an effective chlorine removal system.
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