Which action is recommended to reduce the risk of E. coli infection from water sources?

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Multiple Choice

Which action is recommended to reduce the risk of E. coli infection from water sources?

Testing private wells for bacteria is the proactive step that reduces E. coli infection risk because it reveals contamination before people drink the water. E. coli serves as an indicator of fecal contamination, and private wells often aren’t treated by a municipal system, so regular testing lets you take timely actions—treat the water, issue a boil-water advisory, or switch to a safe source. The other options either ignore water quality, involve drinking untreated water, or rely on outbreaks to trigger protection; boiling water is beneficial, but it’s most effective when used in response to detected contamination, not as a sole routine practice.

Testing private wells for bacteria is the proactive step that reduces E. coli infection risk because it reveals contamination before people drink the water. E. coli serves as an indicator of fecal contamination, and private wells often aren’t treated by a municipal system, so regular testing lets you take timely actions—treat the water, issue a boil-water advisory, or switch to a safe source. The other options either ignore water quality, involve drinking untreated water, or rely on outbreaks to trigger protection; boiling water is beneficial, but it’s most effective when used in response to detected contamination, not as a sole routine practice.

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