Environmental

A NH property's drinking water well tests positive for coliform bacteria. The appropriate response is to:

ASimply boil all drinking water going forward
BIdentify the source (often a failing septic system or surface contamination), disinfect the well, and retest✓ Correct
CAbandon the well immediately
DOnly report to NHDES with no other action needed

Explanation

Coliform bacteria in well water indicates contamination requiring investigation and remediation — finding and addressing the source (failed septic, animal waste, surface runoff), shocking (disinfecting) the well, and retesting to confirm it is safe.

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