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GRIDFALLSurvival
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Sanitation · Days to clear · Advanced

If Your House Sits on a Well and Septic System

Floodwater can push sewage into a well and back up into a house that keeps draining.

This is for educational purposes only. Not professional medical, electrical, or safety advice.

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Warning

Never enter a septic tank or open a flooded one, and never drink well water after a flood until testing says it is safe. Floodwater can carry sewage and chemical contamination.

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Sources & further reading

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