If the same filtration system is used for diarrhea, what must occur?

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Multiple Choice

If the same filtration system is used for diarrhea, what must occur?

When a single filtration system serves more than one pool, a diarrheal event requires closing every pool connected to that system. The circulating water is shared, so pathogens can move between venues through the same pumps, pipes, and filters. To protect public health, you stop operations for all pools on that system and treat the entire circuit—backwash and clean the filtration, replace water as needed, re-sanitize, and test before reopening. Closing only the affected pool would not prevent distribution of contaminants through the shared system. Not closing at all would risk ongoing exposure. Closing only the filters would leave contaminated water circulating to other pools.

When a single filtration system serves more than one pool, a diarrheal event requires closing every pool connected to that system. The circulating water is shared, so pathogens can move between venues through the same pumps, pipes, and filters. To protect public health, you stop operations for all pools on that system and treat the entire circuit—backwash and clean the filtration, replace water as needed, re-sanitize, and test before reopening.

Closing only the affected pool would not prevent distribution of contaminants through the shared system. Not closing at all would risk ongoing exposure. Closing only the filters would leave contaminated water circulating to other pools.

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