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NYC Legionella cooling tower outbreak 2026
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
12 FACTS
1 EVENTS
1 SOURCES
FIRST ENTRY JUL 27
JUL 27 · Day 1
Legionella bacteria found in Upper East Side cooling towers before outbreak
Menin had urged the health department to disinfect all cooling towers in the affected ZIP codes.
New York City's Health Department identified 56 buildings on the Upper East Side that had active Legionella bacteria living in their cooling towers before the outbreak.
New York City's regulations require building owners to conduct culture tests every 31 days.