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NYC Daily · Wednesday, July 15, 2026

Cash App Fraud Risk, NYC Faster Bus Plan, Manhattan Cooling Tower…

By Farzad Khosravi · Sent Wednesday, July 15, 2026

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DEEP DIVE

Hundreds of Manhattan Cooling Towers Haven’t Submitted Tests to Detect Legionella

More than 500 cooling towers across Manhattan have failed to submit the mandated monthly water tests required to detect Legionella bacteria, a potential source of deadly Legionnaires’ disease, records reviewed by The City Reporter reveal. Of those, 388 towers have no record of submitting any test results since at least 2025. This widespread noncompliance coincides with a recent outbreak on the Upper East Side and Carnegie Hill, where 60 residents fell ill and 15 remain hospitalized as of last Tuesday.

The outbreak has put a spotlight on these cooling towers, which air conditioning systems in buildings depend upon and which have historically been the source of Legionella contamination. City health officials tested 183 towers in affected zip codes, revealing 76 positive tests for the bacteria, 9 of which had no prior records of submission to the Department of Health. Notable locations with positive towers include the Asphalt Green sports complex and several large residential buildings, signaling systemic gaps in compliance and enforcement.

This failure to comply with testing regulations threatens public health by increasing the risk of Legionella spread in dense Manhattan neighborhoods. The city’s outbreak response and preventive measures hinge on enforcement actions, which may include fines or mandates for remediation. Residents and building owners face tangible consequences as the city ramps up oversight and scrutiny in coming months, pushing for full testing transparency to prevent further illness and potential fatalities. (The City Reporter)

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