Hazmat Crews Maintain Response to Unidentified Chemical Odor in Deer Park

Overview

• Hazmat teams and Harris County Sheriff’s deputies remain at 41 Tidal Road investigating an unknown odor linked to headaches and nausea among nearby residents.
• Tidal Road northbound and the westbound Highway 225 frontage road remain closed under perimeter controls to secure the area.
• The Center for Toxicology and Environmental Health is conducting continuous air monitoring under 2–4 mph southwest winds, with officials reporting no immediate risk to surrounding neighborhoods.
• Companies at the site, including Shell and Linde Deer Park, have issued internal alerts and a shelter-in-place order as a precaution.
• The City of Deer Park has launched an investigation to pinpoint the chemical’s source and has urged residents to follow official updates.