100 Pounds of Ammonia Leaked at Little Chute Business

One employee hospitalized after hazmat incident at Wisconsin facility

Published on Feb. 14, 2026

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Fire crews and hazmat teams were called to a business in Little Chute, Wisconsin on Friday evening after a leak released an estimated 100 pounds of ammonia. One employee was treated at the scene and transported to a local hospital for evaluation. The Appleton Fire Haz Mat Team monitored air quality and declared the building safe about an hour and a half after the initial response.

Why it matters

Ammonia leaks can pose serious health risks, especially in enclosed spaces, and require a swift emergency response to contain the situation and ensure public safety. This incident highlights the importance of proper safety protocols and emergency preparedness for businesses that handle hazardous materials.

The details

According to the Little Chute Fire Department, the ammonia leak was reported by someone inside the building on Freedom Road around 7:20 p.m. Firefighters and hazmat teams arrived and confirmed the leak, estimating that roughly 100 pounds of ammonia had been released. One employee was treated at the scene and transported to a local hospital.

  • The leak was reported around 7:20 p.m. on Friday, February 14, 2026.
  • The Appleton Fire Haz Mat Team declared the building safe about an hour and a half after the initial response.

The players

Little Chute Fire Department

The local fire department that responded to the ammonia leak and coordinated the hazmat response.

Appleton Fire Haz Mat Team

The hazardous materials response team that monitored air quality and declared the building safe after the incident.

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The takeaway

This incident underscores the importance of rigorous safety protocols and emergency preparedness for businesses that handle hazardous materials. Proper training, equipment, and emergency response plans can help mitigate the risks and protect employees and the surrounding community in the event of a leak or spill.