The Waterloo Fire Department responded shortly after 10:20 a.m. Thursday to a gas leak reported at 105 Madison Drive. A gas department worker called in a leak to an underground pipe and requested an evacuation of nearby homes.

Police and fire department personnel evacuated homes on Madison Drive and Hamacher Avenue between Adams and Jefferson drives as a precaution. The Monroe County EMA also assisted at a staging area set up near the incident. The Columbia Fire Department also assisted with manpower, staging at the intersection of Madison and Jefferson.

The evacuation lasted for about an hour, Waterloo Fire Chief Aaron Shive said.

Shortly before 10 a.m., the WFD responded to two separate reports of possible anhydrous ammonia leaks that turned out to be unfounded. For more on those calls, click here.