Seward is an unincorporated community in Winnebago County

Winnebago County, Illinois

Winnebago County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 295,266, which is an increase of 6.1% from 278,418 in 2000...

, Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

, and is located west of Rockford

Rockford, Illinois

Rockford is a mid-sized city located on both banks of the Rock River in far northern Illinois. Often referred to as "The Forest City", Rockford is the county seat of Winnebago County, Illinois, USA. As reported in the 2010 U.S. census, the city was home to 152,871 people, the third most populated...

. It is part of the Rockford, Illinois Metropolitan Statistical Area

Rockford metropolitan area

The Rockford Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in north-central Illinois, anchored by the city of Rockford. As of the 2000 census, the MSA had a population of 320,204...

.

In early 2007, a leak at Seward Ag caused the release of 38,000 to 40,000 pounds of anhydrous ammonia gas. This resulted in a full evacuation of the village until the next day. Ten people were treated for throat irritation

Throat irritation

Throat irritation is a common complaint in individuals of all ages. Throat irritation means different things to different people. Some people may mean a dry cough; others describe it as a scratchy feeling at the back of the throat and others simply mean a sensation of something stuck at the back of...

at Rockford hospitals. Three cows and four pigs were killed because of exposure to anhydrous ammonia.

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