On June 30, the Iowa Supreme Court revisited an earlier nuisance decision and put its ruling in line with its own precedent for interpreting Iowa’s Constitution. In Garrison v. New Fashion Pork LLP, the court also upheld the district court’s finding that the plaintiff lacked evidence to prove that the neighboring hog farm, located about a half-mile away, was a nuisance, polluted or caused drainage problems. 

The 2004 Gacke decision had found Iowa’s nuisance law to...