But in 2022, Gevo has been in some hot water when 376,000 gallons of manure leaked from one of their manure digesters after being filled without proper permits.
During a routine inspection last November, a DNR environmental specialist, saw that Craig Benjegerdes had been overapplying manure to his fields for years.
DNR field office personnel followed the tributary upstream until they were able to trace high ammonia levels coming from a small animal feeding operation owned by Benjamin Martin.
The Iowa Supreme Court has reversed a longtime precedent that allowed landowners to sue neighboring hog farmers for causing water pollution or causing odors.