Mount Prospect Animal Feed Company To Pay $185K Over Odor, Noise Complaints

MOUNT PROSPECT, IL — An animal feed manufacturer accused of subjecting nearby residents, schools and a daycare to foul odors and excessive noise will pay $185,000 in civil penalties under a court-approved settlement announced by Illinois Attorney General Kwame Raoul.

The consent decree resolves a lawsuit filed against Prestige Feed Products LLC over pollution allegedly generated by its former Mount Prospect manufacturing plant.

The facility used machinery to dehydrate raw soy- and cheese-based materials into animal feed ingredients, according to the Attorney General’s Office.

More than 150 residents living near the plant logged over 1,000 complaints about nauseating odors between June 2023 and December 2025, when Prestige stopped operating at the site.

“Residents in the community surrounding Prestige should be able to enjoy their lives and homes without having to endure the foul odors coming from the company’s operations,” Raoul said in a statement.

“I will continue to protect all Illinois communities and hold companies accountable when violations of our environmental laws occur.”

Residents Kept Windows Closed

Some residents reported keeping their windows shut because of the odors and said they were unable to comfortably spend time outdoors.

The conditions also affected nearby schools and a daycare and preschool, which kept children indoors on days when odors from the facility were present, according to the state.

Raoul’s lawsuit alleged that the plant caused both air and noise pollution.

Prestige ceased operations at the Mount Prospect facility in December 2025.

Earlier this year, the company agreed to a separate $900,000 class-action settlement with affected residents.

State Says Penalty Will Deter Future Violations

The Attorney General’s lawsuit was filed following a referral from the Illinois Environmental Protection Agency.

“The defendant’s closure of its facility ended its environmental violations, but it is also important that the company answer to its past violations that impacted neighboring properties,” Illinois EPA Director James Jennings said.

“Today’s consent order imposes significant civil penalties to deter this company and others like it from violating Illinois law and brings this case to a close.”

The settlement requires Prestige to pay $185,000 in civil penalties.

Raoul’s Environmental Enforcement Division handles civil cases involving violations of Illinois environmental laws. Residents may report environmental justice concerns to the Attorney General’s Office at ej@ilag.gov.