Milk and Money: Norfolk dairy plant racked up hundreds of violations. The city finally had enough.

Michael's Cantina has been serving Tex-Mex food to the residents here for more than 30 years.

It feels timeless, except for an unwelcome newcomer: the stench.

For the past two years, the restaurant and nearby residents have been bothered by the stink, which owner Heath Henery describes as a "sewer smell with almost a vomit smell."

He blames the odor on the dairy processing plant across the street, a company long known as Milk Specialties Global that recently rebranded as Actus Nutrition. The company recently expanded its Norfolk plant, growing its daily processing capacity by millions of pound...