Consumer Fraud Helplines 1- (Chicago) 1- (Springfield) 1-800-0618-0607 (Carbondale). Individuals with hearingConsumer should submit all complaints through the City's 311 system. Who may file a complaint? Complaints may be filed by, but are not limited to, patients, patient family members, care givers, staff or advocacy groups. How do I file a complaint with the Department? BY APPOINTMENT: to schedule an appointment to file a complaint in person call: . The Cook County Department of Public Health responds to complaints about food safety; indoor and outdoor nuisances; rodents and pests; water, wells and septic. Set time aside to discuss advanced care with family members and loved ones. COPA's online complaint form takes about 30 minutes to complete.