Code Enforcement City of Nowata > Code Enforcement Report a Violation Report a suspected City Code violation by calling Nowata City Hall or submitting a message to the online reporting system. Call City Hall: (918) 273-3538 Report Violation Online Contact Code Enforcement Please contact the Nowata City Code Enforcement Officer regarding all City Code questions and concerns. CHRISTOPHER EMERT City Code Enforcement Phone: (918) 273-3538 Email: code@nowataok.gov