Iowa Code § 670.12: Officers and employees — personal liability.

All officers and employees of municipalities are not personally liable for claims which are exempted under section 670.4, except claims for punitive damages, and actions permitted under section 85.20. An officer or employee of a municipality is not liable for punitive damages as a result of acts in the performance of a duty, unless actual malice or willful, wanton and reckless misconduct is proven.