Effective immediately, residential customers will no longer be charged sales tax for the storm sewer portion of their utility bill due to updated information from the Iowa Department of Revenue. The average residential bill includes storm sewer sales tax of approximately $3.50/year. Residential customers that have paid that sales tax can request a refund up to the last 3 years by filling out a refund form that can be viewed below. To download form go to https://tax.iowa.gov/sites/default/files/2019-08/IA843RefundReturn(22009).pdf