WS - C - Water Sewer Rate Structure Increase Information - Water Plant Upgrade Project

City of Tiffin, Iowa Discussion Summary April 15, 2025 Water Rate Study Presented by Northland Securities Review of Tiffin Water Operating Fund  Rate Study  Detailed report Current Debt Obligations of the Water Fund  2020 GO – Portion paid water fund for well o $111,500 principal and interest payment through 2032 Preparing for Water Project  SRF 20 year revenue notes offered at 3.09%  $15M 20 year note approximate principal and interest payment is $1,056,000  Rate increases to go into effect for FY 2025/2026 year Rate Increase Options  Option 1 o Rate increase reflected more on base rate  Option 2 o Rate increase reflected 50/50  Option 3 o Rate increase reflected more on usage rate Questions