Rates and Billing Information

Water and Sewer Rate Studies

  1. 2025 Water and Sewer Rate Study (PDF)
  2. Notice of Public Hearing 2025 (PDF)

Water and Sewer Billing Calculation Information

  1. How Does the City of Cotati Calculate Your Water?
  2. Water and Sewer Rate Adjustment - June 15 2024
  3. Monthly Billing - Water and Sewer Usage and Base Charges Change Table
  4. BiMonthly Water and Sewer Rate Adjustment - June 15, 2023