What factors contribute to increases in water and wastewater rates?

Several factors contributed to these increased rates:

  • Future replacement of water and wastewater infrastructure
  • The increased wholesale price of water from the Cascade Water Alliance
  • Inflationary increases in operating and maintenance costs
  • King County Metro's wastewater treatment pass-through charge increased by 2.51% to $45.33 for 2019


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1. What are the water and wastewater rate drivers?
2. What factors contribute to increases in water and wastewater rates?
3. What are the stormwater rate drivers?
4. What factors contribute to increases in stormwater rates?