What are the major costs to operate the water system?

Water supply (17%) and labor (24%) that is available 24 hours per day 7 days per week combine to represent 41% of annual operating costs.  Operating costs for equipment, machinery, pumps and supplies makes up 34%.  Chemicals used for water treatment are a significant fixed cost.  See below to view a break down based on a dollar spent on the system.Dollar Bill Updated 2023

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1. Why do water rates need to be raised?
2. What would happen if we didn't raise the rates?
3. Why is a service charge included on my bill?
4. Why don't multi-family, commercial, and irrigation customers have tiered rates like single-family residential?
5. Why does the City bill for water every two months instead of monthly like most of my other bills?
6. Why is $8 million needed per year for Capital Improvements?
7. Why doesn't new development pay for capital improvements?
8. What are the major costs to operate the water system?
9. Does a water customer in Napa pay more or less than similar customers in neighboring communities?
10. You asked me to use less water in 2022 so why are my rates going up?