How were the irrigation zones determined?

The city contracted with an engineering firm to model the city’s water system. After many iterations of the model, the current boundaries were determined the best to equitably distribute the daily water use and mitigate usage spikes. City-wide water use data was used from odd/even periods and from the 2021 temporary watering restrictions period that was needed due to the statewide drought that summer.

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1. Why was the lawn & landscape policy changed?
2. When did the update two days per week policy go into effect?
3. How do I know which days to water/which watering zone I am in?
4. I have a private well; do I still need to follow the Lawn Watering Policy?
5. When can homeowner associations irrigate?
6. When can commercial, industrial, institutional properties (schools/churches) irrigate?
7. What if I am planting new seed/sod?
8. I’m worried about my grass dying. How can I protect it?
9. What happens if the lawn watering policy is violated?
10. What about other outdoor water uses?
11. How do I reprogram my irrigation controller?
12. Why is there a five-day gap between allowed watering days for Zone "A"?
13. How were the irrigation zones determined?
14. What is the one inch of water per week guideline?
15. The 2021 elevated watering restrictions were enforced during extreme drought conditions. Why do we need these policy changes in a non-drought year?