What are the state mandated setbacks?

The well setbacks come from the State Water Resources Control Board Title 22 Code of Regulations, Article 4. Use Area Requirements.  A summary of the setbacks are listed below and further information can be found in the regulation 

  1. Tertiary recycled water – 50’ from a domestic water supply well
  2. Secondary 23 recycled water – 100’ from a domestic water supply well
  3. Undisinfected secondary recycled water – 150’ from a domestic water supply well
  4. No spray irrigation of any recycled water other than disinfected tertiary recycled water shall take place within 100’ of a residence or a place where public exposure could be similar to that of a park, playground, or school yard.


Show All Answers

1. Why is the City geo-locating drinking water and agricultural wells on my property?
2. Who’s paying for collecting my domestic well information?
3. Who are you sharing my well information with?
4. When will I know when you are entering my property?
5. Will the location of the wells on my property be made publicly available?
6. What are the state mandated setbacks?
7. Can I receive a copy of the report generated about my domestic well?
8. Will the City be collecting water quality samples from my well?
9. How often is the City required to map domestic wells?