What are the signage requirements for reclaimed water facilities or reuse irrigation systems?
The signage requirements are defined by Arizona Administrative Code (AAC) R18-9-704.H for reclaimed water reuse sites. Signage requirements vary depending on the Class of reclaimed water in use at a site. Classes A+ and A may be used at open access sites where access to reclaimed water by the general public is uncontrolled. Classes B+, B and C may be used at restricted access sites where access of the general public to areas served by reclaimed water is controlled.

All impoundments with open access including lakes, ponds, ornamental fountains, waterfalls, and other water features must be posted with signs regardless of the class of reclaimed water. The signage and notification requirements for other types reuse sites are identified in Table 1 of AAC R18-9-704.H. Signs must read “Caution: Reclaimed Water, Do Not Drink” and display the international “do not drink” symbol. For more information, please call 602-372-2861.

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1. Does reclaimed water have to be disinfected?
2. Can a reclaimed water storage lake or reservoir be uncovered?
3. What are the identification requirements for pipes, valves and other equipment in reclaimed water service?
4. What are the signage requirements for reclaimed water facilities or reuse irrigation systems?
5. Can backwash from the filter system on a storage lake or impoundment be discharged?
6. Can reclaimed water be discharged to a dry well?
7. Can reclaimed water be discharged to the waters of the United States?
8. What is the minimum thickness for reclaimed water storage lake liner?