Is the approval still valid if construction of my project has been halted?
An Approval to Construct or Interim Approval to Construct certificate expires if construction of a project has been halted for more than 1 year. For more information, please call 602-372-2861.

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1. What is the difference between an approval and a permit?
2. What types of approvals are issued by the Water and Wastewater Treatment Program?
3. When is an approval required?
4. How are approvals made?
5. What are approval certificates?
6. Why are there stipulations on the approval certificates?
7. What other types of approvals and permits may be required by other regulatory agencies?
8. Will I need to submit copies of permits issued by other regulatory agencies?
9. When can I start construction on my project?
10. How long do I have before I must start construction of my project?
11. How long do I have to complete construction of my project?
12. Is the approval still valid if construction of my project has been halted?
13. Can I renew an expired approval certificate?
14. When can I start-up my facility or system?