What is the difference between an approval and a permit?
An approval allows a new water or wastewater treatment facility, reclaimed water facility, or reuse water system to be constructed, or an existing facility or system to be modified. A permit allows a facility or system to be operated.

For example, when the engineering plan review process for a new water treatment plant project is completed an Approval to Construct certificate is issued to allow the construction of the plant to commence. After construction of the water treatment plant is completed an Approval of Construction certificate is issued and the treatment plant is allowed to be operated as stipulated by the conditions of its permit. For more information, please call 602-506-1069.

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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?