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1. What are the disinfection requirements for commissioning piping or equipment in potable water service?

Arizona Department of Environmental Quality (ADEQ) Bulletin No. 8, "Disinfection of Water Systems," specifies the methodology and requirements for the disinfection of new piping and equipment. Bulletin No. 8 also discusses disinfection using chlorination as well as safety measures and emergency disinfection procedures.

2. What are the start-up requirements for a new treatment facility or system?

A new or modified treatment facility or system utilizing a complex or novel treatment process or very large facilities such as surface water treatment plants require the submission of a Start-up Plan for review and approval by the Water and Wastewater Treatment Program. A Start-up Plan may not be required for a simple treatment process or for a small facility as the start-up requirements may be specified on the Approval To Construct certificate. Start-up requirements will be determined on a project-by-project basis by the Water and Wastewater Treatment program. Find more information about start-up requirements.

3. What are the reporting requirements for treatment facilities?

For wastewater treatment facilities monthly operations and maintenance (O&M) reports are submitted on a monthly basis for the life of the facility. The format and content of the report is determined when a new or modified facility is initially commissioned. Find more information about reporting requirements.

4. Do wastewater and reclaimed water spills have to be reported?

Wastewater or reclaimed water spills shall be immediately reported to the Maricopa County Environmental Services Department by the operator of the wastewater treatment or reclaimed water facility or system. Get more information about reporting wastewater / reclaimed water spills.