There are many commercial water customers who have slightly different needs than residential water customers. For instance, they require a backflow prevention assembly. More information can be found at the link below.

Backflow Assemblies FAQ

For information regarding commercial rates and fees, click on our rates and fees page here. Commercial accounts will need to confirm the meter size for the monthly rate, but all are billed a flat consumption fee.

If there is a question about the service provider for a property, please refer to the service area map here.


Commercial facilities that discharge regulated wastes into the sewers, such as metal finishers, car washes, auto repair shops, photo developers, restaurants, and hospitals must have an industrial waste discharge permit. To determine if the property is within our service area, refer to the map here.

The information below provides details on what types of discharge requires this permit, and the permit application. 

Any questions about this program can be directed to (520) 382-2507.

Industrial Waste Ordinance No. 2015.004

Exhibit A to Marana Resolution 2015-013

Application/Questionnaire for Industrial Wastewater Discharge Permit