Kahramaa will cut water and power supply if you’re over a month behind in payment, or if notified of owner’s departure permanently or temporarily. You may need to visit their office, a few days before your flight with your original deposit invoice to claim it.

Send them your inquiry here:
http://www.kahramaa.com.qa/KahraMaa/ASPX/Forms/Customer%20Care/Inquiry_F...

Salam