Confused on Lawn Maintenance/ Water bills

[Pavan Kumar]

TLDR: how to take care of water bill which will include irrigation on a 10k sft yard 

Hello Everyone,  Will be closing on my  first new(build) Single family home as rental/investment property and would like to get your thoughts on how to go about Utility  Bill ( Water) . 

The yard alone is approx 10,000 squarefeet , watering the lawn will significantly increase the water bill. I don't think I can ask the renters to irrigate the lawn regularly? nor do I think they will. 

I do have HOA so lawn maintenance is a must ,this is the only rental in the community so far. I will hire out a lawn service for mowing ,but how do I go about paying the water bill, not able to figure this out . Should I split with the renter or should I pay it ,but won't the renter take advantage of the water usage if the landlord pays it ?

what would you do?