said by MadMANN
What More than likely, your water use will be confined to your apartment use as per your lease. So if you share it with a car wash, you run the risk of getting evicted
Lease Agreement Tenant Prohibited:
[....]
Section 14. run [businesses], [or utilities] from the Premises that provide [water] or any other services to anyone outside of your Premises, also commonly referred to as public [utilities]. Examples of prohibited services and servers include, but are not limited to, [washing laundry as a business], [water] sharing, and [offering water via external faucets];