Toilet water is "black" water and must be mitigated to remove any sewage.

Here is the exact text of the law:(A) Any security deposit in excess of fifty dollars or one month's periodic rent, whichever is greater, shall bear interest on the excess at the rate of five per cent per annum if the tenant remains in possession of the premises for six months or more, and shall be computed and paid annually by the landlord to the tenant.Instead of charging an extra security deposit, you may want to consider a risk mitigation fee.

This is so the bank can mitigate their risk.

They can escort you on the walk through to make sure you don’t accidentally wander into a dangerous area.

There are some limited exceptions to this for illegal or dangerous / destructive acts but I haven't heard of many people being successfully able to remove tenants at this time.  

Just do your best to mitigate them by being purposeful and having a clear vision.

Move out of TX - utility infrastructure is dangerously fragile (life threatening).2.

Mitigation, not avoidance.

If the odor is not properly mitigated that will cause ongoing problems.

It's unprofessional and potentially dangerous.....Write him a check.