It was too bad that the New Simple Volume, New Spanned Volume, New Stripped Volume, New Mirrored Volume, New RAID-5 Volume greyed out so that you cannot create new partition with this unallocated space.
The cost to add sewer backup could range from $10 to $250 per year with traditional home insurance policies. Not all insurance policies (or homes) are created equal. Some companies allow you to add sewer backup to your policy, but will limit the amount of coverage to $5,000.
For the smallest leak on the chart, an inside water and sewer customer would lose 7,200 gallons per billing period (bi-monthly), which at current rates ($3.47 for water and $2.32 for sewer) would equate to $41.69. For an outside city water and sewer customer, this would equate to $83.38.