Most of the issues described in the linked article are not unusual. There are the same challenges of rebuilding in the same place where homes were flooded and then the "who is going to pay for what" question.
I found it interesting that Texas has $10B in a rainy day fund, that they don't want to touch. What's up with that? I see that as the typical attempt to shift disaster recovery costs to the federal government — to the best of their ability.
Given that Houston has had repeated floods, three in recent memory, they should be having more events even before this one is fully adjudicated.
Claire Rubin shared the link above.
And, here is another article on what the Corps of Engineers is proposing, Corps Pitches Unprecedented Watershed Study After Harvey.