The North Carolina General Assembly building has three, 18,000 gallon tanks to collect rainwater that falls on the roof. The system also collects condensation from the air conditioning system inside the building. All this water is being used within the building and for landscape irrigation. Links for those who want to know more:
Stormwater Collection Project Facts
Video about the system
A cool fact stated in the video is that it only takes an inch of rain to fill the tanks completely.
The fountains are flowing again.