I got an email from Larry Franks, hard-working DPS administrator of maintenance, this morning. The work is finished in Rainbow Lake, and they'll begin filling it back up about lunchtime today. That's impressive, given the amount of rain they had to contend with on this job, as well as the delay for a second day of fish rescue. It will be lovely to have the lake back again.
Larry says the Zoo curators are planning to return the fish and wildlife to the lake next week, after the oxygen has a chance to stabilize and the chlorine to dissipate. So we'll be back to normal (but with working fountains and drainage) very soon.