From Megan Welsh, who teaches research methods and data analysis for public administration at SDSU:
I would be interested in knowing more about how the opening and closure of
public bathrooms has affected where people are staying.
Here are the approximate dates and locations of the closure/removal of
some of those bathrooms:
And there were temporary bathrooms place throughout downtown during the
Hep A crisis, but I believe that most of those have since been removed. This article contains a map.