As described in https://ottawa.ca/en/residents/garbage-and-recycling/hazardous-waste-and-special-items we have local waste depots twice this year, for disposing of paint, old electronics and other things too dangerous for regular garbage.
The depot runs from 8 a.m. to 4 p.m. at Tunney’s Pasture. Dates this year are:
Sunday, May 5, 2019
Sunday, September 15, 2019