This map shows where Ottawa Riverkeeper collected water samples in the National Capital Region. It tested the smaller streams which feed into the larger Ottawa River because they wind through ...
The last bridge erected over the Ottawa River, the Portage Bridge, was completed in 1973. At that time, MacKinnon noted, the population of the region was 600,000. It is now over 1.3 million.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results