The city said a breach in the system is suspected to have caused residents to smell fuel in their water, with breaches detected last week and Wednesday.
The Nunavut government has declared a 14-day state of emergency in Iqaluit after water in the capital was deemed undrinkable and potentially tainted with petroleum.
A University of Saskatchewan professor who has worked in Iqaluit says any amount of fuel in drinking water is unsafe, but drinking it over the short term isn't necessarily dangerous.
The Northwest Territories is mandating masks, banning gatherings and closing non-essential businesses in two communities where COVID-19 cases have been identified.
Sitting with her four-year-old daughter on her lap, Crystal Martin-Lepenskie had tears in her eyes as she watched Mary Simon become Canada's 30th Governor General.