Less than 30% of Ontario's drinking water from private wells was tested last year, auditor general finds

Ontario's Auditor General Shelley Spence speaks to the media following the release her Annual Report, at the Ontario Legislature in Toronto, Tuesday, Dec. 3, 2024. THE CANADIAN PRESS/Chris Young

Less than one-third of the 1.3 million Ontario residents who rely on private wells for their drinking water had it tested within the last twelve months, says a report by the province's auditor general.