The latest Guidelines for Canadian Drinking Water Quality, issued by Health Canada in March in consultation with every province and territory, also include no minimum standards for cryptosporidium or any other protozoa. A drinking water advisory is issued for North Battleford after tests find bacteria in the city's water distribution system. Boil water advisory is lifted. Physician contacts medical health officer about a case of cryptosporidiosis. Medical health officer receives notification of two additional cases.
Health officer meets with city officials about the outbreak and notifies provincial authorities.
Seven more cases are confirmed. Boil water advisory issued. Two more cases confirmed. Boil water advisory upgraded to an order after health officer learns there was a problem at the water treatment plant following the maintenance in March. First death in which parasite is found in stool.