Mueller constructed the hydrants, which were delivered by Wolseley to the work site around spring 2014, according to the document delivered by the office of the city solicitor.
As the city investigated the source, residents in Aspen Ridge were required to use bottled water, water trucks, and temporary water lines.
“The City says that Mueller and/or Wolseley knew, or ought to have known, about the potential for the contamination substance to form in Mueller hydrants, and failed to warn the City of this dangerous condition,” the statement reads.
READ MORE: Source of mystery contaminant unknown as Rosewood water advisory lifted The city contends the companies should have known the hydrants would be connected to its potable water system.
None of the allegations have been proven in court.
Neither of the defendants immediately responded to a request for an interview with Global News.
The city’s losses and damages are said to include the following: Costs of inspecting the water system; Cleaning up the contamination; Setting up temporary water lines; Providing water; Retaining experts to investigate the source of the contamination; and Identifying the substances.
READ MORE: Stantec Consulting recommended to remediate contaminated water lines After the hydrocarbons surfaced, Saskatchewan’s Water Security Agency required the city to inspect nearby hydrants and either remove and replace the affected infrastructure or bring in an engineering consultant.
In May, a “do not use” order was issued in Saskatoon’s Rosewood area after contaminated Mueller fire hydrants were discovered.
The advisory resulted in temporary water lines being installed at the neighbourhood Costco.