MADISON (WKOW) — Madison Water Utility reports four water main breaks in the city as of mid-morning Wednesday.

Around 9:30 a.m. workers were trying to find where the water main broke near Monona Drive.

Working to locate a broken water main near Monona Drive. Three breaks so far today..#polarvortex #subzero #Wisconsin pic.twitter.com/f8LcvjFEmQ — Madison Water (@MadWaterUtility) January 30, 2019

Officials believe the extreme cold conditions are to blame.