(Source: City of Lethbridge) March 12 UPDATE at 10:15 a.m. The conditions of the river are changing rapidly and we are now in a water emergency and urging residents to reduce water usage to essential use only. The quick melt is causing high turbidity in the river making the water extremely difficult to treat at the Water Treatment Plant. Production at the Water Treatment Plant has been halted and we are unable to restore our storage levels. Residents…