About 250 homes were affected by a water main break in Bloomfield on Monday.
A temperatures dipped into extreme lows, several water mains broke in different parts of the state.
In Bloomfield, a 12-inch water main broke from 1969 on Simsbury Road and affected customers on Simsbury Road from Kenmore Road northerly to the vicinity of Schuyler Lane; Kenmore Road from Simsbury Road to the cul-de-sac; and Cold Springs Road from Simsbury Road to the cul-de-sac.
Repair crews expected it to take between 8 and 10 hours to fix. The roads had been re-opened and water was restored by Tuesday mornng.