About 82 homes were without service after a water main break was reported at the intersection of Wanaao Rd. and Wanaao Pl. in Kailua around 1:30 p.m. Tuesday, the Board of Water Supply said.
The 8-inch main was originally installed in 1960, the BWS said.
A water wagon was set up at 768 Wanaao Rd.
Service was expected to be restored by midnight and repairs to the road completed by 4 a.m.
Board of Water Supply crews also finished repairs on a 12-inch water main break in Waipahu Tuesday night.
The main broke at about 4:30 a.m. Tuesday and service was restored to about 18 customers by 6 p.m.
Road repairs continued to just before midnight on Waipahu Street between Malakeke Street and Waipahu Depot Road.
The main was originally installed in 1927.