Board of Water Supply crews have completed repairs to the leaking 8-inch water main in Kailua.
The incident was initially reported at about 11 p.m. Tuesday on Mokulua Drive in Lanikai.
BWS officials say about six homes were initially without water.
Police contraflowed the road into Lanikai using the one lane of Mokulua Drive.
Water was restored to all customers at about 10:30 p.m. Wednesday.
All roads reopened at about 2 a.m. Thursday.