UPDATE 8/3/12 @ 9:30 a.m.
CANNONSBURG, Ky. (WSAZ) -- A boil water advisory that cancelled the first day of school in Boyd County has been lifted.

The advisory was issued due to a line replacement by the Cannonsburg Water District.

School and Health Department officials felt is was best to use a Flexible Professional Development Day during the boil advisory.

The advisory is no longer in effect.

The postponement is due to a boil water advisory that was issued for Cannonsburg earlier this week. The advisory is due to a line replacement.

District officials say that in consultation with the Boyd County Health Department they decided to postpone the first day until Monday.

Friday will be considered a Flexible Professional Development day for all certified staff.

According to a press release from the school, the Ponderosa Elementary Open House scheduled for Thursday, August 2 at 6:30 p.m. will go ahead as scheduled.

All customers on the Cannonsburg Water District will need to boil their water until further notice.

The advisory is in place for line replacement.