People in Bardney, Fiskerton, Cherry Willingham and the surrounding area are currently without a reliable water supply.
Two schools - Fiskerton Primary and Cherry Willingham Primary - have so far confirmed they're to close today as they don't have water.
You can see all the latest school closures here.
Anglian Water have apologised - after a water main burst.
They're hoping to have it fixed by 2pm this afternoon.