Some water customers in Audrain County are under a boil advisory until further notice.

Public Water Supply District Two was investigating a large leak in its system Sunday evening. As of 8 p.m., the problem had not been located.

Customers in the southern and southeastern parts of the district were being told to boil their water.

The boil advisory affects customers:

- south of Highway 22

- west of County Road 951

- along Routes FF, M, and D