From Trumbull County Sanitary Engineers:

Trumbull County Sanitary Engineers, Vienna, Ohio office
***BOIL ALERT***
Due to a water main break in Brookfield, Ohio Trumbull County Water customers who live in the following areas are advised to boil water used for consumption until further notice:
State Route 7 north of Warren Sharon Rd including
Richard Drive
David Lane
Wyngate Manor Mobile Home Park