Westmoreland County Water Authority has issued a boil water advisory for the north part of Westmoreland County north of route 30. 
Westmoreland County Water Authority has issued a boil water advisory for the north part of Westmoreland County north of route 30 . Sewickley Twp does not seem to be involved in this alert but if you are concerned The authority asks all affected customers to boil the water for at least one minute, then let it cool before using, or use bottled water.
Any water used for drinking, making ice, brushing teeth, washing dishes and food preparation should be boiled.
Please see link for more info:
http://triblive.com/news/adminpage/4943736-74/customers-township-affected#axzz2ihFO6XAw
Address/Location
Sewickley Township Emergency Management Agency
2288 Mars Hill Rd
Irwin, PA 15642
Contact
Emergency: 9-1-1
Non-emergencies: 724-446-7202
TEXT-A-TIP - Text TIP SEWICKLEYTWP followed by your message, to 888777