Pennsylvania American Water today issued a boil water advisory for all customers in its Norristown water system. Approximately 33,500 customers are affected. From the notice:
Pennsylvania American Water experienced a drop in positive water pressure due to a water main break this morning. As a result, there is an increased chance that the water might contain disease-causing organisms. Crews have isolated the main break, and water pressure is currently being restored to all customers.
This notice applies to all Pennsylvania American Water customers in its Norristown system, which includes the boroughs of Norristown and Bridgeport and portions of Whitemarsh, Plymouth, West Norriton, East Norriton, Upper Merion, Lower Providence, Whitpain, Worcester, and Perkiomen townships. You can view the map here.
Details on what to do during a boil water advisory go here.