Update: The water conservation order was lifted Sunday morning.
Pennsylvania American Water issued a mandatory water conservation order on Saturday that is expected to impact 42,000 customers.
The supplier said that an ‘unexpected incident” affecting its West Shore Water Treatment Plant impacts the water system in the Mechanicsburg area as well as Silver Spring Township, Hampden Township, Lower Allen Township, Lemoyne, Wormleysburg, East Pennsboro, New Cumberland, Fairview Township, Shiremanstown, Camp Hill and Newberry Township…