Arletta Scott Williams

Theresa Kail-Smith quit her post on the board in 2013 because she said she felt “blindsided” by actions taken by the authority that she said she wasn’t informed about until after the fact. She and labor leader Darrin Kelly have been nominated to fill vacant seats on the board.

The Allegheny County Sanitary Authority, ALCOSAN, expects to design the expansion of its treatment plant this spring, with construction beginning in late…