The Northwestern Water and Sewer District will host its annual open house from 3 to 6 p.m., Tuesday, August 13, at district headquarters, 12560 Middleton Pike, Bowling Green.

Free and open to the public, the event will feature:

•Special presentation at 4 p.m. that traces the district’s journey from inception to its current growth and future.

•Guided facility tours where visitors will see the state-of…