  tarentum is a borough in allegheny county in the u.s. state of pennsylvania. it is  northeast of downtown pittsburgh, along the allegheny river. tarentum was an industrial center where plate glass and bottles were manufactured; bricks, lumber, steel and iron novelties, steel billets and sheets, sack and wrapping paper were also produced. the pennsylvania railroad operated a station in tarentum; its rail line ran through the town.{{cite book|last=sipes|first=william b.|title=the pennsylvania railroad: its origin, construction, condition, and connections; embracing historical, descriptive, and statistical notices of cities, towns, vil
Boroughs_in_Allegheny_County,_Pennsylvania Boroughs_in_Pennsylvania Pittsburgh_metropolitan_area Populated_places_established_in_1829