 The Brewerie at Union Station is a microbrewery and restaurant — officially categorized as a " brewpub " by the Brewers Association — that operates out of Union Station . The brewpub makes use of a portion of the station 's ground floor and its octagonal rotunda . In 2013 , the Brewerie produced approximately 500 barrels of beer ( 15 @,@ 500 gal ; 59 @,@ 000 l ) from its 3 @.@ 5 @-@ barrel ( 109 gal ; 410 l ) Price @-@ <unk> brewing system . 
