Made with real sugar. Caffeine free since 1919. Rich in History: As Prohibition was established in 1919, Green River soda was introduced to the world. The lime based soda with its distinctive vivid green color was an immediate hit. Today, we celebrate Green River's rich history! GreenRiverSoda.com. Chicago original. witbeveragecompany.com. Recycleable. May not be recyclable in your area. 0% juice.