Ostromecko Leszek Bokiej Mineral Water produces mineral water and flavoured beverages. It is located in the town of Ostromecko near Bydgoszcz and is one of the largest bottling plants in the Kujawsko-Pomorskie Region. The water of Ostomecko was first mentioned in 1570. In 1894 they started to extract water from a source located in the strict Mariański Forest natural reserve. The company offers medium-mineralised sparkling and natural water extracted from “Mary’s Source” in Ostromecko and sold in glass and PET bottles. The mineral water of Ostromecko is characterised by its exceptional taste. It is a high quality product with a long tradition and rich history.