Tartak Lock - thirteenth lock on the Augustow Canal (from the Biebrza). It was not planned in the original draft written by Ignatius Prądzyński. Its construction was necessary because the state of the waters piled high water destroyed hydro-technical equipment.

Built between 1837 - 1838 by Eng. Jakub Szeffer.

• Location: 74.4 km channel
• Level difference: 1.72 m
• Length: 45.35 m
• Width: 6.08 m
• Gates: Wooden
• Year built: 1837 - 1838
• Construction Manager: Jakub Szeffer

Reference