Transferring bulk water between Canada and the United States: More than a century of transboundary inter-local water supplies

► This article introduces the concept of transboundary inter-localwater supplies. ► It documents their spatialities, origins, modes of governance, and characteristics. ► Borderland communities engage the international realm with innovative solutions. ► I argue that these transfers are scale dependent. ► These water agreements are effective in providing freshwater to border communities.