Linked from
The 20 pages that link to Indus Waters Treaty, each with the reason it gives.
Indus RiverRelated: It allocates river waters that supply irrigation and other uses across borders.
Chenab RiverRelated: It assigns the Chenab to Pakistan subject to specified Indian uses.
Jhelum RiverRelated: It allocates the Jhelum’s waters for use by both countries.
Shyok RiverRelated: The Shyok is part of the Indus basin covered by the treaty's framework.
SutlejRelated: It assigns the Sutlej and the other eastern rivers primarily to India.