Riparianism

Origin

From en + -riparian + ism.

Full definition of riparianism

Noun

1. (chiefly US, law) A doctrine of riparian rights, based on the principle that the owners of riparian land had the right to remove reasonable amounts of water from the river, but others did not.
• 1993, Mary Catherine Miller, Flooding the Courtrooms: Law and Water in the Far West, The result was a string of decisions that further established riparianism as a rule of law.