Irrigation district

A cooperative, self-governing public corporation set up as a subdivision of the State government, with definite geographic boundaries, organized and having taxing power to obtain and distribute water for irrigation of lands within the district; created under the authority of a State legislature with the consent of a designated fraction of the landowners or citizens.


Source: Corrosion-Doctors.org

Wikipedia:  https://en.wikipedia.org/wiki/Irrigation_district