The Middle Arkansas Region encompasses 5,173 square miles in northeastern Oklahoma. The region is supplied by three major rivers: the Arkansas, Verdigris, and Caney.

The region accounts for 12% of the state’s total water demand. Surface water supplies are used to meet about 95% of the region’s demand. The largest demand sectors are Municipal and Industrial (69%), Thermoelectric Power (18%), and Crop Irrigation (9%).

By 2060, this region is projected to have a total demand of 304,290 acre-feet per year (AFY), an increase of approximately 75,630 AFY (33%) from 2010.