The district encompasses land that drains into a stretch of the Platte River from south of Columbus to Ashland. Approximately 70 miles of the river flow directly through or border the district. In addition to the Platte, other major waterways in the district include Wahoo Creek, Skull Creek, Shell Creek, Rawhide Creek, Sand Creek, Duck Creek, Bone Creek, Clear Creek, Otoe Creek, Silver Creek, Johnson Creek, Deer Creek, and Wilson Creek.
The Lower Platte North NRD boundary covers parts of seven counties in east-central Nebraska. There are 28 communities and approximately 1,031,000 acres of land within the district boundaries. The district’s population is roughly 60,000, almost equally divided between urban and rural residents.