There has been plenty of controversy over the routing of the Keystone XL pipeline, and its original routing over the Ogallala Aquifer in western Nebraska's Sand Hills, and plenty of federal oversight. But who has the jurisdiction to oversee planning and provide regulatory oversight, when a pipeline is built over an aquifer within Oklahoma's boundaries? State Impact Oklahoma investigates.
Landowners in Major County who depend on aquifer water say a planned crude oil pipeline threatens the Cimarron Aquifer - their primary water source. Rural homeowners use well water from the aquifer, which also feeds nearby towns and comprises about 87 percent of nearby Enid's permitted water production.