On May 16, 2013, the region issued an Administrative Order on Consent for the Confederated Tribes of Warm Springs Reservation of Oregon, Wastewater Treatment Plant. The Confederated Tribes of Warm Springs Reservation of Oregon is a federally recognized Indian Tribe. The tribe owns and operates a wastewater treatment plant located in Warm Springs, Oregon. The plant has had numerous violations of its NPDES permit effluent limits. The tribe has agreed to an administrative order which requires corrective actions that can bring the plant into compliance with its NPDES permit.