MISSION – Elected leaders of the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) and Indian Health Service (IHS) officials will sign a memorandum of agreement on Monday, Aug. 26 for the tribe’s $44.5 million wastewater treatment project. The ceremonial signing is set for noon at the Nixyáawii Governance Center to celebrate the $38 million IHS has appropriated from its…