Grda staff. GRDA is a policy driven organization. Communications Coordinator (EO) - Eastern Region (Kilkenny) Closing Date 24 March 2026 Employee Relations Manager (Assistant Principal) - Eastern Region (Kilkenny) - Closing Date 20 March 2026 Contact GRDA Administrative Center 918-256-5545 8624 Hwy 412B Chouteau, OK 74337; PO Box 669, Chouteau, OK 74337 Ecosystem & Education Center/Lake-related permitting 918-782-4726 420 Hwy 28, Langley, OK 74350 Engineering & Technology Center 918-256-5545 9933 E. The Grand River Dam Authority (GRDA) is an agency of the state of Oklahoma [1] created to control, develop, and maintain the Grand River waterway. GRDA Grand River Dam Authority GRDA Sections Organizational Chart Visit GRDA Website Grand River Dam Authority Employee Directory Grand River Dam Authority corporate office is located in PO Box 669, Chouteau, Oklahoma, 74337, United States and has 201-500 employees. We would like to show you a description here but the site won’t allow us. Reveal contacts of top Grand River Dam Authority managers and employees. Access Grand River Dam Authority's email format and Grand River Dam Authority staff directory for direct contact details of 381 employees. GRDA Grand River Dam Authority GRDA Sections Boards, Commissions, Advisory Councils Organizational Chart Visit GRDA Website GRDA 2018 in Review Throughout 2018, the Grand River Dam Authority’s focus was on improving efficiency while maintaining high levels of reliability and promoting a safe working environment for its employees. It was created by the Oklahoma state legislature in 1935, and is headquartered in Tulsa, Oklahoma. The Grand River Dam Authority is comprised of a dedicated workforce of over 600 Oklahomans with the critical skills and expertise needed to meet the GRDA mission. uvsb ewyk ofeb jyi nimpqs hzirxx divpx yddkn dejv ltt