Reminder: Due to ongoing maintenance in the Pensacola Dam powerhouse, GRDA is not offering free tours of the dam during Summer 2022. We appreciate the public’s continued cooperation.

Board Meetings

Febraury 2023 Board Meeting

The February board meeting will be held on Wednesday the 8th at 10:00 a.m. at the GRDA Engineering & Technology Center in Tulsa, Ok.


Notice To The Public

Please take notice that The Grand River Dam Authority has received an application for a private dock requiring directional bearing. Such directional bearing relates to a dock application for a private dock which if approved...

Lakes & Rivers

LAKES - The Grand River Dam Authority is an agency of the state of Oklahoma, created by the Oklahoma Legislature in 1935 to be a “conservation and reclamation district for the waters of the Grand River.”

GRDA manages over 70,000 surface acres of water in Northeast Oklahoma.

Pensacola Lake Level
0.47 ft ABOVE normal

Hudson Lake Level
1.11 ft ABOVE normal

SCENIC RIVERS - On July 1, 2016, the Grand River Dam Authority absorbed the mission and responsibilities of the Oklahoma Scenic Rivers Commission (OSRC). That mission is to protect, enhance, and preserve the outstanding aesthetic, historic, archaeological and scientific features of the Illinois River and its tributaries (Lee Creek, Little Lee Creek, Barren Fork Creek, Flint Creek, and the Upper Mountain Fork).

Our Mission Statement

We deliver affordable, reliable ELECTRICITY, with a focus on EFFICIENCY and a commitment to ENVIRONMENTAL STEWARDSHIP.

We are dedicated to ECONOMIC DEVELOPMENT, providing resources and supporting economic growth.

Our EMPLOYEES are our greatest asset in meeting our mission to be an Oklahoma Agency of Excellence.


Vendor Bid information – If you are interested in providing a bid to GRDA on any of the products or services listed in our bid opportunities, follow the instructions in the bid and return it to the designated GRDA contact. If you are looking for a specific bid, you can search for it by typing the bid number into the search box.

Bid Opportunities
Vendor Registration
Tax Exempt Certificate with Vendor Letter

GRDA Social Media

An aerial view of the brand-new Pensacola Dam – Oklahoma's first hydroelectric facility – taken sometime late in the summer of 1940. Below the dam, you can still see evidence of much of the dirt work done during construction. #TBT #ThrowbackThursday #PublicPower #GRDA #hydropower grda_ok photo

Careers at GRDA

  • GRDA Police: 918-256-0911
Contact A GRDA Facility:
  • 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. 16th Street, Tulsa, OK 74128
  • Grand River Energy Center: 918-256-5545;8142 Hwy 412B Chouteau, OK 74337;  Hwy 412/PO Box 609, Chouteau, OK 74337
  • Oklahoma City Office: 405-297-9963, 201 NW 63rd, Suite 305, Oklahoma City, OK 73116 
  • Scenic Rivers Operations: 918-456-3251, 15971 OK-10, Tahlequah, OK 74464
  • Transmission: 918-825-0280, 635 E Hwy 69A, Pryor, OK 74361