July 2017 Board Meeting

The July board meeting will be held on Wednesday the 12th at 10:00 a.m. in the Vinita Headquarters Board Room.

GRDA expanding blue green algae advisory

Langley, OK – The Grand River Dam Authority Ecosystems Management Department is reporting that its latest water testing has confirmed the presence of blue green algae (BGA) in an area of Grand Lake just south of the Highway 85A bridge over Horse Creek and extending near the shoreline of Grand Lake State Park at Bernice. Due to these results, GRDA is advising the public to avoid bodily contact with water in this area. The BGA advisory, issued last Friday for the Fly Creek … More

Lending an important hand during the summer

Every summer, the Grand River Dam Authority facilities become the backdrop for valuable work experience as summer employees join the temporary workforce to supply an important helping hand. They arrive from several different backgrounds, with several different career goals and then spend their summer days doing several different types of jobs. Some are familiar faces, some are brand new but all become part of Team GRDA, at least for a few months. They mow the grass during a season when there is much of that to do. … More

GRDA reports BGA level in Fly Creek arm of Grand remains high

Langley – The Grand River Dam Authority is reporting that the most recent results from water sample testing in the Fly Creek arm of Grand Lake have shown that the level of blue green algae (BGA) remains high in that area. Those results are from water samples gathered by the GRDA Ecosystems Management Department on Saturday morning, June 17. GRDA first reported the presence of BGA with microcystins levels greater than 100 micrograms per liter, on Friday June 16. BGA at densities more than 100,000 cells per … More

Pensacola Dam

Pensacola Dam

The first hydroelectric facility constructed in Oklahoma. GRDA built the dam between December 30, 1938, and March 21, … more...

GRDA Coal Fired Complex

Grand River Energy Center

GRDA’s thermal-generation facility transformed the Authority from a small, northeastern Oklahoma hydroelectricity … more...

Robert S. Kerr Dam

Robert S. Kerr Dam

Sometimes referred to as the Markham Ferry Project, this is the second hydroelectric facility constructed by GRDA. … more...