News

Notice to the Public

Please take notice that The Grand River Dam Authority has received an application for a private breakwater requiring directional bearing. Such directional bearing relates to an application for a breakwater which if approved shall extend 143 feet across a...

Update on Ketchum Cove BGA bloom, GRDA continues monitoring waters

The Grand River Dam Authority is reporting that its most recent monitoring of a confirmed blue green algae (BGA) bloom in Grand Lake’s Ketchum Cove shows that the bloom, present from near the Hammerhead Marina boat ramp to near Colony Cove, continues to cycle, with...

Update on Ketchum Cove BGA bloom, GRDA continues monitoring waters

The Grand River Dam Authority is reporting that its most recent monitoring of a confirmed blue green algae (BGA) bloom in Grand Lake’s Ketchum Cove shows that the bloom, present from near the Hammerhead Marina boat ramp to near Colony Cove, has decreased both in size...

GRDA confirms blue green algae bloom in Grand Lake’s Ketchum Cove

The Grand River Dam Authority is reporting the presence of a blue green algae (BGA) bloom in the Ketchum Cove area of Grand Lake. Water quality testing performed recently by the GRDA Ecosystems and Watershed Management Department confirmed the bloom. On Wednesday...

GRDA Police share special July 4 rules for Duck Creek

For many lake enthusiasts, the July 4th holiday marks the high point of the summer season on Oklahoma’s water playgrounds. The Grand River Dam Authority’s Grand and Hudson lakes are certainly no exception, as large crowds are expected to hit the water for boating,...

GRDA Police offer safe boating, floating tips for July 4 holiday

As water enthusiasts across the region gear up for the July 4 holiday on Grand Lake, Lake Hudson and the scenic Illinois River, the Grand River Dam Authority Police Department wants to help them stay safe during their visit. Of course, boating, and floating, safe,...

Floodwater Release Bulletin

At 3 pm on Thursday, June 9: Grand Lake elevation was 745.01 feet. Six (6) units were online at the Pensacola Dam powerhouse, releasing 12,725 cfs of water through generation. Releases through floodgates and generation totaled 12,725 cfs. Inflows into Grand Lake...

Floodwater Release Bulletin

At noon on Thursday, June 9: Grand Lake elevation was 745.05 feet. At the direction of the United States Army Corps of Engineers, four (4) east spillway gates were open at Pensacola Dam, discharging 4,449 cubic feet per second (cfs) of water. Six (6) units were online...

GRDA Police announce temporary closure of Wolf Creek

The Grand River Dam Authority Police Department is announcing that it will be closing portions of the Wolf Creek arm of Grand Lake, as well as the Wolf Creek boat ramp to help facilitate the 10th annual Thunder on Wolf Creek racing event, Friday June 10th through...

GRDA’s Riverology 101 returning in July

Summer workshop for area teachers, environmental educators … registration period extended. The Grand River Dam Authority’s unique summer workshop for area teachers and environmental educators is set to return in 2022. The workshop – Riverology 101 – brings together a...

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The GRDA is reporting the presence of a blue green algae (BGA) bloom in the Ketchum Cove area of Grand Lake. Water quality testing performed recently by the GRDA Ecosystems and Watershed Management Department confirmed the bloom.
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