Floodwater Release Bulletin

At 2:10 PM on Sunday, May 25: Grand Lake elevation was 743.59 feet. One (1) main spillway was open at Pensacola Dam, discharging 535 cubic feet per second (cfs) of water. Six (6) units were online at the Pensacola Dam powerhouse, releasing 12,769 cfs of water through generation. Releases through floodgates and generation totaled 13,304 […]

GRDA Issuing E. coli advisory for areas of Grand, Hudson lakes and Illinois River

Due to elevated levels of E. coli, resulting from recent heavy rains and water flows, the Grand River Dam Authority is issuing an advisory for several areas of the waters under its control. On Friday, May 23, water samples collected from the following lake and Illinois River areas confirmed the presence of high levels of […]

Floodwater Release Bulletin

At 6:30 PM on Friday, May 23: Grand Lake elevation was 744.16 feet. One (1) main spillway was open at Pensacola Dam, discharging 7,134 cubic feet per second (cfs) of water. Six (6) units were online at the Pensacola Dam powerhouse, releasing 12,242 cfs of water through generation. Releases through floodgates and generation totaled 19,376 […]

GRDA Police shares information, safety tips about carbon monoxide and “station wagon” effect

With Memorial Day Weekend and the summer boating season rapidly approaching, the Grand River Dam Authority Police Department is once again sharing information about carbon monoxide (CO), the “station wagon” effect and the possible dangers it can present to boaters. The station wagon effect can occur when fumes from a boat’s exhaust travel back into […]

GRDA Police offer safe boating, floating reminders ahead of Memorial Day Weekend

Looking forward to Memorial Day Weekend and the busy summer boating and floating season on the water? If so, the Grand River Dam Authority Police Department wants to remind you of some important information that can help promote a safe time on the water. “We know thousands of people are planning to visit our waters […]

NOTICE OF PUBLIC MEETING GREEN BRIER RESORT POA

The Grand River Dam Authority (GRDA) will hold a public meeting on Tuesday, June 3, 2025 at 9:30 AM regarding the commercial application for Green Brier Resort POA. The meeting will be held at GRDA’s Ecosystems & Education Center, 420 E Highway 28, Langley, OK 74350. The purpose of this meeting is to obtain public […]

At 2:10 PM on Thursday, May 8: Grand Lake elevation was 744.14 feet. No floodgates were open at Pensacola Dam. Six (6) units were online at the Pensacola Dam powerhouse, releasing 13,334 cfs of water through generation. Inflows into Grand Lake totaled 7,347 cfs. Lake Hudson elevation was 623.44 feet. No floodgates were open at […]

Floodwater Release Bulletin

At 1:45 PM on Wednesday, May 7: Grand Lake elevation was 744.34 feet. At the direction of the United States Army Corps of Engineers, two (2) east spillway gates were open at Pensacola Dam, discharging 152 cubic feet per second (cfs) of water. Six (6) units were online at the Pensacola Dam powerhouse, releasing 13,108 […]

Floodwater Release Bulletin

At 9:45 AM on Wednesday, May 7: Grand Lake elevation was 744.41 feet. At the direction of the United States Army Corps of Engineers, two (2) east spillway gates were open at Pensacola Dam, discharging 310 cubic feet per second (cfs) of water. Six (6) units were online at the Pensacola Dam powerhouse, releasing 13,221 […]

GRDA Police: Safety reminders for boating on elevated lake levels

With recent heavy rains across Oklahoma and in the Grand River watersheds, the Grand River Dam Authority Police Department is sharing some important safety tips for those who will be visiting Grand Lake and Lake Hudson in the coming days. Although lakes are expected to return to more normal elevations soon, these are important tips […]