Heavy rainfall across the state has swept high levels of bacteria into some of Oklahoma's favorite recreational waters.

According to the Grand River Dam Authority, on Friday, May 23, water samples collected from various lake and Illinois River areas.

The Grand River Dam Authority has issued an advisory ahead of Memorial Day weekend for elevated levels of E. coli in the area ...

GROVE, Okla. — An E. Coli advisory has been sent out to parts of Grand and Hudson lakes and the Illinois River. Oklahoma regulations state water must not exceed 235/100 milliliters of E. Coli strains ...

The Pensacola Dam, which forms Grand Lake, is operated by the state-owned GRDA under license from the Federal Energy Regulatory Commission. The current license was scheduled to expire on March 31 ...

UPDATE (7/6/24) — The Grand River Dam Authority (GRDA) confirmed a body was recovered from the waters of Grand Lake. The GRDA said the body of 39-year-old Levi Gibson, of Afton was recovered ...

The body of a male drowning victim was recovered in Grand Lake on Saturday evening, authorities said. The Grand River Dam Authority Police Department recovered the body after receiving a call at 6 ...

Due to elevated levels of E. coli from recent heavy rains and water flows, the Grand River Dam Authority (GRDA) issued an E.