Human remains were found Monday on a beach near Lake Mead in Nevada, the National Park Service said.
The suspected age of the remains, which were found around 4:30 p.m. on Swim Beach at Lake Mead National Recreation Area, were not released in a statement.
The Clark County Medical Examiner’s Office, which will determine the cause of death, did not immediately respond to a request for comment.
It wasn’t clear whether low water levels at Lake Mead, the country’s largest reservoir, played a role in the discovery.
The water levels at the lake, which straddles the Nevada and Arizona state lines, have reached an all-time low this year.
Lake Mead is at its lowest level since 1937 — when it was first filled, NASA said recently when it released satellite images showing the change. Last week, the reservoir was only at 27 percent of capacity.
As water levels have plummeted amid a drought gripping the western United States and climate change, a body was found in a barrel in May after being exposed, officials said.
Those remains are believed to date from the 1970s or 1980s, Las Vegas police said, and the person was fatally shot.
Monday’s discovery marks the second time human remains have been found at Lake Mead this month.
On July 6, the body of a woman was found near the Boulder Islands, where a woman went missing after falling off a jet ski on June 30, Lake Mead officials said at the time.
The Clark County medical examiner later confirmed it was the woman who went missing, Las Vegas NBC affiliate KSNV reported.
Lake Mead was created by the construction of the Hoover Dam, which was completed in 1935.