(NewsNation) — Heavy rains on Friday caused a flood emergency in Central Texas, which led to reports of between 23 to 25 missing girls at Camp Mystic and 24 fatalities in the state overall.

Texas Lt. Gov. Dan Patrick said the families whose daughters are unaccounted for have been notified. Also, parents who have not been contacted by the camp should know their daughters are safe.

“We will do everything humanly possible 24/7, looking in every tree and turning over every rock, to find your daughter or son,” he said. “The 500 people in the field are looking for your daughter.”

What is Camp Mystic?

Camp Mystic is an all-girls camp among many summer camps in the area next to the Guadalupe River.

The camp is operated privately for Christian girls and was established in 1926.

What happened at Camp Mystic?

The camp was evacuated overnight after the area was hit with up to 10 inches of rain, but some of the campers were left behind.

Several of the cabins were reportedly flooded, while others washed away. The roads surrounding the cabins were washed out.

The camp told Patrick it has no power, no water, and no Wi-Fi. The highway being washed away made it harder for help to arrive quickly.

How is the state responding to Camp Mystic?

Nearly 20 helicopters and 400 to 500 rescue workers are taking part in the search-and-rescue mission in the area.

Authorities say some individuals have already been rescued from trees, but no information was given on whether these were the missing girls or others in need of rescue.

Officials noted they’ve found 13 bodies during their search.

The Kerr County Sheriff’s Office says specific information about the confirmed fatalities won’t be released until the next of kin are notified.