With the blow of a whistle, they were released into the swift moving water.
"The responders in the class learn quickly that they cannot beat the water so we teach them to work with the water," says Mark Clippinger.
Mark Clippinger is going on day three of training search and rescue responders from all over central and southwest Arkansas. The responders go through a number of lifelike situations in swift water rescue.
"There are not that many of us trained in the state for it on flood waters and stuff like that and its really important for us in our counties" says Clark County responder James Tate.
But instructor Mike says the most important thing is making sure he responders can take care of themselves.
"We got to teach these guys how to manage themselves how to protect themselves first they cant go out and rescue victims or assist people who are in trouble if they cant help themselves" says Clippinger.
But with every grueling task the responders better prepare themselves for the day when these waters are no longer a training ground.