TEEX offers a free online Swiftwater Awareness Course. From the Course Description:
The Swiftwater Awareness Online course provides participants with the knowledge to keep themselves and others safe when they encounter a water incident, including moving water.
The course is appropriate for any emergency responder that could find themselves within 10 feet of the water’s edge during a swiftwater or flood incident. Swiftwater is defined by the National Fire Protection Association (NFPA) as water moving at a rate that exceeds one knot or approximately 1.15 miles per hour (mph). By comparison, the average walking pace is 3.3 mph.
Find the Course at https://teex.org/class/TNG80A/