No, it is not safe to swim in a pool with tadpoles. You won't want to do this for a few reasons. Frogs can carry diseases that may harm your family if they come into contact with the water. The chlorine in the pool will usually kill off these contaminants, but if the level is low and frogs get into the pool, there could be some serious health concerns. It's best for pool owners to keep them out of the pool altogether to be on the safe side.