I don’t like to let them drink from water like at this waterfall as I’m unsure of the source/condition. I’ve got a saying called BGross water for Dogs not to drink or have interaction with - Blue Green Road Orange Stagnant Stinky water as these signs can all mean bacteria/hazardous contaminates in the water. Some can actually be fatal quickly! In fact I’m leery of all water I don’t know the source or condition. This water while appearing clear is coming off these clay/orange rocks which can mean amongst other things there’s an iron/oxidizing bacteria which while it’s said this is usually not unsafe for aquatic life etc…I just don’t want to take any chances. You know what the saying an ounce of prevention is worth a pound of cure! Checkout My Graphic Below About BGROSS Water