As my mind is always turning, as I watched a sprinkler that was watering new grass near my trout pond, I realized another way to keep the warming rate of the pond water down or to halt it. Seems to me if one mounted a sprinkler in the center of the pond with a continuous mist or spray -- along with evaporation (which causes cooling) --the surface water would have a hard time warming up in the hot sun. Considering the water going to the sprinkler is about 52 degrees from my outside faucet that would seem to aid in the reduction of warming too.

Maybe something for someone to consider as a saftey net during excessively hot weather for marginal small trout ponds?

I realize surface aerators in trout ponds can actually warm the water by exposing it to the higher temps but my thinking is with the finer mist or stream evaporation would actually induce cooling or at least keep warming at bay.

Thoughts? How about it engineers?

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.