I know the amount of Goodwill's in the USA make it really easy to go to their drive thru and easily drop off your old stuff, but I recommend going the extra mile and looking up a better charity farther away.
It takes us twice as long, but my partner and I recently switched to a super gay thrift that also does free STD testing and we have no regrets.
The only kind of summer camp that should ever get hit with a flash flood.