We had a two room privacy tent. One for the shower and one room for a Thetford Porta Pottie. For showers we used a zodi water pump that came with their instant hot water set. We would heat and mix the water in a 5 gallon bucket then drop the pump in and turn it on. Worked great for us. It took about 2.5 gallons per shower. So in 10 days camping we would use 50 gallons or so. We tried to locate a fresh water source before setting up camp. Out west that did not work well for the lack of water fill areas.