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laundry drum systems are similar to movable drain systems, with the addition of a surge tank to accommodate large outflows of water into the system. note that this is not a storage tank, it is just there to allow the irrigation/emitters time to catch up with water supply flowing into the system. washing machine discharge flows into a tank, usually a 55-gallon plastic drum located just outside the house. from there it is distributed in the landscape by means of a hose, which is periodically moved to different irrigation locations in the yard (mulch basins). this is a great system for renters since it can be installed with little or no permanent modification to the house or grounds. it is a very simple and inexpensive system but it requires a fair amount of dedication to move the hose after every load or two. |