Lowtech Graph lists low-tech options for every need of a home. Here you can compare them, find tutorials to build them, and link them together into a circular system. Why low-tech?

Collection

What the toilet itself is, and what it does with what it receives. This is the choice that decides whether the house needs a sewer, a tank or neither. The options differ in whether water carries the waste away, whether urine is kept separate, and what the household then has to handle.

Solutions

• Composting toilet (dry): A toilet with no flush: a scoop of sawdust or similar material goes in after each use, and the contents are later composted. It uses no water at all and produce
• Low-flush toilet: An ordinary flushing toilet designed to use much less water per flush than a standard cistern. It works like any toilet, so nothing changes for the household. I
• Urine-diverting dry toilet (UDDT): A dry toilet that separates urine at the front from solids at the back. Keeping the two apart cuts smells and moisture, and each is dealt with on its own. It us
• Flush toilet (standard cistern): The ordinary toilet: a cistern of drinking water that is flushed to carry waste into the drain. It is familiar and needs nothing new, but it uses clean drinking
• Living toilet (urine-diverting, larvae-processed): A dry toilet that separates urine and lets fly larvae eat the solids inside its own bin. In days rather than months, the larvae turn the waste into a fine, odou