History of water supply, sanitation and drainage.
Wastewater Reuse Activities
Classic and early modern Mesoamerica
Sewage farms for disposal and irrigation
Bristol, Liverpool, London and other cities, UK
The Classic Maya used water filters, made from limestone that was formed into a cylinder, within their households and had advanced below surface aqueducts and flushing lavatories. The water filters that they created are alarmingly similar to the ceramic filters that we use today.