Robert Knox was able to observe in the latter part of the seventeenth century, that the Sinhalese were an extremely clean people.Sanitary facilities in Sri Lanka differed by the status of social groups. The surviving proof of porcelain product, royal residence buildings, showers and delight gardens utilized by the royalty.The remains of the major monastic complexes underground terracotta pipes, drains, toilets and septic tanks attached to them indicate that Buddhist priests in major monasteries enjoyed a relatively high level of sanitary facilities.
The techniques
of the development of toilets created more than a few phases. An exceptionally
created stage in this procedure is noticeable in the developments at the
Abhayagiri complex in Anuradhapura and Alahana Pirivena hospital facility
complex Polonnaruwa. At both monasteries
fluid going through urinals was passed into pits along terracotta
channels. In the urinary pits at Abhayagiri, large bottomless clay pots of
diminishing size have been put one over the other. There are signs that these
pots contained sand, lime and charcoal through which urine filtered down to the
earth in a purified form. There had been seven pots in specific pits yet the
number had been less in some others. The pots had been vertically settled
together with a mixture of cement and clay. Urine has been diverted from the
toilets through terracotta channels into a septic pit.
