Name two alternative arrangements for sewage disposal where there is no sewerage system.

two alternative arrangements for sewage disposal where there is no sewerage system are :

i) Low cost onsite sewage disposal system like a septic tank.

ii) Hygienic on-site human waste sewage disposal technology is also good as these toilets do not require scavenging. Excreta from toilet seats directly flow to a nearby biogas plant through cover drains.