Inappropriate sanitation facilities

Visualization of narrower problems
Inadequate sanitation infrastructure
Poor sewerage systems
Undeveloped sanitation services
Improper sewage disposal
Overloaded sewage systems
Insanitary drainage facilities
Unsanitary toilet facilities
As an indication, the market for toilet cleaners in the UK in 1986 was £88 million.

50% of the sewage of Rio de Janiero receives no treatment. This is not unusual, even in modern cities.

Modern sewage systems are excessively expensive means of taking household wastes and disposing of them in such a way as to prevent nutrients from returning to the soil.
(D) Detailed problems