In Developing Countries
As of 2006, waterborne diseases are estimated to have caused 1.8 million deaths each year. These deaths are attributable to inadequate public sanitation systems and in these cases, proper sewerage (or other options as small-scale wastewater treatment) need to be installed.
Appropriate technology options in water treatment include both community-scale and household-scale point-of-use (POU) designs. Military surplus water treatment units like the ERDLator are still seen in developing countries. Newer military style Reverse Osmosis Water Purification Units (ROWPU) are portable, self-contained water treatment plants are becoming more available for public use.
In order for the decrease of waterborne diseases to have long term effects, water treatment programs implemented by research and development groups in developing countries must be sustainable by their citizens. This can ensure the efficiency of such programs after the departure of the research team as monitoring is difficult because of the remoteness of many locations.
Read more about this topic: Water Technology
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