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Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina
The water supply of the rural coastal areas in Sri Lanka is provided by private open dug wells, most of which have been flooded by s
In peri-urban Monrovia, contaminated hand-dug wells were contributing to cholera outbreaks.