Preprint Article Version 1 This version is not peer-reviewed

Applicability of Commonly Accepted Factors on preventing the Pit Latrines Correlated Ground Water Contamination in Kalpitiya Peninsula, Sri Lanka

Version 1 : Received: 2 February 2018 / Approved: 2 February 2018 / Online: 2 February 2018 (09:06:10 CET)

How to cite: Piyadasa, R.U.; Herath, H.S.D. Applicability of Commonly Accepted Factors on preventing the Pit Latrines Correlated Ground Water Contamination in Kalpitiya Peninsula, Sri Lanka. Preprints 2018, 2018020016 (doi: 10.20944/preprints201802.0016.v1). Piyadasa, R.U.; Herath, H.S.D. Applicability of Commonly Accepted Factors on preventing the Pit Latrines Correlated Ground Water Contamination in Kalpitiya Peninsula, Sri Lanka. Preprints 2018, 2018020016 (doi: 10.20944/preprints201802.0016.v1).

Abstract

The coastal dry zone areas of Sri Lanka mostly rely on ground water as the potable drinking water source because pipe born water is rarely provided. Most of the domestic units construct dug wells adjacent to houses where the ground water is exposed to fecal contamination due to pit – latrines. There available standards and commonly accepted factors regulating the construction of ground water extraction sources yet there is lack of evidence whether following them effectively prevent ground water fecal contamination. This research focus on applicability of commonly accepted factors on preventing the pit latrines correlated ground water contamination, taking twenty (20) sampling locations of Kalpitiya Peninsula of Sri Lanka as the case study area. The ground water was tested for Total coliform bacteria at 37 °C and E.Coil at 44 °C to identify the water quality level related to fecal contamination. The depth of water table, gap of infiltration layer, depth of latrine pit and distance between dug well and latrine pit were identified as the most commonly considered factors. Accordingly, case specific and area specific reasons apart from the ‘commonly accepted factors’ are highly influencing the pit latrines correlated ground water contamination in Kalpitiya Peninsula, Sri Lanka.

Subject Areas

ground water; pit latrines; fecal contamination; common factors

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