Imperial College London
Alternate

Professor Michael Templeton

Faculty of Engineering, Department of Civil and Environmental Engineering

Professor of Public Health Engineering
 
 
 
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Contact

 

+44 (0)20 7594 6099m.templeton

 
 
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Assistant

 

Miss Judith Barritt +44 (0)20 7594 5967

 
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Location

 

303Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Hammoud:2018:10.3934/environsci.2018.3.143,
author = {Hammoud, AS and Leung, J and Tripathi, S and Butler, AP and Sule, MN and Templeton, MR},
doi = {10.3934/environsci.2018.3.143},
journal = {AIMS Environmental Science},
pages = {143--153},
title = {The impact of latrine contents and emptying practices on nitrogen contamination of well water in Kathmandu Valley, Nepal},
url = {http://dx.doi.org/10.3934/environsci.2018.3.143},
volume = {5},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Leaching of nitrogen-containing compounds (e.g., ammonia, nitrate) from pit latrines and seepage tanks into groundwater may pose health risks, given that groundwater is a significant source for drinking water in many low-income countries. In this study, three communities within Kathmandu, Nepal (Manohara, Kupondole, and Lokanthali) were visited to investigate the impact of pit latrines on groundwater quality, with a focus on understanding the fate of nitrogen-containing compounds specifically. Well water samples were analyzed over two seasons (wet and dry) for their nitrogen content, dissolved oxygen (DO), chemical oxidation demand (COD), and oxidation-reduction potential (ORP), and samples collected from within the nearby pits were also analyzed to determine nitrogen content and COD. Hand dug wells were found to be more likely receptors of contamination than tube wells, as expected, with inter-well variations related to the relative redox conditions in the wells. Increased pit-emptying frequency was related to lower levels of nitrogen in the latrines and in the nearest wells, suggesting this may be an effective strategy for reducing the risks of groundwater contamination in such settings, all else being equal.
AU  - Hammoud,AS
AU  - Leung,J
AU  - Tripathi,S
AU  - Butler,AP
AU  - Sule,MN
AU  - Templeton,MR
DO  - 10.3934/environsci.2018.3.143
EP  - 153
PY  - 2018///
SN  - 2372-0352
SP  - 143
TI  - The impact of latrine contents and emptying practices on nitrogen contamination of well water in Kathmandu Valley, Nepal
T2  - AIMS Environmental Science
UR  - http://dx.doi.org/10.3934/environsci.2018.3.143
UR  - http://hdl.handle.net/10044/1/60518
VL  - 5
ER  -
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