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Constructed wetland for improved wastewater management and increased water use efficiency in resource scarce SAT villages: a case study from Kothapally village, in India

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Relation http://oar.icrisat.org/11699/
https://doi.org/10.1080/15226514.2021.1876627
doi:10.1080/15226514.2021.1876627
 
Title Constructed wetland for improved wastewater management and increased water use efficiency in resource scarce SAT villages: a case study from Kothapally village, in India
 
Creator Datta, A
Singh, H O
Raja, S K
Dixit, S
 
Subject Semi-Arid Tropics
Water Harvesting
Agricultural Research
Water Resources
Water Conservation
 
Description Evaluation a field-scale of constructed wetland (CW) for the treatment of rural wastewater (WW),
in resource-scarce semi-arid tropic (SAT) villages, to provide improved wastewater management
and increased water use efficiency, was the main objective of this study. A CW was commissioned
in Kothapally village of Telangana to treat the wastewater generated from 100 households. The
CW was vegetated with Typha latifolia and Canna indica. Average COD, sulfate and inorganic nitrogen
removal efficiencies observed were 65%, 60% and 67% respectively, for the study period (one
year). Removal efficiency for total coliform was consistently above 80%. The treated wastewater
was stored in a farm pond and was utilized for irrigation in the nearby agricultural fields (0.6 ha).
This perennial source of water, helped the nearby farmers to cultivate two additional crops, chickpea
during rabi and sweetcorn during summer. The assured availability of water reduced their vulnerability
to dry spells during the kharif by providing means for lifesaving irrigation. The biomass
harvested from the constructed wetland was used as fodder for the livestock. A net additional
income of Rs.70,000 (~US$1,000) was realized by the farmers using the treated wastewater for cultivation.
Similar constructed wetland-based wastewater management system can be scaled up
across water scarce semi-arid tropics.
 
Publisher Taylor and Francis
 
Date 2021-02
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11699/1/Constructed-wetland-for-improved-wastewater-management-and-increased-water-use-efficiency-in-resource-scarce-SAT-villages-a-case-study-from.pdf
Datta, A and Singh, H O and Raja, S K and Dixit, S (2021) Constructed wetland for improved wastewater management and increased water use efficiency in resource scarce SAT villages: a case study from Kothapally village, in India. International Journal of Phytoremediation (TSI). pp. 1-10. ISSN 1522-6514