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Supplementary files for Household water use and greywater management in Khulna city, Bangladesh

CC BY-NC 4.0 ;DOI: 10.17028/rd.lboro.25348243.v1

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  • Title:
    Supplementary files for Household water use and greywater management in Khulna city, Bangladesh
  • Author: Rebecca Lewis ; Rebecca Scott ; Babul Bala ; Hasin Jahan ; Jamie Bartram ; Tanja Radu
  • Subjects: Bangladesh ; DEWATS ; Domestic wastewater ; Graywater ; Grey water ; Other environmental sciences ; Urban community development ; WASH ; Water resources engineering
  • Description: While substantial progress has been made improving water and sanitation services in low- and middle-income countries, aligned basic services such as greywater, stormwater, and solid waste management have progressed little in recent decades. Data was collected in Khulna city, Bangladesh via a household survey (n=192) of low-income areas exploring domestic water use and greywater volumes, characteristics, and disposal practices. Most households (71%) use a piped water supply for domestic purposes, supplemented by seasonal rainwater harvesting (26%) and greywater use (13%). Of the total water used by households (mean: 594 L/household/day and equivalent to 116 L/person/day), approximately 58% becomes greywater through bathing, dishwashing, religious practices, handwashing, laundry, and mopping. Greywater produced ranges from 61-1,274 L/household/day, with a mean of 345 L/household/day and equivalent to 78.4 L/person/day. Greywater characteristics vary depending on the activity, individual behaviours and any products used during cooking, bathing, or cleaning. After generation, households dispose greywater to open drains (67%), nearby waterbodies (17%) directly to the ground (9%), or decentralised wastewater treatment system (7%). Without services for greywater management, greywater disposal may have considerable public and environmental health implications, necessitating careful attention and oversight from service-providers and stakeholders beyond the household-level. © the authors
  • Creation Date: 2024
  • Language: English
  • Identifier: DOI: 10.17028/rd.lboro.25348243.v1
  • Source: Loughborough University Institutional Repository
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