Home > Bangladesh > Acceptability of the rainwater harvesting system – Dhaka City

Acceptability of the rainwater harvesting system – Dhaka City

Water Sci Technol. 2010;61(6):1515-23.

Acceptability of the rainwater harvesting system to the slum dwellers of Dhaka City.

Islam MM, Chou FN, Kabir MR. Department of Hydraulic and Ocean Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Chinese Taiwan, China

E-mail: manzurul73@gmail.com; hyd4691@mail.ncku.edu.tw

Urban area like Dhaka City, in Bangladesh, has scarcity of safe drinking water which is one of the prominent basic needs for human kind. This study explored the acceptability of harvested rainwater in a densely populated city like Dhaka, using a simple and low cost technology.

A total of 200 random people from four slums of water-scarce Dhaka City were surveyed to determine the dwellers’ perception on rainwater and its acceptability as a source of drinking water. The questionnaire was aimed at finding the socio-economic condition and the information on family housing, sanitation, health, existing water supply condition, knowledge about rainwater, willingness to accept rainwater as a drinking source etc.

A Yield before Spillage (YBS) model was developed to know the actual rainwater availability and storage conditions which were used to justify the effective tank size.  Cost-benefit analysis and feasibility analysis were performed using the survey results and the research findings.

The survey result and overall study found that the low cost rainwater harvesting technique was acceptable to the slum dwellers as a potential alternative source of safe drinking water.

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  1. gwenannwilson
    April 22, 2010 at 3:24 am

    The wooden tank does not need much maintenance as compared to others but the storage capacity is not much as compared to others because wood absorbs water very quickly.
    Looking for rain water tanks in Adelaide? Visit us at Rain Water Tanks Adelaide and find right rain water tanks for your needs!

  2. May 29, 2010 at 5:11 pm

    I hope that this article on Rainwater Catchment may help a few people. It basically explains how to add water pressure to your project for free and without electricity.

    Rainwater harvesting and water pressure

    It’s so simple, but works a dream at our Eco Resort.

  3. August 22, 2010 at 1:28 pm

    i would like to inquire and request for a copy of the questionnaire used. i will run the same survey in our locality and will compare results with your results. hope we can do a comparative study. thanks.

  4. Dr. K. Maudood Elahi
    November 30, 2010 at 5:29 am

    Dept. of Environmental Science, Stamford University Bangladesh has undertaken a postgraduate study on rtainfall harvesting to tackle water crisis in Dhaka city. I would be interested to get in touch with your team in China. If posible send me your questionnaire. We have not done any questionnaire survey because of financial reasons and time constraint but has undertaken Focus Group Discussion (FGD)in several parts of the city.

  1. April 29, 2010 at 10:50 pm

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