Water Supply in Karachi

By Jabbar, Bushra | Economic Review, June 1991 | Go to article overview

Water Supply in Karachi


Jabbar, Bushra, Economic Review


Water Supply in Karachi

The existing water supply network in Karachi is over 100 years old and has become outdated and defective. Most of the mains have outlived their useful life and require renovation and replacement.

The water demand of this thickly populated city is 492 million gallons daily, while the supply of water is limited to 355 (if nothing goes wrong). It shows a deficiency of water upto 90 MGD. This deficiency is likely to increase to 468 MGD by the year 2000, when the demand would be 820 MGD. The on-coming projects will however, take care of the part of the demand for all uses, thereby leaving a gap of 268 MGD between supply and demand for which new proposals will have to be drawn up.

Losses in water supply through leakage are 30 per cent. If this leakage is controlled, and 30 per cent is saved, it is sufficient enough to meet the water requirement of Karachi.

Karachi water and sewerage Board is taking certain

necessary actions to overcome this problem. Such as:

Scientific study has been initiated for Leak Detection

and Repair techniques under UNDP assistance through

international experts.

A Leak Detection and Repair Cell has been created

and over 2000 leakages repaired so far.

21 km Rehabilitation of Trunk Mains are near to completion

under IDA credit 1374 - Pak, to save losses in

the distribution system.

A Consumer Education Cell has also been established

to educate people to minimise wastage.

Presently, there is a deficiency of water both in residential

areas and industries, due to which the sanitary

conditions in the city are deteriorating and industrial

production is badly suffering. Sufficient data on water

consumption in different areas of the city is not available

which is essential to analyse the existing situation

and undertake planning for the future. Water consumption

surveys are required to be conducted regularly

as part of the water supply service. Karachi water

supply system is grossly deficient one in many respects.

The transmission mains and distribution system is old

and inadequate to distribute the water equitably as

many areas cannot be fed through the network and

have to be served through tankers at all times.

Frequent power breakdowns occur, causing disruption

both in bulk supply and area distribution.

The system is complex and highly vulnerable. Even

minor setbacks disrupt the supply to many areas and

major breakdowns paralyse the whole system.

The main bulk transmission system (syphon 19/20,

Hub canal/Kinjhar Guffo canal) is also very vulnerable.

There are substantial leakages in the system (estimate

to be 30%)

A large portion of the quantity of water supplied to the consumers in Karachi turns into sewerage. Presently, about 200 MGD of sewerage waste is being generated in the city but treatment capacity is limited to 45 MGD (20%) only.

With the increase in water supply, the sewage generation is expected to increase to 392 MGD by the year 2000. Due to the lack of the quality control in the manufacture of pipes and poor construction of sewers, the resulting sewerage system is not built up to the standard. This causes problems in operation and maintenance of the sewerage system.

A nominal quantity of sewerage is treated through water treatment plants, constructed at Gharo 1, Gharo 2, COD Hills, Pipri and North East Karachi.

All plants treat water derived from the River Indus. The remaining resources from Dumlotee and from the Hub are disinfected by chlorination alone.

Untreated sewage flows increasing continuously with the increase in water supply. Large amount of sewage flows into the adequate existing system. …

The rest of this article is only available to active members of Questia

Already a member? Log in now.

Notes for this article

Add a new note
If you are trying to select text to create highlights or citations, remember that you must now click or tap on the first word, and then click or tap on the last word.
One moment ...
Default project is now your active project.
Project items

Items saved from this article

This article has been saved
Highlights (0)
Some of your highlights are legacy items.

Highlights saved before July 30, 2012 will not be displayed on their respective source pages.

You can easily re-create the highlights by opening the book page or article, selecting the text, and clicking “Highlight.”

Citations (0)
Some of your citations are legacy items.

Any citation created before July 30, 2012 will labeled as a “Cited page.” New citations will be saved as cited passages, pages or articles.

We also added the ability to view new citations from your projects or the book or article where you created them.

Notes (0)
Bookmarks (0)

You have no saved items from this article

Project items include:
  • Saved book/article
  • Highlights
  • Quotes/citations
  • Notes
  • Bookmarks
Notes
Cite this article

Cited article

Style
Citations are available only to our active members.
Buy instant access to cite pages or passages in MLA, APA and Chicago citation styles.

(Einhorn, 1992, p. 25)

(Einhorn 25)

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited article

Water Supply in Karachi
Settings

Settings

Typeface
Text size Smaller Larger Reset View mode
Search within

Search within this article

Look up

Look up a word

  • Dictionary
  • Thesaurus
Please submit a word or phrase above.
Print this page

Print this page

Why can't I print more than one page at a time?

Help
Full screen

matching results for page

    Questia reader help

    How to highlight and cite specific passages

    1. Click or tap the first word you want to select.
    2. Click or tap the last word you want to select, and you’ll see everything in between get selected.
    3. You’ll then get a menu of options like creating a highlight or a citation from that passage of text.

    OK, got it!

    Cited passage

    Style
    Citations are available only to our active members.
    Buy instant access to cite pages or passages in MLA, APA and Chicago citation styles.

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn, 1992, p. 25).

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences."1

    1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

    Cited passage

    Thanks for trying Questia!

    Please continue trying out our research tools, but please note, full functionality is available only to our active members.

    Your work will be lost once you leave this Web page.

    Buy instant access to save your work.

    Already a member? Log in now.

    Author Advanced search

    Oops!

    An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.