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  2. Lift irrigation - Wikipedia

    en.wikipedia.org/wiki/Lift_irrigation

    Lift irrigation schemes must accomplish two main tasks: first, to carry water by means of pumps or other way, from the water source to the main delivery chamber, which is situated at the top most point in the command area.

  3. Water supply and sanitation in Ghana - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Ghana Water had requested a 400% tariff increase to fully cover costs, but the regulator had pared down the request substantially, citing concerns about affordability. [4] Between 1990 and 1997, the average water tariff in Ghana's urban areas had been in the range of US$0.10 to US$0.15 per m³.

  4. Failures of water supply and sanitation systems - Wikipedia

    en.wikipedia.org/wiki/Failures_of_water_supply...

    Of 91 water schemes in Farta and West Estie surveyed, 17.5% were not functioning and 10% were functioning with difficulties (2011). [35] Non-functionality of rural water schemes in 10 regions ranges from 18% to 35%, with a national average of 20% (2010). [36] Out of the 70 water supply schemes in Mirab Abaya Woreda, 30 (43%) were non-functional ...

  5. International Water Management Institute - Wikipedia

    en.wikipedia.org/wiki/International_Water...

    In 1998, its name changed to the International Water Management Institute (IWMI), reflecting this new wider approach. Although it was becoming evident that water could no longer be considered an " infinite resource ", as had been the case in the 1950s when there were fewer people on the planet, no one knew just how scarce the resource was.

  6. Environmental impact of irrigation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Some irrigation schemes use water wells for irrigation. As a result, the overall water level decreases. This may cause water mining, land/soil subsidence, and, along the coast, saltwater intrusion. Irrigated land area worldwide occupies about 16% of the total agricultural area, and the crop yield of irrigated land is roughly 40% of the total ...

  7. India Mark II - Wikipedia

    en.wikipedia.org/wiki/India_Mark_II

    The India Mark II is a Public Domain design handpump. The international design is maintained by the Rural Water Supply Network (RWSN): India Mark II [9] India Mark II, Extra Deepwell [10] India Mark III [11] U3M [12] however India, Ghana (Ghana Modified) and Uganda (U2, U3, U3M) have their own national standards for the India Mark II and its ...

  8. Irrigation - Wikipedia

    en.wikipedia.org/wiki/Irrigation

    The Pretoria irrigation scheme, Kammanassie project, and Buchuberg irrigation scheme on the Orange River all followed in the same vein in the 1920s and 30s. [ 42 ] In Egypt, modern irrigation began with Muhammad Ali Pasha in the mid-1800s, who sought to achieve Egyptian independence from the Ottomans through increased trade with Europe ...

  9. Interbasin transfer - Wikipedia

    en.wikipedia.org/wiki/Interbasin_transfer

    Michigan Ditch in northern Colorado carries water from the North Platte River watershed over Cameron Pass to the South Platte River watershed.. Interbasin transfer or transbasin diversion are (often hyphenated) terms used to describe man-made conveyance schemes which move water from one river basin where it is available, to another basin where water is less available or could be utilized ...