Heavy pollution cuts into the usable water supply, but treatment equipment is expensive.

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Some 12 projects, including a berth for larger supply ship, fresh water supply, sewage and garbage treatment facilities are still under development in Sansha.

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The UN wants funds for emergency cholera treatment and for clean water supply systems and sewage plants.

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It will also supply clean water and sanitation to almost two million people, and direct treatment for some 4, 500 people with the disease.

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The capital's main surgical hospitals and water treatment plants now rely solely on back-up generators because the normal power supply has been cut, an untenable situation, Doumani said.

CNN: Baghdad running low on medicine

When the Department of Environmental Protection noticed hydrogen sulfide in the city's water supply, Stephen Hollowell, general manager of Steinhatchee's chlorine-based water-treatment plant, and his board were willing to a take a chance on new technology.

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