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With 3.575 million people dying each year from water-related disease, our current water crisis is one of epic proportions. At any given time, half of the world's hospital beds are occupied by those suffering from illness brought on by limited access to safe drinking water, poor hygiene and sanitation. This is why these examples of devices used to purify drinking water are so critical to help the developing world.

This explains how ammonia can be filtered out of water and what materials can be used to do so.

The European Commission (EC) asked the European Food Safety Authority (EFSA) for scientific assistance regarding the possible impact on human health of exposure to ammonium released from water filter cartridges. This explains what ammonia is and how it can hurt people through exposure.

This gives information regarding what turbidity is and how it can be filtered out of water.

Source water may contain turbidity (muddiness), particles, and organic material. Federal and state laws require all surface water systems and systems under the influence of surface water to filter their water. The primary water treatment technology uses filtration techniques. Filtration is the removal of particulates, and thus some contaminants, by water flowing through a porous medium.

Photo: Flickr, CC Researchers in Vietnam have recently completed tests on a new way to remove heavy metals from water. The secret? No, it's not some high tech materials... It's the good ol' sea shell.

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For each LifeStraw ® product you purchase, one school child in a developing community is provided wih safe drinking water for an entire school year. Follow a day in the life of a Kenyan girl named Violet to see how. Visit LifeStraw® Follow the Liters where you can see the impact of consumer contributions.

Note: A PDF version of this document with information conveyed visually in table format is available (please note that the PDF is not accessible for screen readers; this HTML page contains the same information as that found within the PDF): A Guide to Drinking Water Treatment Technologies for Household Use - PDF [PDF - 1.26 mb].

Ammonia can be a big problem for fish and fish keepers alike. It can quickly kill delicate fish species or it can make for a slow, painful death for more hardy fish species. Ammonia and nitrites alike can be managed properly with the proper equipment and know-how.

When you find yourself an a survival situation, you do not always have access to chemicals or a filter to purify the water so you can drink it. You...

Kenya -- Geography Area The total area of Kenya is 224,960 square miles; almost 5,200 sq. miles of this total takes the form of fresh water, mainly in Lake Rudolf. Location Kenya is positioned on the equator on Africa's east coast. Its northernmost and southernmost points are approximately equidistant--a little over 40 north and south of the equator.

cheap way to make water safe to drink, even if it's muddy.

this article is on the limitations of possible water technology in Africa