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Tag Archives: effects of water pollution

  • Poisoned Waters - A Documentary Worth Watching

    We see a couple commercials on the TV about some corporation that's involved in an eco-friendly project and our conscious sets at ease.  The mindset becomes, "we're on the right environmental path, we're starting to make change." The stark reality is that it's going to take much more for us to right these wrongs as we are still on an environmental downward trend in the US and even more so in developing countries.  While we each have our own part to play in this life, and some may be able help turn the tide more than others, it's imperative that we at least all fully understand the severe ramifications of our choices and actions.

    Below are promotional clips from an upcoming PBS documentary called Poisoned Waters that is looking like a must see presentation on the environmental impacts of water pollution. It runs for 2 hours and debuts on PBS this upcoming Tuesday, April 21st at 9PM. It will also be available on the PBS website in it's entirety after the premiere.

  • High Levels of Phosphates Affecting Chesapeake Bay

    True wisdom teaches us that life is all about balance.  When we stop and take a moment to appreciate nature, we recognize that we are surrounded by this wisdom.  Unfortunately, the human species has played a significant role in disrupting this balance in ways that we are still continuing to discover.   The following news story provides an example of how a common item we use in our kitchen everyday is contributing to this disruption.


  • Arsenic Found in Vietnam and Cambodian Rivers

    While my main focus at BigBerkeyWaterFilters is reporting on water conditions in the United States, I also look for big impact stories that seem to miss the US news networks entirely. Many of these water stories are low on the totem pole in the eyes of the US media and simply do not make print or the airwaves, however these international accounts are invaluable for making us aware of water conditions around the world. How these countries are coping and adjusting to these conditions is a helpful lesson for us, allowing for the perspective we need to make the suitable changes in how we treat and respect our water here at home.

    A public announcement, spurred on by a joint effort between UNICEF and the health organizations of two governments recently stated that the Mekong River, which runs through Cambodia and Vietnam, is contaminated with arsenic at a harmful level. More than 21% of the Vietnamese population is at risk, exposed to higher than the EPA and the WHO (World Heath Organization) maximum acceptable levels of arsenic at 10 ppb (parts per billion). When asked about the source of contamination, the chief of UNICEF’s water safety branch stated that “Arsenic contamination in the Mekong is understood to have been caused by recent sedimentation”, and that “it is not known if this has been caused by other reasons as well such as industrial pollution since there has been no scientific study or evidence to support that.” In some regions along the Mekong River, the arsenic levels were found to be above 300 ppb causing the Vietnamese health ministry to warn residents that contamination at these extreme levels have the ability to result in cancer within 3-4 years.

    Arsenic Contaminated Areas in Mekong and Red Rivers


    Earlier Studies Support Findings

    While these findings were made public recently over the last couple weeks, there have been numerous studies of both the Mekong River and the Red River highlighting these surfacing dangers. One of the more prominent research papers was performed by a group of university and environmental group scientists published September 2006 titled "Magnitude of arsenic pollution in the Mekong and Red River Deltas — Cambodia and Vietnam". In that paper, researchers concluded that arsenic contamination was prevalent with chronic poisoning of 10 million people in the red river delta region and .5-1 million people in the Mekong river region. Similar to the UNICEF and government findings, these scientists believed that this arsenic was of natural origin and caused by reductive dissolution of arsenic bearing iron buried in aquifers. Hair samples of citizens within these regions confirmed these higher arsenic concentration accumulations. A potential source of this new found health hazard point to the population’s growing reliance on ground wells set in the 12-45M depth range where seepage is occurring at a high rate. This sort of arsenic contamination of wells occurs in some regions of the US also but tends to localized. Unfortunately, the danger is not isolated to wells in Cambodia and Vietnam as the bottled water, fish, and rice farms of both countries were found to be affected.

    Many residents of the two countries have been aware or suspected of the arsenic contamination prior to these official statements and have been abandoning wells and searching for alternate water sources for a number of years. The Vietnamese government and UNICEF have provided personal water filters to rural home residents, but the amount of individuals that remain unprotected is not clear. Cambodia has chosen to paint contaminated water wells red as part of their action plan. As to information concerning long term arsenic filtration and removal; the proposals and strategy are not well known and hard to determine. This is of great concern to the primarily poor residents affected by this problem since contamination is likely to continue or increase according to research that’s been conducted.

  • Indianapolis - Polluted River Water, Pt's 1 & 2

    A water treatment plant in Indianapolis has been dumping sewage overflow into the White River for over 40 years now.  This is a river that people swim and fish in...even though there are warning signs posted.  Pay attention to the amount of E-Coli they find from a river sample.

    It makes you wonder how much of this contaminated water made it into the water supply of the downstream popuation over these 40 years.  What seeped into the well water systems?  Was it filtered out in some way?  I'd be real interested to see illness or cancer rates across this potentially affected population to look for correlations.  Environmentally speaking, this is just sad.

    Berkey Water Filters

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