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Berkey Filter Systems

Choose Your Berkey System

There are 7 Berkey water filter systems to choose from below.  The Berkey Light, the Travel Berkey, and the Go Berkey Kit are considered indoor/outdoor systems, while the other 4 are considered indoor systems. Review the dimensions, holding capacity, and flow rates below to help guide you to the perfect system to fit your needs. Or, you can read this article if need help choosing the correct Berkey Filter System! All systems function with the bare minimum of 2 black berkey filters (list of contaminants removed here).

System

Recommended #

of People

Holding Capacity

in Gallons*

Max Number

of Filter Elements*

Flow Rate**

(gallons/hr - full expansion)

Travel Berkey1-31.522.75
Big Berkey1-42.2547
Berkey Light2-52.7547.5
Royal Berkey2-63.2548
Imperial Berkey4-8+4.5616.5
Crown Berkey6-12+6826
* Holding capacities and flow rates are approximated.
** Full Expansion flow rate is a disaster rating and based upon keeping upper chamber full with water consistently.

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    • Hurricane Season Brings Water Quality Fears

      It's hurricane season once again, with Hurricane Florence bringing home that reality loud and clear as she unleashed her fury across the Carolinas. Besides the wind and rain, and the destruction and flooding associated with those two evils, there is always the threat that rising waters can cause hazardous waste to leach out of holding pits or soils on contaminated sites and potentially pollute groundwater and surface waters that serve as a source of drinking water. Recent reports are highlighting the extent of the problem, listing potential threats, which include hazardous waste from superfund sites, chemical factories, coal ash ponds collapsing, and potentially also nuclear power plants, as well as animal waste from hog farms.A pig farm waste pitNorth Carolina has a large concentration of hog farms, and where there are pigs there is plenty of pig waste. This animal waste is held in open pits dotted across parts of North Carolina that lie slightly inland from the coast. These pits are already overflowing due to heavy rainfall and flooding, with also drinking water sources potentially becoming contaminated with feces-laden wastewater.Pilots for Waterkeeper Alliance document the effects of Hurricane Florence's flooding on concentrated animal feeding operations in North Carolina on September 17th, 2018.(Photo: Rick Dove, Waterkeeper Alliance)According to a study conducted by the Environmental Working Group (EWG) and Waterkeeper Alliance, in 2016 there were North Carolina had more than 4,000 animal waste holding pits containing pig and/or chicken manure. It is estimated that North Carolina generates around 10 billion gallons of wet animal waste every year. Picture 15,000 Olympic-size swimming pools filled with pig poo mingling with rising flood waters. Not a pretty sight. Kemp Burdett from Cape Fear River Watch is very concerned about the swine lagoons breaching, and said he was "bracing for catastrophic impact" in Florence's aftermath. "When you have a swine lagoon breach, it is going to have catastrophic impact on the river," Burdette said in an interview with CNN. "We are going to see serious water quality problems." While some farmers have made efforts to reduce the animal excrement in their pits by spraying it onto their fields, this is not likely to be of much help should severe flooding occur. But, even with the best intentions and precautions it may be impossible to prevent animal waste from escaping the holding pits and leaking into the environment. Some runoff is inevitable. According to Burdette, should animal waste be released by floodwaters, the region could suffer long-term water quality issues. But added to that, there is a very real risk to the animals themselves. Should they succumb to rising floodwaters, their carcasses can get washed away and end up in rivers, posing a further risk of contamination. According to Soren Rundquist, Director of Spatial Analysis at EWG, during periods of heavy rainfall floodwaters will wash whatever has been sprayed onto the fields away, together with whatever overflows from the waste holding pits. "Everything that's been sprayed on the fields is going to leave with the runoff anyway," Rundquist told CNN. "So pumping might move it from over here to over there, but it doesn't have a practical effect." Besides the threat posed by animal waste, both North and South Carolina have several Superfund sites earmarked for cleanup by the US Environmental Protection Agency (EPA), with at least nine of those locations posing a real concern to the EPA, who will be monitoring them during and after the storm for any indication that things are amiss. If you believe your water source may be at risk from pig waste contamination or other forms of water contamination, please consider employing a filter system like a berkey water filter.

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    • Hurricane Season Brings Water Quality Fears
    • Water Footprint of Fracking Operations Rises Dramatically

      The volume of water that is used in each well to extract oil during the hydraulic fracturing process has surged dramatically since 2011, rising by an alarming 770% by 2016 across all the main oil and gas production regions across the US, a new study has revealed. In addition to the surge in water usage, the study also shows that the volume of wastewater laden with brine and potentially harmful chemicals generated during fracking operations has risen by as much as 1440% over the same time-frame. If fracking operations intensify at the current rate, the industry's water footprint is likely to increase 50-fold by 2030, fueling concerns regarding the sustainability of these operations, particularly in the drier regions of the country or areas that are already water stressed. "Previous studies suggested hydraulic fracturing does not use significantly more water than other energy sources, but those findings were based only on aggregated data from the early years of fracking," said Avner Vengosh, professor of geochemistry and water quality at Duke's Nicholas School of the Environment."After more than a decade of fracking operation, we now have more years of data to draw upon from multiple verifiable sources. We clearly see a steady annual increase in hydraulic fracturing's water footprint, with 2014 and 2015 marking a turning point where water use and the generation of flowback and produced water began to increase at significantly higher rates," Vengosh said. According to Vengosh, the efficiency of unconventional gas and oil extraction has improved over the years as overall production has increased. However, the volume of both the water used during the oil and gas extraction process, and the wastewater generated as a result, has increased significantly, driving the industry's water footprint upwards.Af Peter Aengst - The Wilderness Society, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=36792426For the study, which was recently published in the scientific journal Science Advances, the researchers reviewed six years of water use, wastewater generation and oil and gas production data collected from non-profit, government and industry sources for over 12,000 oil and gas wells located across the major tight oil and shale gas producing regions in the US. Using this historical data set, they modeled future water usage and first-year wastewater production volumes, looking at two different scenarios. Their models reveal that should oil and gas prices, which are currently low, start to rise again with a simultaneous rise in production to volumes similar to those seen during fracking's peak, cumulative water usage and wastewater production could rise as much as 20-fold in regions where unconventional oil is extracted and as much as 50-fold in regions where unconventional gas is extracted. According to lead author, Andrew Kondash, the models show that even if oil and gas prices and production rates remain the same as they are now, the volume of water used and wastewater produced will still increase sharply by 2030. The wastewater produced as a byproduct of the fracking process contains water that was injected into the wells under pressure during the fracking process in order to crack open fissures in the rock to release the oil and gas. When this water is pumped out again it contains a large percentage of brines that together with the oil and gas are extracted from rocks and soil deep underground. These brines have a high salt content and can also contain harmful chemicals and radioactive elements, which makes treating and disposing of them safely difficult. To get around this issue, many oil and gas companies inject the wastewater back into the ground via wastewater wells. Yet while this may prevent the wastewater from contaminating local freshwater supplies, it has been associated with an increase in earthquakes at some locations. "New drilling technologies and production strategies have spurred exponential growth in unconventional oil and gas production in the United States and, increasingly, in other parts of the world," Kondash said. "This study provides the most accurate baseline yet for assessing the long-term environmental impacts this growth may have, particularly on local water availability and wastewater management." The lessons learned locally in the United States can help other countries, such as Mexico, Argentina and China, make informed decisions when planning and implementing fracking operations to exploit their natural gas resources in the future. Journal Reference Andrew J. Kondash, Nancy E. Lauer, Avner Vengosh. The Intensification of the Water Footprint of Hydraulic Fracturing. Science Advances, August 17, 2018. DOI: 10.1126/sciadv.aar5982

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    • Water Footprint of Fracking Operations Rises Dramatically
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