Replacement Parts

Berkey Water Systems have a reputation for lasting decades. However, sometimes the washers and other small parts cannot keep up with the stainless steel housing. Below you'll find inexpensive replacement parts to make your Berkey system feel like new again, or to keep as backup for when that replacement day arrives.

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    • Does Running Your Faucet Reduce Lead Concentrations in Drinking Water?

      A study led by researchers from the Louisiana State University Health New Orleans School of Public Health, supported by colleagues from Tulane University, Virginia Tech and Corona Environmental Consulting, has found that the currently recommended method of flushing lead from pipes by letting water run before consuming it DOES NOT provide a consistently effective method of protecting children from exposure to lead via drinking water. The results of the study, which was recently published in the  International Journal of Environmental Research and Public Health, suggest that rather than reducing exposure, the opposite may in fact be the case, as it MAY INCREASE exposure to lead. Does Running Your Faucet Reduce Lead Concentrations in Drinking Water? According to lead author, Adrienne Katner, an Assistant Research Professor of Environmental & Occupational Health Sciences at LSU, flushing water lines according to the current guidelines (half a minute to two minutes) may reduce lead levels in water in some homes, however, more than half of the homes tested had peak levels of lead in their water after flushing for that length of time. Consequently, flushing taps for the recommended time may inadvertently increase the likelihood of being exposed to lead in drinking water. Dr Katner recommends that more effective lead prevention interventions, such as certified high-end water filters like the Berkey (99.9% removal rate), would be more effective in reducing exposure to lead, particularly for families who do not have the finances to replace lead pipes and plumbing. The researchers interviewed homeowners and sampled water from 376 homes located on the East Bank of the Mississippi River, New Orleans, from February 2015 - November 2016. The homes in the study were selected due to their potential to have lead present in their drinking water. Water samples were tested by scientists from Virginia Tech. These included samples from the first cold water draw off; first hot water draw off; and water drawn after letting taps run for 30-45 seconds, 2.5-3 minutes or 5.5-6 minutes. Lead levels in New Orleans drinking water were generally low compared to the EPA safety standard of 15 parts per billion (ppb) set for lead. The test results from the water samples analyzed showed lead levels in drinking water were 5 ppb in 88% of the homes tested. More than 50% of the samples had detectable levels of lead (at levels of 1 ppb or higher). Lead levels in the water samples ranged from less than 1 ppb (undetectable) to 58 ppb in samples collected after flushing the pipes for 30-45 seconds. Lead levels in water did not differ significantly in the samples flushed for longer periods until the six-minute mark was reached, whereafter lead levels declined. Yet, while the percentage of water samples where lead levels exceeded 1 ppb did decrease when flushed for an extended period of 5.5-6 minutes,  Dr Katner points out that the lead reductions observed were not always significant enough to reduce lead exposure in children. If the goal is to prevent lead exposure in children completely, or even to reduce lead levels to the minimum detectable level of 1 ppb recommended by the American Academy of Pediatricians, then New Orleans may need to consider a more proactive measures rather than flushing if they wish to achieve this."We could not verify that a one-time flush is sufficient to maintain low water lead levels," notes Dr Katner. "Some studies evaluating flushing at school taps suggest frequent flushes may be needed throughout the day, as waterborne lead can return to pre-flush levels within hours. Prolonged and repeated flushing may also not be practical, cost-effective, or sustainable over the long term, especially in cities with declining water resources and/or rising water rates."The researchers conclude that public health notifications and recommendations should be updated to ensure consumers flush their water pipes appropriately, and these should also acknowledge the short-comings and limitations of using this method for reducing lead exposure in drinking water.  A water filter system is highly recommended as a fail safe to protect homes who believe they are being exposed to lead. Journal Reference Katner, A.; Pieper, K.; Brown, K.; Lin, H.-Y.; Parks, J.; Wang, X.; Hu, C.-Y.; Masters, S.; Mielke, H.; Edwards, M. Effectiveness of Prevailing Flush Guidelines to Prevent Exposure to Lead in Tap Water. Int. J. Environ. Res. Public Health 2018, 15, 1537. DOI:10.3390/ijerph15071537

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    • Does Running Your Faucet Reduce Lead Concentrations in Drinking Water?
    • What are Trihalomethanes & Does the Berkey Remove THM's?

      Short Answer: Yes, the berkey water filter systems equipped with the standard black berkey filters WILL remove THM (Trihalomethanes) from the water to below lab detectable limits! Trihalomethanes, or THMs as they commonly referred to, are four chemicals that together with other types of disinfection byproducts form as a result of a chemical reaction that occurs between chlorine (or similar disinfectants that are added to drinking water to kill harmful microbes) and organic and inorganic material that may be present in the water. The four THMs — bromodichloromethane, dibromochloromethane, tribromomethane (bromoform) and trichloromethane (chloroform) — are regulated by the US Environmental Protection Agency (EPA) under the Stage 1 Disinfectants and Disinfection Byproducts Rule, with a maximum allowable yearly average of all four THM chemicals combined (i.e. total trihalomethane levels) set at 80 parts per billion (ppb).What are Trihalomethanes (THMs) & Does the Berkey Remove Them? Water disinfection process shown.Health Risks Associated with Exposure to THMs All four THM chemicals are by products of the chlorination process, which is employed in an effort to rid drinking water from pathogens and make it safe for us to drink. However, THMs are carcinogenic and laboratory experiments have shown that they cause cancer in animals. Of the four THM chemicals, dibromochloromethane poses the greatest cancer risk (0.6 ppb increases the cancer risk by 10-6 ), followed by Bromoform (at 4 ppb), and Chloroform, the most common THM found in drinking water (at 6 ppb). Other health concerns associated with THM exposure include damage to liver, kidneys, bladder and central nervous system. Studies also show a link between THM exposure and disorders of the reproductive system, including disruption of the menstrual cycle, infertility, miscarriages, stillbirths and birth defects. But the risk is not limited to drinking tap water alone. A study which was published in the scientific journal Environmental Health Perspectives confirms that bathing and showering are both significant sources of THM exposure, and even inhaling steam from a family member's shower or conducting activities such as dish washing by hand can expose a person to THMs.What are Trihalomethanes (THMs) & Does the Berkey Remove Them? Municipal water facility shown.How to Remove THMs in Water with a Berkey Water Filter According to the Water Research Center, THM concentrations tend to rise with temperature, pH, and time, and are also influenced by the level of organic precursors that react with chlorine to form THMs that are present in the water. Consequently, in order to reduce THM levels, it would be prudent for water treatment facilities to reduce or eliminate chlorinating the water before it passes through the filters, and to filter out the precursors that react with chlorine before chlorine is added to the water to disinfect it. Consumers can also take their own measures to reduce their exposure to THMs. Activated carbon filters, such as the Big Berkey filters fitted with Black Berkey filter cartridges remove THMs to undetectable levels, offering the most effective method of removing unwanted thrihalomethanes and other disinfection byproducts as well as chlorine, organic particulates and other harmful contaminants.

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    • What are Trihalomethanes & Does the Berkey Remove THM's?
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