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Is Iron In Drinking Water A Public Health Risk? It’s long been thought that the presence of iron in drinking water is a cosmetic problem rather than a public health concern. But some scientists are now saying that while the iron itself might not be hazardous to your health, what it does to your drinking water is. Dr. Marc Edwards is a professor at Virginia Tech and world-renowned expert on lead corrosion. He found dangerous levels of lead in Flint’s water system last summer after a local resident and activist reached out to ask for help. His research says that high iron in water can remove disinfectants like chlorine, allowing harmful bacteria to grow. This includes bacteria like legionella, which causes Legionnaire’s Disease. Legionnaire’s disease is a lung infection caused by breathing in contaminated water droplets. The disease also causes high fever and diarrhea and it can be fatal. The Centers for Disease Control estimates as few as two per cent of legionella cases ever get reported, so it’s tough to know the true impact on public health. Edwards believes that there may have been an increase in rates Legionnaire’s disease in the Flint area based on the number of cases health officials have reported, but no direct link has been made to the city’s water supply. “Regular testing can help to protect your water system and the people who rely on you to provide safe drinking water, ” says Pat Whalen, President & CEO of microbial monitoring firm LuminUltra. “Detecting elevated microbial growth levels in real-time can mean the difference between early prevention and putting consumers at risk.” Whalen adds that LuminUltra Water (QGA™) test kit enables microbial data to be generated in a short amount of time from many points in a water treatment or distribution system.
Green Water Concepts India Pvt. Ltd had worked in association with Kerala Water Authority to resolve iron issue present in drinking water at Purathoor Grama Panchayat, Malappuram, Kerala in 2014. GWC had set up seven iron removal plants each with a flow rate of 30000LPH in 4 locations in the grama panchayat. Near about 1500 residents have been benefiting this projects. GWC had used the advanced iron removal media in the treatment plants. The media was selected after a careful study of the analysis reports of the water samples taken from different wells.
Eco Lab is a division of Green Water Concepts India Pvt Ltd. Eco Lab is an environmental laboratory where you can test your water samples with confidence. Water Testing Parameters. pH Turbidity Colour Odour Total Dissolved Solids Conductivity Total Hardness Calcium Hardness Magnesium Hardness Total Iron Chlorides Sulfates Sulfides Bicarbonates Nitrates Phosphates Ammonia Total Coliforms Faecal Coliforms E.Coli Eco Lab follows internationally accepted test procedures, American Public Health Association, APHA standard. Eco Lab is managed by a team of qualified and experience water quality professionals who have extensive experience in water chemistry.
Water Chemistry, pH The technical definition of pH is that it is a measure of the activity of the hydrogen ion H plus and is reported as the reciprocal of the logarithm of the hydrogen ion activity. Therefore, a water with a pH of 7 has 10-7 moles per liter of hydrogen ions, whereas, a pH of 6 is 10-6 moles per liter. The pH scale ranges from 0 to 14. 0 acidic 7 neutral 14 basic In general, a water with a pH less than 7 is considered acidic and with a pH more than 7 is considered basic. The normal range for pH in surface water systems is 6.5 to 8.5 and for groundwater systems 6 to 8.5. Alkalinity is a measure of the capacity of the water to resists a change in pH that would tend to make the water more acidic. The measurement of alkalinity and pH is needed to determine the corrosivity of the water. The pH of pure water is 7 at 25-degree Celsius, but when exposed to the carbon dioxide in the atmosphere this equilibrium results in a pH of approximately 5.2. Because of the association of pH with atmospheric gasses and temperature, it is strongly recommended that the water be tested as soon as possible. The pH of the water is not a measure of the strength of the acidic or basic solution and alone does not provide a full picture of the characteristics or limitations of the water supply. In general, a water with a low pH, less than 6.5, could be acidic, soft, and corrosive. Therefore, the water could leach metal ions such as iron, manganese, copper, lead, and zinc from the aquifer, plumbing fixtures, and piping. Therefore, a water with a low pH could contain elevated levels of toxic metals, cause premature damage to metal piping, and have associated aesthetic problems such as a metallic or sour taste, staining of laundry, and the characteristic blue-green staining of sinks and drains . The primary way to treat the problem of low pH water is with the use of a neutralizer. The neutralizer feeds a solution into the water to prevent the water from reacting with the house plumbing or contributing to electrolytic corrosion, a typical neutralizing chemical is soda ash. Neutralizing with soda ash increases the sodium content of the water. A water with a pH greater than 8.5 could indicate that the water is hard. Hard water does not pose a health risk but can cause aesthetic problems. These problems include: Formation of a scale or precipitate on piping and fixtures causing water pressures and interior diameter of piping to decrease; Causes an alkali taste to the water and can make coffee taste bitter, Formation of a scale or deposit on dishes, utensils, and laundry basins; Difficulty in getting soaps and detergents to foam and formation of insoluble precipitates on clothing, etc. and Decreases efficiency of electric water heaters. Typically these problems are encountered when the hardness exceeds 100 to 200 milligram CaCO3 per liter which is equivalent to 12 grains per gallon. Water can be softened through the use of ion-exchange or the addition of a lime-soda ash mixture, but both processes increase the sodium content of the water. Note: The ideal pH level of alkaline ionized water for long term human consumption is between 8.5 and 9.5 with the ideal ORP value around -200mV to -300mV, and in no way significantly greater than 400mV.
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