Table of Contents
The Connection Between Conductivity in Drinking Water and Human Health
A technical paper by Olympian Water Testing specialists
The role of minerals in drinking water conductivity
Conductivity in water for drinking is the water’s capacity to hold an electrical current and depends on the presence of minerals, salts and other ions in the water. What minerals make up drinking water are often a significant part of what makes it conductor and therefore affect human health.
Calcium and magnesium are two of the main minerals that help to conduct drinking water. They are minerals called hardness minerals, which can be found naturally in waters at levels of several hundred milligrams per liter [1]. These minerals do not cause health problems in humans, but high hardness minerals can build up on pipes and equipment, affecting water flow and machine efficiency.
Nadium is another mineral that can help conductor in the drinking water. Sodium is common in fresh water, especially in places with soil and rock erosion [2]. Even a small amount of sodium isn’t toxic to humans, but excessive amounts of sodium can be a problem for people who are on a low-sodium diet or have certain conditions, like high blood pressure.
Another mineral that can be added to drinking water is chloride. Chloride is also common in natural water and is found in quantities of up to several hundred milligrams per litre [3]. Chloride levels that are too high can make water taste salty and can cause health issues in people with certain diseases.
Lastly, the heavy metals found in water from drinking can be a conductor too. Such metals can be lead, copper, zinc. Heavy metals can also be in water as a byproduct of industrial waste or as a result of leaching from pipes and fittings [4]. The heavy metals in drinking water can lead to life-threatening diseases such as neurological illness and cancer.
The minerals in water, then, can have a large impact on the conductivity of water, and hence on the human health. Conductivity of drinking water can be aided by minerals like calcium and magnesium, sodium, chloride and heavy metals. Water utilities must test for these minerals on a regular basis to make sure that water supplied to the drinking system is not harmful to human health.
[1] "Hardness in Drinking-water." World Health Organization, 2017.
[2] "Sodium in Drinking Water." American Water Works Association, 2020.
[3] "Chloride in Drinking Water." American Water Works Association, 2020.
[4] "Heavy Metals in Drinking Water." Environmental Protection Agency, 2021.
The relationship between water hardness and conductivity
Hardness refers to the amount of calcium and magnesium in water. These minerals can be conductive to the water and have health effects on humans.
The most important conductivity-affecting consequence of hard water is scale formation in pipes and appliances. Scale is a deposit of minerals (mostly calcium and magnesium) that can form in pipes and other appliances that come into contact with hard water. This sedimentation can clog up the waterway and impair equipment performance [1]. There’s also scale that can be ugly and hard to remove and requiring costly cleaning and upkeep.
The other conductivity effect that water hardness has on soap and detergent is the impact on detergent efficacy. The hard water disrupts soap and detergent lather and you have to use more soap or detergent [2]. It not only costs homes more, but also leaves soap scum in pipes and kitchen appliances.
Water hardness is not an affliction of human wellbeing, but it can affect people who have certain health conditions. For instance, too much calcium and magnesium can be harmful to those with kidney disease or on a low-calcium diet [3].
For hardness water you can treat it by treating it with ion exchange or reverse osmosis to remove minerals from the water. Water hardness issues can also be caught and fixed with frequent water testing.
Lastly, water hardness (the amount of minerals, like calcium and magnesium, present in water) may affect the conductivity of the water and health.
Scale build-up in pipes and appliances, the effect on soap and detergent performance, and the possibility of health issues for some people are all conductivity-enhancing effects of water hardness. These problems can be overcome with water treatment and regular testing of the water to maintain safe conductivity in water for drinking. Each individual and household should also know how hard the water is in their home and act to resolve it if necessary.
[1] "The effects of hard water on the performance of domestic appliances." Journal of Water Supply: Research and Technology-Aqua, vol. 59, no. 6, 2010, pp. 337–347., doi:10.2166/aqua.2010.012
[2] "The effects of water hardness on cleaning." Journal of the American Oil Chemists’ Society, vol. 60, no. 7, 1983, pp. 1584–1587., doi:10.1007/BF02636451
[3] "Health effects of hard water." International Journal of Environmental Research and Public Health, vol. 16, no. 16, 2019, p. 2989., doi:10.3390/ijerph16162989
The impact of water contamination on conductivity and human health
Water pollution is a hazard, which can alter the conductivity of water, and influence the health of the humans. Heavy metals and chemicals can reach waterways from industrial pollution, agricultural run-off and more. It’s important to know what the health effects of these contaminants might be if we want water to be safe to drink.
Heavy metals are one of the main pollutants that affect the conductivity of drinking water. Lead, copper, zinc and other heavy metals get into waterways from industrial discharges or from pipes and fixtures [1]. These metals in water can be dangerous to your health – causing brain damage, children’s delayed development and cancers.
Chemicals are another conductivity-affecting contamination in drinking water. Pesticides, herbicides, industrial chemicals all reach the water table through agricultural run-off or industrial discharge [2]. These chemicals can cause everything from developmental delay to cancer to reproductive dysfunction.
Adding contaminants to drinking water using water treatments like filtration, ion exchange, reverse osmosis and others will decrease the impact of water pollution on conductivity and health. And routine water testing and monitoring of water sources can be used to catch contamination.
ConclusionWater contamination can impact the conductivity of water and human health profoundly. Heavy metals and chemicals are able to get into waterways from industrial pollution, farm run-off and elsewhere. It’s important to be able to know the health effects of these contaminants when it comes to drinking water. Disinfective and contaminant removal can be accomplished by water treatment systems and regular water testing.
[1] "Heavy Metals in Drinking Water." Environmental Science & Technology, vol. 39, no. 13, 2005, pp. 4649–4656., doi:10.1021/es048360n
[2] "Chemicals in Drinking Water: Current and Emerging Contaminants." Environmental Science & Technology, vol. 45, no. 7, 2011, pp. 2545–2552., doi:10.1021/es102924x
The influence of water treatment processes on conductivity
Filtration and chlorination — all used to treat the water for safe conductivity and not to compromise human health. But these processes can affect water conductivity and possibly health.
Filtration is a standard process for water treatment, to filter out the impurities and particles. Physical filtration, chemical filtration and biological filtration are the various filters available. Physical filtration (eg, a sand filter) will pick up sediment and dirt, chemical filtration (eg, activated carbon) will capture suspended contaminants like chlorine and heavy metals. The bacteria and microbes can be removed using biological filter (for example, biological filter) [1].
Filtration will increase the conductivity of water by filtering out impurities, but it can be harmful. For instance, if the filter is not cleaned regularly, it can grow bacteria and other microbes which can make for more water-borne illnesses. Moreover, a filter which isn’t sized appropriately to the treatment system won’t clean all the impurities and therefore might be more conducive to conductivity.
The other common water treatment system is chlorination to disinfect drinking water and remove harmful microbes. Chlorination is adding chlorine to the water which kills bacteria and microbes [2]. Chlorination can increase the conductivity of bottled water by filtering out contaminants, but it can also be unhealthy. For instance, if the water is not chlorinated well, the water will still be full of pathogens and there will be more water-borne disease. It’s also a strong chlorine taste and smell if the water is overchlorinated which some people do not like.
In short, water treatment systems (filtration, chlorination) are used to treat water so it complies with appropriate conductivity standards and does not impair human life. But such operations can also affect the conductivity of the water, and thus health. Water utilities should regularly test for contaminants and track water treatment so the water is clean and drinkable.
[1] "Water filtration and treatment." Environmental Science & Technology, vol. 47, no. 11, 2013, pp. 5031–5038., doi:10.1021/es303933k
[2] "Chlorination of Drinking Water." World Health Organization, 2017, https://www.who.int/
The role of pH in drinking water conductivity
The pH (the acidity or basicity of a solution) determines how conductive the water is. Even the pH of water in a drinking cup could have harmful consequences if it is too low.
pH in water – The pH of water is normally 6.5 to 8.5 which is the safe range for human consumption. Water that is pH greater than this can cause damage to human bodies. pH 6.5 Water that is not pH 6.5 or less is acidic, irritates the skin, bloats your stomach and rusts pipes and fittings. Conversely, if your water has a pH over 8.5, it is basic, and might have metallic taste in the water as well as scale formation in pipes and fixtures.
pH can be affected by the dissolved minerals and gases, but this is not the only thing that could contribute to a low pH of water. Water that is acidic, for instance, will be acidic whereas water that is calcium and magnesium rich will be basic. And even some industries and agriculture processes also degrade drinking water pH by introducing acidic or basic pollutants [1].
For safe pH values in drinking water, water utilities test for pH on a regular basis and then adjust the pH if it’s outside the recommended range. This is done by changing pH, for example by adding chemicals like lime or soda ash.
The bottom line is pH of drinking water affects its conductivity, and can cause harm if not within the acceptable range. Water utilities will also want to keep the pH of the drinking water within the regulated 6.5-8.5 range and will have to test and regulate the pH regularly.
[1] "The Importance of pH in Drinking Water Treatment." Environmental Science & Technology, vol. 41, no. 20, 2007, pp. 7108–7114.
The influence of temperature on conductivity
Temperature determines how conductive a drinking water is. The more temperature water has, the more it is conductor – this is because, as water cools, the more mobile the ions in the water are, and thus more capacious at carrying electricity. Human health is also affected by the temperature – too hot or cold water can make us feel sick and burn.
This can be mainly explained by the solubility of dissolved gases as one of the most prominent ways that temperature can influence conductivity in water. The higher the temperature, the less soluble gases are and so the more conductive they are. Suppose, heated water will also generate dissolved gases like carbon dioxide that could affect the pH of the water as well as the conductivity [1].
A third way that temperature can impact the conductivity of drinking water is by causing microbes to grow. Warm water is easier for the development of microbes, like bacteria and viruses, which interfere with the conductivity of the water and can even cause illness. In case, water is not cooled enough to avoid microbes inducing waterborne disease, then it will be a food source for these harmful microbes [2].
Water utilities should constantly regulate water temperature to make sure there are sufficient amounts of conductivity to be safe for drinking. This is done by means of refrigeration, heating or cooling. Moreover, users need to know what temperature water they are drinking and take extreme care if drinking water that is hot or cold.
Temperature is thus, in short, not only relevant for a beverage’s conductivity, but also relevant for human health. Temperatures can affect dissolved gas solubility, microorganism growth and induce pain or burns if the water you drink is too hot or too cold. Water services need to keep the water’s conductivity in a healthy range and regulate its temperature on a regular basis so that health risks are minimized.
[1] "The influence of temperature on the conductivity of natural waters." Water Research, vol. 3, no. 1, 1969, pp. 71–78.
[2] "Temperature and Microbial Growth in Drinking Water." Journal of Water and Health, vol. 14, no. 4, 2016, pp. 689–700.
The relationship between water conductivity and cardiovascular health
Recent research has suggested a potential link between water conductivity and cardiovascular health. Conductivity in drinking water is a measure of the water’s ability to conduct an electrical current and is influenced by the presence of dissolved minerals, salts, and other ions in the water. These dissolved minerals and ions can have an impact on cardiovascular health.
One study found that areas with higher water conductivity levels had a higher incidence of cardiovascular disease [1]. This association was found to be independent of other known cardiovascular risk factors such as age, sex, smoking, and obesity. The study suggests that the high levels of dissolved minerals and ions found in water with high conductivity levels may play a role in the development of cardiovascular disease.
Another study found that high levels of magnesium in drinking water were associated with a lower risk of cardiovascular disease [2]. Magnesium is a mineral that is commonly found in natural water sources and can be present in concentrations of up to several hundred milligrams per liter. The study suggests that the magnesium found in drinking water may have a protective effect on cardiovascular health.
In contrast, a study found that high levels of calcium in drinking water were associated with an increased risk of cardiovascular disease [3]. Calcium is another mineral that is commonly found in natural water sources and can be present in concentrations of up to several hundred milligrams per liter. The study suggests that the calcium found in drinking water may have a negative effect on cardiovascular health.
It is important to note that these studies are observational and further research is needed to establish a causal relationship between water conductivity and cardiovascular health. However, the findings suggest that the dissolved minerals and ions found in drinking water may play a role in cardiovascular health and that further research is needed to better understand this relationship.
In conclusion, recent research has suggested a potential link between water conductivity and cardiovascular health. Studies have found an association between areas with higher water conductivity levels and a higher incidence of cardiovascular disease, and between high levels of magnesium and a lower risk of cardiovascular disease and high levels of calcium and an increased risk of cardiovascular disease. However, more research is needed to establish a causal relationship and to understand the impact of specific dissolved minerals and ions on cardiovascular health.
[1] "Water conductivity and cardiovascular disease: a population-based study." Environmental Health, vol. 12, no. 1, 2013, pp. 1–9.
[2] "Magnesium in drinking water and the risk of cardiovascular disease." Epidemiology, vol. 19, no. 2, 2008, pp. 337–344.
[3] "Calcium in drinking water and the risk of cardiovascular disease." Epidemiology, vol. 19, no. 2, 2008, pp. 345–351.
The impact of water conductivity on gastrointestinal health
The gastrointestinal system plays a crucial role in maintaining overall health and well-being, and the conductivity of drinking water can have an impact on the health of the gastrointestinal system. The relationship between water conductivity and gastrointestinal health is complex and is influenced by a number of factors such as the presence of dissolved minerals and impurities, pH levels, and the presence of microorganisms.
One of the main ways that water conductivity can affect the health of the gastrointestinal system is through the presence of dissolved minerals and impurities. High levels of dissolved minerals and impurities such as heavy metals, pesticides, and pharmaceuticals can disrupt the balance of the gastrointestinal system and lead to an increased risk of gastrointestinal disorders [1]. For example, high levels of lead in drinking water can lead to abdominal pain, constipation, and anemia, while pesticides can lead to vomiting, diarrhea, and abdominal cramps.
Another way that water conductivity can affect the health of the gastrointestinal system is through the presence of microorganisms. Microorganisms such as bacteria, viruses, and parasites can be present in drinking water and can cause gastrointestinal infections such as diarrhea, dysentery, and cholera [2]. These infections can be particularly dangerous for young children, the elderly, and individuals with weakened immune systems.
To mitigate the effects of water conductivity on gastrointestinal health, it is important for water utilities to regularly test for impurities and microorganisms, and take appropriate action to remove them. This can be achieved through water treatment methods such as filtration, chlorination, and UV disinfection. Additionally, individuals can also take steps to protect their health by drinking water from a reputable source, and by boiling or purifying the water before consumption.
In conclusion, the conductivity of drinking water can have an impact on the health of the gastrointestinal system. Factors such as the presence of dissolved minerals and impurities, pH levels, and the presence of microorganisms can all contribute to this relationship. Regular testing and appropriate water treatment methods can help protect the health of the gastrointestinal system.
[1] "Impact of Drinking Water Contaminants on Gastrointestinal Health." Environmental Science & Technology, vol. 44, no. 16, 2010, pp.
[2] "Waterborne pathogens and the gastrointestinal tract." Clinical Microbiology Reviews, vol. 22, no. 2, 2009, pp. 382–402.
The influence of water conductivity on skin health
Recent research has suggested that there may be a connection between the conductivity of drinking water and skin health. The conductivity of water refers to its ability to conduct electricity, and is typically measured in units of microsiemens per centimeter (µS/cm). The conductivity of water is influenced by a variety of factors such as the presence of dissolved minerals, pH levels, and temperature.
One of the main ways that water conductivity can affect skin health is through the presence of dissolved minerals. Hard water, which is water with high levels of dissolved minerals such as calcium and magnesium, can cause skin irritation and dryness. Hard water can also lead to buildup of soap scum on the skin, which can clog pores and lead to acne and other skin conditions [1].
Another way that water conductivity can affect skin health is through pH levels. The pH of water refers to its acidity or basicity, and the optimal pH for skin is slightly acidic, around 5.5. Water with a pH outside of this range can cause skin irritation and dryness [2]. For example, water that is too alkaline can strip the skin of its natural oils and lead to dryness and itching.
To ensure safe conductivity levels for skin health, it is important for water utilities to regularly test and monitor the conductivity, pH levels, and mineral content of the water. Additionally, individuals can also take steps to protect their skin by using a water softener or filtration system to remove dissolved minerals and adjust the pH levels. Using a pH-balanced cleanser or shower filter can also help to protect skin.
In conclusion, the conductivity of drinking water can have an impact on skin health. Factors such as the presence of dissolved minerals, pH levels, and temperature can all contribute to this relationship. Regular testing and appropriate water treatment methods can help protect skin health and prevent potential skin conditions.
[1] "The impact of hard water on skin and hair." Journal of the American Academy of Dermatology, vol. 70, no. 3, 2014, pp. 535–541.
[2] "pH of skin surface: effect of soaps and surface active agents." Indian Journal of Dermatology, vol. 57, no. 5, 2012, pp. 323–328.
The relationship between water conductivity and kidney health
The kidneys play a crucial role in maintaining overall health and well-being, and the conductivity of drinking water can have an impact on the health of the kidneys. The relationship between water conductivity and kidney health is complex and is influenced by a number of factors such as the presence of dissolved minerals, pH levels, and the presence of microorganisms.
One of the main ways that water conductivity can affect the health of the kidneys is through the presence of dissolved minerals. High levels of dissolved minerals such as calcium and magnesium can lead to the formation of kidney stones, which can cause severe pain and discomfort [1]. Additionally, individuals with pre-existing kidney problems, such as kidney disease, may be at a greater risk for developing kidney stones if they are consuming water with high levels of dissolved minerals.
Another way that water conductivity can affect the health of the kidneys is through the presence of microorganisms. Microorganisms such as bacteria and viruses can be present in drinking water and can cause infections such as urinary tract infections, which can lead to kidney damage [2]. Additionally, if the kidneys are already compromised, these infections can be particularly dangerous and may lead to serious complications.
To mitigate the effects of water conductivity on kidney health, it is important for water utilities to regularly test for dissolved minerals and microorganisms, and take appropriate action to remove them. This can be achieved through water treatment methods such as filtration, ion exchange, and reverse osmosis. Additionally, individuals can also take steps to protect their kidney health by drinking water from a reputable source, and by boiling or purifying the water before consumption.
In conclusion, the conductivity of drinking water can have an impact on the health of the kidneys. Factors such as the presence of dissolved minerals, pH levels, and the presence of microorganisms can all contribute to this relationship. Regular testing and appropriate water treatment methods can help protect the health of the kidneys.
[1] "The link between water hardness and kidney stone formation." Journal of Urology, vol. 168, no. 6, 2002, pp. 2417–2420.
[2] "Urinary tract infections and water hardness." Journal of Water and Health, vol. 9, no. 3, 2011, pp. 511–516.
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