If you have been a part of a conversation or heard a lot about TDS levels in supply water but are not sure what exactly they are or how do they affect you and your family, then you are in the right place. Let’s take a quick tour and find out everything you need to know about the TDS levels in the drinking water with help of water quality testing:
What exactly is TDS Level?
TDS found in water is an acronym for “Total Dissolved Solids”, it is the measurement of all organic and inorganic substances dissolved in water. The most commonly found inorganic compounds in water are calcium, magnesium and potassium. To a certain extent having these mineral compounds in water is good for health, but when the concentration of these substances is too high, it becomes a cause for concern.
Why is it necessary to verify TDS?
If you can check the TDS levels in the water, you’ll be able to figure out whether the water you’re drinking is clean or not. The most suitable range of water TDS levels, according to many experts is considered to be from 150-350. If you are getting a water TDS level of more than 500, it is recommended to avoid drinking that water.
Which is the Ideal TDS Concentration of Drinking Water?
World Health Organization (WHO) report on TDS levels in drinking water reveals that they have insufficient data and has not conducted enough research to conclude anything on the possible health risks related to TDS levels in the water.
They have not proposed any health-based guideline value for a suitable TDS level of drinking water. According to them, water TDS levels can be higher due to several factors. According to WHO, where the water supply TDS level is on the higher end, the concerned body (department) should identify the individual substances of the TDS.
On the other hand, The Bureau of Indian Standards (BIS) has established the limit for acceptable TDS for drinking water to be 500 mg/L. However, the standard stipulates that if no other water sources for drinking are accessible, the new permissible limit can be as low as 2,000 mg/L. The BIS report also states that when the drinking water TDS is higher than 500 mg/L, it could cause a decline in palatability (acceptable taste) and could cause stomach irritation.
Chart: TDS level vs Drinking Water Taste
|TDS Level (mg/l)||Rating|
|Less than 300||Excellent|
|Above 1,200||Not Acceptable|
Does a high TDS level mean that the water isn’t suitable for drinking?
Be aware that a higher TDS does not necessarily indicate it is unfit to drink. Sometimes it is a sign that the water could be a little unusual in colour, taste or smell. Usually, it is recommended that the TDS of your drinking water should be lower than 300mg/litre. The safe highest limit can be as high as 500 mg/litre. But, it must not exceed 100mg/litre for optimal health.
Water purifiers equipped with Reverse Osmosis (RO) technology is a fantastic way to lower the high TDS levels in the supply of water. They are manufactured with the latest and advanced technology to keep the TDS levels in the supply water as low as possible to ensure that the water is safe for consumption. If you’re looking to purchase one, you can check the RO prices and pick a Kent water purifier or any other good and branded water purifier with RO technology.
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