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Essential Minerals in Daily Drinking Water | Guide for Singaporeans

by Dr. Jonathan Doyle - Updated October 20, 2025
Consuming water helps in keeping your body hydrated. However, have you ever pondered over the minerals that your daily water contains? These minerals include important ones like Calcium, Magnesium, and Potassium. These help regulate your overall health. However, your tap water may not always possess the same set of minerals depending on your geographic location and water filtering system.
In this report, we'll delve into the important minerals that should be present in your drinking water, the significance of these minerals in your well-being, as well as what it takes to get the very best water that Singapore has to offer. Finally, we'll talk about how a Waterdrop water filter can improve your at-home water quality.

What Constitutes Essential Minerals in Drinking Water?

The important minerals found in drinking water include naturally occurring compounds that serve various functions within your body. Although tap water has been known to undergo treatment that rids it of harmful bacteria and pollutants, it may contain important minerals that work towards enhancing your well-being. The important minerals found within water come from the interactions that water has with the earth's surface.
The most frequent essential minerals found in drinking water include:
  • Calcium
  • Magnesium
  • Potassium
  • Sodium
  • Iron
  • Zinc
These minerals have various benefits and may be present in your tap water at levels depending on the sources of the water as well as your geographic location. The next section explains the significance of these minerals and their role in your life.

Why These Minerals are Important for Health?

Consuming water high in important minerals may provide various health advantages. The important minerals found in water and their benefits include:
food may contain Calcium

Calcium

Calcium supports the functions of your bones and teeth. Calcium helps your body create strong bones. In addition to that, it assists in the contraction of muscles and the transmission of nerve impulses. Incredibly enough, your body holds 99% of your total calcium content in your bones and teeth. Having water that contains high levels of calcium helps increase your daily calcium levels.

Magnesium

Magnesium – another crucial mineral that helps in muscle and nerve functions. The mineral participates in over 300 biochemical processes within your body. These functions include regulating sugar levels in your blood , blood pressure, as well as the synthesis of proteins, bones, and DNA. Consuming water high in magnesium helps in preventing deficiencies as well as staying healthy.

Potassium

Potassium plays an essential role in regulating fluid balance, muscle contractions, and nerve signals. It helps maintain healthy blood pressure levels, and its presence in drinking water can support heart health. Potassium is also critical for preventing muscle cramps and supporting kidney function.

Sodium

Sodium is another electrolyte that assists in the regulation of fluid within your body. It helps regulate your blood pressure alongside potassium. The sodium levels in your water should not be high since high blood pressure can develop.
That's why monitoring your sodium content is a good aspect when you have a medical condition that restricts you from consuming excessive sodium from your diet.
various minerals

Iron

Iron helps transport oxygen in your blood. It is an important component of hemoglobin in red blood cells, which transport oxygen from your lungs to the various parts of your body.
Additionally, iron helps your cells generate energy. Having water that contains higher levels of iron can increase your daily iron nutrient intake.

What Can I Gain from Mineral-Rich Water?

Consuming water that contains necessary minerals also helps in various ways, including:

1. Promoting Bone and Joint Health

Calcium and magnesium are important minerals that ensure healthy bones and joints. Calcium and magnesium work to prevent osteoporosis and ensure that the body can heal when it has damaged bone tissue.
Click here to learn more about What Is Mineral Water?

2. Regulating Blood Pressure

Potassium and magnesium minerals ensure that blood pressure levels remain in order. The use of mineral-rich water helps in keeping the heart healthy by preventing the adverse impacts of high blood pressure.

3. Increasing Hydration

In contrast to tap water, mineral water may prove to be more helpful as it contains minerals such as sodium and potassium that work to retain water within your body. This may come in handy when your body gets enough heat from either regular exercise.
a glass of clean filtered water

4. Supporting Digestive Health

Some minerals such as magnesium, have been known to ease digestive difficulties by facilitating bowel movement. Magnesium assists in the production of stomach acid. This helps in the digestive process.

What Is the Mineral Content in Singapore's Tap Water?

Singapore is renowned for possessing some of the cleanest tap water globally. The city-state's water treatment system incorporates the latest technology like Reverse Osmosis to ensure that the water that flows from the tap is clean enough for human consumption. Despite that, Singapore's tap water still contains various minerals.
The minerals that can be found in the tap water of Singapore include:
  • Calcium: Trace levels. Calcium helps to fortify the bones.
  • Magnesium: Involved in muscle functions and energy metabolism.
  • Sodium: Useful in fluid regulation. Should be used in moderate quantities.
  • Potassium: Necessary for heart and fluid function.
Despite the purification processes that Singapore's tap water undergoes, there may be some who feel that the taste of the water is simply "too hard" due to the mineral components. This factor may influence whether it's the best drink for hydration. That's where water filtration solutions come in.

How to Enhance the Taste and Quality of Tap Water?

If you want to ensure that your tap water tastes better and that it contains the necessary minerals that it should have, you may want to invest in a high-quality water filter. Waterdrop offers high-quality water filters that remove contaminants from your water while preserving the necessary minerals. This will give you both advantages.
Waterdrop Reverse Osmosis provides high-quality filtration through reverse osmosis, eliminating as much as 99% of contaminants such as chlorine, lead, and bacteria. The Waterdrop Reverse Osmosis filters retain healthy minerals such as calcium and magnesium that your body needs.

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Contaminants Detected in  Fruitland Water Special Service District
30
Contaminants
EXCEED EWG HEALTH GUIDELINES

30  Total Contaminants in Your Water

Water Provider

Fruitland Water Special Service District

Population Affected

120,000

Water Source

Ground water
Exceeds Guidelines

Others Detected

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