Icelandic tap water is exceptionally specific since it is one of the cleanest drinking water in the world and is free from chlorine or calcium, or nitrate. This normal spring water has been running and sifting through layers of magma and rocks for a really long time, working everything out such that clean.
1. Puerto Williams in Santiago Chile: Extensive research carried out by University of North Texas, University of Magallanes and University of Chile concluded that Puerto Williams has “the purest water on the planet.” There is absolutely no trace of pollution in the water which is remarkable in this day and age.
Iceland. Iceland's pristine natural environments contribute to its high-quality water. The country's tap water, sourced from pollution-free springs, is considered among the cleanest globally.
With 99.44% of water compliance standards, it's safe to say that Icelandic water is some of the best drinking water in the world.
Zamzam water has 366 mg/L of bicarbonate, making it the purest water on the planet! The Zamzam well in Saudi Arabia has had a continuous water supply for over 4,000 years! Every religion has its own beliefs, rituals and traditions. In Islam, Zamzam water is considered as the blessed holy water.
Essentially, if you only drink ultra pure water, you would lose many important electrolytes. Pure water acts as sponge and soaks up what's around it, meaning that if you drank nothing but ultra pure water, the water would drink you back.
The Maldives is 99% water and more than 80% of its 1,190 islands are just one metre above sea level. Yet many young Maldivians, particularly girls, do not know how to swim.
Again, the healthiest water to drink is water that's free of pathogens and contaminants, yet rich in key minerals. But, if there was one water option to pick, it's likely going to be spring water or clean artesian water—water that still contains healthy mineral content and is free of pathogens.
Scandinavia and Finland
If you put them all together, it's clear that this region of the world is where one can find perhaps the cleanest and safest water flowing from taps. Just for good measure, Finland further filters its naturally clean water multiple times before it reaches the tap.
Moreover, Syeikh Mustafa al-'Adawi when asked regarding the ruling of non-Muslims drinking Zamzam water, he answered saying that there isn't any restriction on this matter.  Hence, if they are permitted to drink it, then the same ruling applies in this matter – that is giving Zamzam water to them.
Zamzam water is different from natural water in terms of minerals and radiological features. The miracle of Zamzam is its continuous flow since 2000 BC. Zamzam water quenches the thirst and shows potential to cure numerous diseases.
In adult men, about 60% of their bodies are water. However, fat tissue does not have as much water as lean tissue. In adult women, fat makes up more of the body than men, so they have about 55% of their bodies made of water.
Most of the human body is water, with an average of roughly 60%. The amount of water in the body changes slightly with age, sex, and hydration levels. While the average percentage of water in a person's body is around 60%, the percentage can vary from roughly 45–75%.
Brazil has highest freshwater resources in the world which is accounts for approximately 12% of the world's freshwater resources. It is just because Amazon region this country contains 70% of the total freshwater. Russia has second largest freshwater reserve which is approximately 1/5 of freshwater in the world.
Chad. The fifth largest country in Africa, the Republic of Chad is located in north-central Africa and part of the Sahara Desert. It is landlocked, making it increasingly dependent on its neighbors for water, most of whom are having their own water scarcity problems.
The Prophet Mohammad (PBUH) said that the best water on the earth is Zamzam water. According to Prophet it is just like food and has the power to cure sickness. Zamzam water fasting helps to increase blood platelets, increases the immunity of the body, increases WBCs, RBCs, and detoxify the body.
Environmental performance can be measured by various factors, and the EPI is a comprehensive source that ranks 180 countries based on 32 indicators. In the latest EPI report, Denmark ranked as the world's cleanest and the most environmentally friendly country in 2022 with a score of 77.9 out of 100.
Research has found that Zamzam water has 366 mg/L of bicarbonates, making it the purest water on the planet! The water has a unique flavour but no colour or fragrance. It is believed to have health benefits because of the high concentration of calcium and magnesium salts.
The present study proved that Zamzam water is a good-quality water and showed excellent wound healing property.
Zamzam Water has been scientifically proven to contain very high levels of Calcium and Magnesium, which can help decrease fatigue. This also provides the water with healing qualities thanks to high fluoride levels similar to conventional medicine properties.
By weight, the average adult human is approximately 70% water, and the average child is approximately 60% water. There can be considerable variation in body water percentage based on a number of factors like age, health, water intake, weight, and sex.
About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
Two-thirds of our bodies consist of water. In total, it makes up 99% of all molecules in our bodies.
What Is The Healthiest Water To Drink When sourced and stored safely, spring water is typically the healthiest option. When spring water is tested, and minimally processed, it offers the rich mineral profile that our bodies desperately crave.
Niger: 54% lack access to clean water.Democratic Republic of the Congo: 54% lack basic water services.Ethiopia: 50% lack basic water services.Somalia: 44% lack basic water services.Angola: 43% lack basic water services.