Is Istanbul Tap Water Safe To Drink?

Last Update11:32 pm, November 17, 2020

The estimated price of bottled water

$0.34 in USD (1.5-liter)

Can You Drink Tap Water in Istanbul?

Yes, tap water is drinkable.

There was no general information available in WHO data about safely managed drinking water in Turkey. You may check the rate of travelers and residents of Istanbul water quality.


In order to fully appreciate the amazing hospitality and history of Istanbul, one must experience the purest form of tap water in Turkey. If you have a family holiday to Turkey or a romantic break with your partner, then Istanbul Turkey should be on the itinerary.

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Tap water may not be safe depending on where you drink it. Although the tap water itself is clean, many local water tanks are not maintained properly, and one should try to avoid tap water if possible. Locals widely prefer bottled water and the same applies for the restaurants. Expect to pay for water in restaurants (around 5TL).

What Do People In Turkey Think About The Tap Water?

Travelers and residents of Turkey have rated the water quality and pollution as follows, according to subjective survey data. A score of 100% is considered very high, and a score of 0% is very low. Please be cautious that "moderate to very high" water pollution is bad and the higher the rate of water quality the better.

Tap water ratings

  • Drinking Water Pollution and Inaccessibility 50% Moderate
  • Water Pollution 56% Moderate
  • Drinking Water Quality and Accessibility 50% Moderate
  • Water Quality 44% Moderate


Always take extra precautions, the water may be safe to drink when it leaves the sewage treatment plant but it may pick up pollutants during its way to your tap. We advise that you ask locals or hotel staff about the water quality. Also, note that different cities have different water mineral contents.

Sources and Resources

Can you drink tap water in Istanbul?

Is tap water safe to drink in Istanbul, Turkey? Yes, it is safe to drink. Tap water is pretreated in water treatment facilities by the ISKI (Water authority of Istanbul) and drinkable but:

Old pipelines and water tanks in buildings can cause water contamination. That is out of ISKI control. To avoid contamination, there is a trace amount of free chloride within the water, which is difficult to notice. Due to chloride and long retention time in pipe, the water in Istanbul may not taste and smell as good as soft natural water. Locals have a very delicate taste and prefer not to drink tap water. However, it is safe to say that tap water in Istanbul is safe and clean potable water.


If you are concerned with your health, we recommend buying bottled water. Especially if you have a sensitive stomach.

Source of Water in Istanbul, Turkey

Almost all of Istanbul’s drinking water (97%) comes from surface water collected from: 

  • Omerli-Darlik system – on the Asian side  
  • Terkos-Alibeykoy system – on the European side. 

Both consist of dams, reservoirs, water treatment plants, and pipelines.

Istanbul Tap Water
Water Treatment Plant

Reservoirs that supply Istanbul are located within the metropolitan area. They are exposed to pollution from settlements without adequate sanitation. Conservation zones around the reservoirs control water quality. Within these conservation zones, construction and industrial activity are limited by four concentric buffer zones with increasingly strict ordinances the closer the zones are to the reservoirs. Despite this, there is little implementation of these regulations in the face of rapid and often unplanned urbanization. Illegal settlements have sprung up around the reservoirs and were legalized by their municipal administrations elected mayors.

Current Weather in Istanbul


Some of the Convenience Stores in Istanbul

Istanbul Mini Market
Istanbul Mini Market
  • Köşem Grocery Shop
  • Topagaci Kasabi
  • Dilek Gida
  • Doğanlar Mini Market
  • Peynirci Baba
  • Petrol Ofisi Market
  • Özdil Tekel
  • Levent Tekel Shop
  • Novi Pazar Gourmet
  • Gilo Market
  • İndigo Tekel Şarküteri
  • Ak Gida
  • Ekomini
  • Istanbul Mini Market

Estimated Price of Bottled Water


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