Which River Is Known As The Lifeline Of Iraq?

Iraq sits in the centre of the Middle East and is shaped by its rivers. Although much of the country is desert, it has more than seven major rivers and many smaller streams. The Tigris and Euphrates are the most well-known, supplying all of Iraq's surface water. The Euphrates is the region's longest river at about 2,800 kilometres, but do you know which river is called the "Lifeline of Iraq"? In this article, we'll explore the history and importance of this powerful river.

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Which River is known as the Lifeline of Iraq?

The Tigris River, often called the Lifeline of Iraq, is one of the two main rivers that shaped ancient Mesopotamia. It starts in the Taurus Mountains in eastern Turkey, with its source at Lake Hazar.

From there, the river flows southeast for about 1,900 kilometres. It briefly passes through northeastern Syria before entering Iraq, where it runs past major cities such as Mosul, Tikrit, and Baghdad.

Along the way, several important tributaries join the Tigris, including the Greater and Lesser Zab. Eventually, it meets the Euphrates River at Al-Qurnah in southern Iraq.

Together, the Tigris and Euphrates form the Shatt al-Arab waterway, which flows into the Persian Gulf. This river is essential because it supplies almost all the water used for farming and drinking in Iraq.

5 Lesser-Known Facts About the Tigris

• Its name comes from the Old Persian word Tigra, which means "arrow-like" or "fast" because it flows much quicker than the neighbouring Euphrates.
• While rare today, the last wild lion recorded along the banks of the Tigris was seen as recently as 1926.
• The Tigris is mentioned in the Bible as one of the four rivers that branched out from the Garden of Eden.
• For centuries, people used unique rafts called "Keleks", made of wood and inflated with goatskins, to transport goods downstream to Baghdad.
• The river is considered sacred by the Mandaean community, which has performed immersion baptism rituals in its waters for thousands of years.

Why is the Tigris called the Lifeline of Iraq?

Source: Britannica

The Tigris is often called the "Lifeline" of Iraq because it supplies about 50% of the country’s water. Since 60-70% of Iraq is desert, the river is the main source of drinking water, fishing, and industry. Its faster flow and greater volume than the Euphrates make it Iraq’s most dependable water source. Without the Tigris providing around 26 billion cubic meters of water each year, the country’s cities and farms would face serious challenges.

What Are The Major Rivers In Iraq?

Iraq’s main water sources are the Tigris and Euphrates rivers. There are also other important rivers, such as the Diyala (445 km), Greater Zab (400 km), and Lesser Zab (400 km), which all flow into the Tigris. In the south, the Tigris and Euphrates join to form the Shatt al-Arab, a 200 km waterway that reaches the sea.

What Is Euphrates Called Today?

Today, the Euphrates River is known by different names in different languages. In Arabic, it is al-Furat. In Turkish, it is Fırat, and in Kurdish, it is also Firat. All these names go back thousands of years to the Old Persian word "Ufrātu", which means "the good" or "the wide". No matter how it is spelt, this river is still the longest in Western Asia, stretching about 2,800 kilometres.

What Was Iraq's Old Name?

Long before it was called Iraq, this region was known as Mesopotamia. The name comes from Greek: 'mesos', meaning 'middle', and 'potamos', meaning 'river', so it translates to 'The Land Between the Rivers'. Mesopotamia was home to some of the world's first civilisations, including Sumer and Babylon, more than 5,000 years ago. The name "Iraq" became more common after the 7th century, and some believe it derives from the ancient Sumerian city of Uruk.

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What Country Did the Tigris And Euphrates Meet In?

The Tigris and Euphrates rivers come together only in Iraq. They run side by side through the desert before joining at the town of Al-Qurnah in the southeast. When they meet, they form the Shatt al-Arab, a large river of historical significance. Many people in the area call this spot the legendary Garden of Eden. From there, the river travels about 200 kilometres before reaching the Persian Gulf.

Which River Is Bigger, the Euphrates Or the Tigris?

Which river is bigger depends on how you define 'bigness'. The Euphrates is longer, running 2,800 km, while the Tigris is 1,900 km long. But the Tigris carries more water, with an average flow of 1,014 cubic metres per second, almost twice as much as the Euphrates. Since it is deeper and flows faster, the Tigris is usually seen as the more powerful river.

What Are The Tributaries Of the Tigris River?

While the Euphrates has no major tributaries after it enters Iraq, the Tigris receives water from several large rivers. The five main tributaries are the Khabur, Greater Zab, Lesser Zab, Adhaim, and Diyala. Together, these rivers provide about half of the Tigris’s total water. Most of them begin in the mountains of Turkey or Iran and then flow down into the Iraqi plains to join the Tigris.

Who Controls The Tigris River?

Turkey, Iraq, and Iran all share control of the Tigris River, but Turkey has the most influence. Since Turkey is upstream, it controls the river’s headwaters and has built more than 22 dams. One of these, the large Ilisu Dam, can cut water flow to Iraq by as much as 56%.

Iraq manages the river as it flows through its land, but it relies completely on water released from upstream. Iran controls several important tributaries that supply about 13% of the Tigris’s total water.

In April 2024 and again in late 2025, Turkey and Iraq signed major agreements to work together on water sharing and infrastructure, but the exact amounts of water are still being negotiated.

Who Controls The Euphrates River?

Turkey, Syria, and Iraq all share control of the Euphrates River. Turkey has the most influence because the river starts there, and it manages about 28% of the river basin. Turkey has also built several dams, including the Ataturk Dam. Right now, Turkey has agreed to release at least 500 cubic meters of water per second to its neighbours. Iraq, the last country the river passes through, usually receives the remaining 40-58% of the water that flows through Syria.

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