Ukraine dam disaster: What we know so far

Ukraine dam disaster: What we know so far

8th June 2023 0 By Gayathiri M
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The Kakhovka dam which has been controlled by Russia since the early days of the war, served as a key crossing of Ukraine’s most important river.

KYIV: The dramatic rupture of the Kakhovka dam on early Tuesday morning, which upheld Ukraine’s largest reservoir, continued to wreak havoc on lives, livelihoods and the environment on Wednesday. 

The damage caused the release of a torrent of water in areas where tens of thousands of people live along the Dnieper River.

The river’s southernmost portion has become a makeshift dividing line between the fighting sides. It is not clear what caused the breach on the dam, which was already damaged in the war.

Latest developments

On Wednesday, authorities and rescue workers from both Ukraine and Russia stepped up efforts to pull stranded residents to higher and drier ground. Ukrainian President Volodymyr Zelenskyy wrote on social media that hundreds of thousands of people were without normal access to drinking water. 

The Russia-appointed mayor of the occupied city of Nova Kakhovka, Vladimir Leontyev, said seven people were missing. The city sits near the dam. 

In Ukrainian-controlled areas on the western side, Oleksandr Prokudin, the head of the Kherson Regional Military administration, said water levels were expected to rise by another meter (about 3 feet) over the next 20 hours. 

U.N. Secretary-General Antonio Guterres on Tuesday said that at least 16,000 people have already lost their homes, and the U.N.’s humanitarian aid coordinator said efforts are underway to provide water, money, and legal and emotional support to those affected. 

Ukraine’s envoy to the U.N., Sergiy Kyslytsya during an emergency session of the security council, dismissed claims from Russia’s U.N. envoy that Ukraine was responsible for the destruction of the dam.

He added that the dam has been under Russia’s control for over a year and that it was characteristic of Russia to blame Ukraine for their own crimes.

The head of the U.N.’s International Atomic Energy Agency, Rafael Mariano Grossi, tweeted about “concerning developments” in the wake of the dam breach and said that he will travel next week to the Zaporizhzhia nuclear power plant, which sits upstream.

IAEA said Tuesday there was “no immediate risk” to the safety of the plant,” whose six reactors have been shut down for months but still need water for cooling.

Why is the dam important? 

The 30-meter-high dam and associated hydroelectric power station are located about 70 kilometres east of the city of Kherson which is a flashpoint of the conflict in a region that Russia has claimed to have annexed but does not fully control. 

Together with the power station, the dam helps provide electricity, irrigation and drinking water to a wide swath of southern Ukraine, including the Crimean Peninsula, which was illegally annexed by Russia in 2014. 

Ukraine’s vast agricultural heartland, which is partially fed by the Dnieper River, is crucial to worldwide supplies of grain, sunflower oil and other foodstuffs. Global wheat and corn prices rose Tuesday on concerns that production might be disrupted. 

What happened to the dam during the war?

Russia has controlled the dam since the early days of the war, and Moscow and Kyiv have accused each other of shelling it. Ukraine said the troops occupying it detonated explosives last fall, that damaged three gates that help regulate water levels. Signs of damage to the gates were evident in late May.

Even before the devastation wrought by Tuesday’s breach, hydropower generation was at a fraction of peak levels. Ukrainian officials and independent experts say Russian forces have failed to maintain the dam built in the 1950s, either deliberately or through neglect.

Earlier this year, water levels in the reservoir were so low that many across Ukraine and beyond feared a meltdown at the Russian-occupied Zaporizhzhia nuclear power plant. According to data from Theia, a French provider of geospatial analysis since mid-February, the water level has steadily increased,

The Ukrainian company that manages the dam and power plant estimates that it will take about four days for the reservoir to reach equilibrium and stop discharging massive amounts of water.

Who and what is at risk?

As floodwaters swelled, both Russian and Ukrainian authorities ordered evacuations from among at least 80 towns and villages at risk on both sides of the river, though neither side reported any deaths.

Officials said about 22,000 people live in areas at risk of flooding in Russian-controlled areas, while 16,000 live in the most critical zone in Ukrainian-held territory. 

Ukraine’s Energy Ministry said there is a risk of flooding at energy facilities in the Kherson region. Nearly 12,000 customers in the city of Kherson have already been left without electricity, and water supplies are also at risk. 

Experts warned about the possibility of an environmental disaster for wildlife and ecosystems in Ukraine and beyond. 

The biggest impact of the breach is likely to be upstream, said Mark Mulligan, a professor of physical and environmental geography at King’s College London and co-leader of the Global Dam Watch, a project that monitors dams and reservoirs. 

“This huge reservoir is going to drain down and the shallows upstream are going to dry out, causing ecological damage to aquatic vegetation and wildlife that have relied on the water for seven decades,” he said. He added that the rapid flow of freshwater into the Black Sea could also damage fisheries and the wider ecology of the northwest part of the sea.

What does this mean for the war? 

Ukrainian officials said that the Russians destroyed the dam to prevent Ukraine from launching a counteroffensive in the area, while Russian officials claimed that Ukraine destroyed the dam to prevent a potential Russian attack on the western bank. 

Either way, the destruction of the dam severs a key crossing of the country’s most important river. The dam served as a bridge, enabling vehicles to pass over; its destruction also unleashed torrents of water, making it harder to cross the river by other means. 

Since last fall, the lower portion of the Dnieper has made up an important part of the front line that stretches more than 1,000 kilometres. The crossing repeatedly came under rocket fire as Ukrainian forces led a successful counteroffensive in November that drove Russian forces back across the Dnieper. 

Ukraine’s military has used groups of scouts to try to gain control of small islands near the Russia-controlled eastern bank and areas in the river’s delta. But experts say a broader offensive would involve major risks and logistical challenges. 

Crossing the wide river was always seen as a daunting task for the Ukrainian military. Most observers expected it to launch a counteroffensive elsewhere. 

Ukrainian military analyst Oleh Zhdanov said that the flooding would make crossing the river even more difficult, noting that it would impact the minefields on the Russia-controlled eastern bank. “Minefields were flooded, mines will be washed off and no one knows where they will surface,” he said. 

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