Faulty Construction, Heavy Rain Cause Dam to Flood Lao Villages

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Lao workers run from floodwaters after the reservoir of the Nam Ao River Dam burst its banks in Phaxay district, northeastern Laos’ Xieng Khouang province, Sept. 11, 2017.
Lao workers run from floodwaters after the reservoir of the Nam Ao River Dam burst its banks in Phaxay district, northeastern Laos’ Xieng Khouang province, Sept. 11, 2017.
Screenshot from video courtesy of Keobouasone Hamaphasouk

Hundreds of thousands of cubic feet of muddy water have flooded eight villages in central Laos’ Xaysomboun province after the reservoir of a dam upstream burst its banks last week following heavy rain, damaging infrastructure, farmlands, and water supplies.

When the reservoir of the Nam Ao Dam in Phaxay district in northeastern Laos’ Xieng Khouang province broke on Sept. 11, it sent 500,000 cubic meters of water downstream in severe flashfloods that inundated the villages with water, seriously damaging one of them, according to officials.

Now central and regional government officials say that Bothong Inter Group, the hydropower dam project developer, is legally responsible for repairing the damage to electrical networks and  water supplies, because the reservoir’s construction was “not standard.”

“Legal action must be taken [against the project developer] for sure, and now the provincial authorities are investigating all the damage,” Khammany Inthirath, minister of the country’s Ministry of Energy and Mines, told RFA’s Lao Service a day after the incident.

“First, it wasn’t standard so it broke, and second it was because of the heavy rain,” he said.

Somboun Sonlithideth, governor of Thathome district in Xaysomboun province, told RFA on Sept. 17 that the construction of the reservoir was faulty because it was built on marshland.

“It is a natural marsh on which they [the project developer] built a dike surrounding the reservoir,” he said.

“The reservoir could not handle a huge discharge of water because the dike, which was not constructed on strong ground, broke,” he said.

Officials are waiting for reports on the extent of the damage to fields and ponds to be completed, Somboun said

“Bothong Inter Group in cooperation with district officials is helping to restore the water supply and electricity systems,” he said. “We are waiting for reports on the damage to paddies, fields, and fish ponds.”

Floodwater has cut off Road D1 between Paksan district in Bolikhamxay province and Phaxay district in Xieng Khouang province, according to a report by KPL, the Lao News Agency.

Construction is ongoing

Bothong Inter Group began construction on the small 15-megawatt dam on the Nam Ao River in 2015.

About 85 percent of the construction is completed, and the dam is expected to be fully operational early next year, according to a report by KPL, the Lao News Agency.

Villagers have fled to higher ground, and no injuries or deaths have been reported, it said.

Officials at the Ministry of Natural Resources and Environment are probing the cause of the incident and estimating the damage it has caused, the report said.

Laos and other Southeast Asian countries are on a dam-building spree as they try to harness the power of the Mekong and other rivers.

Though the Lao government sees power generation as a way to boost the country’s economy, the projects are controversial because of their environmental impacts, displacement of villagers, and questionable financial arrangements.

Reported by RFA's Lao Service. Translated by Ounkeo Souksavanh. Written in English by Roseanne Gerin.

Comments (4)

Anonymous Reader

Barking Lao losers! use your foamed brain before you write!

Aug 22, 2018 08:52 AM

Anonymous Reader

This is the largest mud-party I've ever seen in my life. Please do have a good time Laos while you can.

Sep 23, 2017 01:44 PM

Anonymous Reader

It's like people trying to escape from King Kong. Hollywood must make a movie out of this fun part of life in Laos and sign up Tom Cruise too.

Sep 23, 2017 01:33 AM

Anonymous Reader

Awesome ! It's like in an American movie from Hollywood.There will be more movies of this kind - 200 - to be shown in Laos. Go on dear Lao leaders, go on killing your country and your people. There's no doubt that is what you want. You're already multi-billionaires why do want more money? Your greed has no limit huh.

Sep 21, 2017 11:49 AM





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