Mekong River Monitoring

Last Week’s Situations

Last week, 5 to 11 Jan 2021, water levels (WLs) along the lower Mekong River in Thailand’s Chiang Saen slightly increased about 0.03 metre above its long-term average (LTA). Water level at Lao PDR’s Luang Prabang was increased about 1.29 metre above its LTA due to the influence of dam operations upstream and Xayaburi. WLs at the monitoring stations from Chiang Khan, Vientiane to Nong Khai in Lao PDR and Thailand decreased below their LTAs, close to the same values as the year 2019. WLs at Thailand’s Nong Khai and Lao PDR’s Paksane decreased below their minimum levels, considered as very critical. This low water level is probably due to the influence of upstream dam operation. WLs at Nakhon Phanom to Pakse in Lao PDR and Thailand slightly decreased below their LTAs. WLs in Cambodia’s Stung Treng and Kratie slightly increased above their LTAs, but from Kompong Cham to Neak Luong on the Mekong River, Chaktomuk to Koh Khel on the Bassac River and Prekdam on the Tonle Sap River increased below their LTAs. For the tidal stations at Viet Nam’s Tan Chau and Chau Doc, WLs fluctuated with their LTAs due to daily tidal effects from the sea.

Next Week’s Trends

Next week, from 12-18 Jan 2021, WLs along the lower Mekong River from Thailand’s Chiang Saen will slightly increase, but still below its LTA, while water level at Lao PDR’s Luang Prabang will continue increase above its LTA and stay close to its Maximum level. From Thailand’s Chiang Khan to Lao PDR’s Vientiane will decrease, follows the same trends from upstream and remain below their LTAs, except at Nong Khai and Paksane in Thailand and Lao PDR, the water levels at these stations are below their historical minimum levels. Water levels from Nakhon Phanom to Pakse in Lao PDR and Thailand will likely decrease below their LTAs, and from Cambodia’s Stung Treng to Kratie will decrease but still stay above their LTAs, while from Neak Luong on the Mekong River, Chaktomuk to Koh Khel on the Bassac River and Prekdam on the Tonle Sap River will decrease below their LTAs. For the tidal stations at Viet Nam’s Tan Chau and Chau Doc will likely fluctuate below their LTAs, effected by the tidal process.

For more details on the near-real-time monitoring data for each station click here

Location Last week's situation (Jan 5-11) Trend for next week
(Jan 12-18)
Subregion
Below Min Below LTAs Above LTAs Above Max
Chiang Saen Upper Part
Luang Prabang
Chiang Khan
Vientiane
Nakhon Phanom Middle Part
Mukdahan
Pakse
Stung Treng Lower Part
Kratie
Kompong Cham
Phnom Penh (Bassac)
Tan Chau Delta
Chau Doc
Select station

The MRC Regional Flood and Drought Management Centre (RFDMC) issues weekly drought and river flow monitoring and forecasts during the dry season.

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Promote and coordinate sustainable management and development of water and related resources for the mutual benefits of the lower Mekong countries and the people's well-being.

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The MRC supports a basin-wide planning process based on principles of Integrated Water Resources Management (IWRM). We provide a wide array of advisory and technical assistance to help the lower Mekong countries promote sustainability in major areas of development.

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The MRC Functions are designed to help the lower Mekong countries build consensus around solutions that ensure a sustainable future for the Mekong and its people through basin monitoring, assessment, data and information sharing, and dialogue and cooperation.

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