Mekong River Monitoring
Last Week’s Situations
Last week, Jan 12-18, water levels (WLs) along the lower Mekong River in Thailand’s Chiang Saen slightly increased about 0.51 metre above its long-term average (LTA). Water level at Lao PDR’s Luang Prabang was increased about 2.55 metre above its LTA due to the influence of dam operations upstream and Xayaburi. WLs at the monitoring stations from Vientiane to Nong Khai in Lao PDR and Thailand increased below their LTAs, except at Chiang Khan water levels close to the same values of its LTA. WLs at Lao PDR’s Paksane decreased below their minimum level since 4th January 2021 (2 weeks up to today), 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 decreased but still matched with their LTAs, while 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 decreased 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 Jan 19-25, WLs along the lower Mekong River from Thailand’s Chiang Saen will slightly increase, but still above 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 and Thailand’s Nong Khai will decrease, follows the same trends from upstream and remain below their LTAs, except at Paksane in Lao PDR, the water level at these stations is below its historical minimum level. Water levels from Nakhon Phanom to Pakse in Lao PDR and Thailand will continue to decrease below their LTAs, and from Cambodia’s Stung Treng to Kratie will decrease and still stay match with 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 12-18) | Trend for next week
(Jan 19-25) |
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 | ||||||
The MRC Regional Flood and Drought Management Centre (RFDMC) issues weekly drought and river flow monitoring and forecasts during the dry season.
River Monitoring and Forecast Bulletin
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