Dams of the Greater Mekong
You are free to view and download this dataset, subject to copyright conditions described below. Under no circumstances should users change the dataset. Users are encouraged to send additional data, corrections and/or observations to the following email address:
This data set is populated, curated and managed by the Greater Mekong CGIAR Research Program on Water, Land and Ecosystems (WLE) from its regional base in Vientiane, Lao PDR. The datasets list all known (and unknown) dams in four Greater Mekong river basins, and provide the following additional information (where available): The name of the project; any alternative names, the country in which it is located, the river on which it is located, the dam's location (decimal degrees, latitude/longitude), the dam's function (hydropower, irrigation etc.), its status (commissioned, under construction, etc.), year of commissioning, installed capacity (if appropriate), average annual electricity production (if appropriate), the irrigation area it is intended to serve (if appropriate), the dam's height, its crest length, its total storage (at Full Supply Level), its maximum reservoir area (at Full Supply Level), the number of people the dam has or will displace, the estimated cost of developing the dam, the destination of its power supply (if appropriate), the financiers of the dam, its developers, and its owners, and, finally, the concession period (if appropriate).
The primary focus of this initiative has been to identify every hydropower or multiple use dam of 15 MW installed capacity or above; and/or every irrigation or water supply dam with a reservoir area of 0.5 km2 or above in the Irrawaddy, Mekong, Red and Salween river basins.
Dam Locations: location of existing/under construction dams have been identified via Google Earth Pro. Insofar as planned dams are concerned, a variety of sources have been utilized including published maps, news reports describing their location, websites providing its locations, and other freely available datasets. For each dam identified in the set, data provenance is described in the notes in Column AD in each of the spreadsheets. Other data have been detected in research publications, reports, websites, new reports, and more.
Basin designations: for each dam identified, the river basin (not catchment) has been identified. Catchment boundaries and names are derived from the Food and Agriculture Organization's 'Map of Major River Basins and Sub-basins in South East Asia':
The locations of existing dams are accurate. The locations of planned dams are typically estimated unless alternative irrefutable data are available. Where estimation has occurred, this is noted in Column AD for each of the data sets. Technical specifications for planned dams are prone to change as planning advances. If changes are detected, the data sets are updated.
This data set covers the countries of the Greater Mekong: Cambodia, China (Yunnan Province), Lao PDR, Myanmar, Thailand and Vietnam. In addition, the data set also organizes the data into four river basins: the Irrawaddy, the Mekong, the Red and the Salween.
The data set is constantly maintained. The date of the latest update is included in the file title.
These data are licensed under a Creative Commons Attribution Non-Commercial–No Derivs 3.0 Unported License. The data may be freely quoted and reproduced provided the source is acknowledged. If reproduced in whole or in part, no part of the information or nomenclature used in the data sets may changed or altered without the written permission of the copyright holders. The data may not be used in whole or in part for resale or other commercial purposes.
WLE (insert year of download), Dataset on the Dams of the Irrawaddy, Mekong, Red and Salween River Basins. Vientiane, Lao PDR: CGIAR Research Program on Water, Land and Ecosystems - Greater Mekong
Where dams have been identified that lie outside of the focus of this initiative (see 'Focus' above), these have been included, but the cell for 'Installed Capacity' is highlighted in yellow to denote that it is a dam below 15MW.
Empty cells indicate that the data are not available to us. In a few cases, there are dams that we know to exist, but we have been unable to locate them - hence, the location cells are empty.
An 'unknown' dam is a one that has been detected via Google Earth, but for which we have been unable to obtain further details (including its name). In the datasets, a dam identified as 'unknown' usually has a digit proceeding its title (e.g. 'Unknown 1', 'Unknown 2', etc). This exists for our own in-house mapping purposes to allow us to distinguish between one unknown dam from another.
Coordinates provided have been determined via Google Earth Pro in 'satellite view'. There are usually small differences between locations in this view and with Google Maps' 'map view'.
WLE Greater Mekong welcomes corrections, observations, questions or contributions to these data sets, which can be sent to the curators at https://wle-mekong.cgiar.org/
While very effort has been made to confirm the accuracy of these data, WLE Greater Mekong, DFAT, or any other partner associated with the WLE Greater Mekong Program cannot be held responsible for any inaccuracies or omissions in this dataset. The designation and names of geographical entities on this map do not imply the expression of any opinion whatsoever on the part of DFAT, WLE Greater Mekong, or any associated partners on the legal status of any country, territory, or area, or of its authorities or concerning the delimitation of its frontiers or boundaries or of the nomenclature deployed in its identification.
WLE Greater Mekong gratefully acknowledges the financial support of the Australian Department of Foreign Affairs and Trade (DFAT), which contributed resources towards the development of these data sets, and their continued maintenance. In addition, WLE Greater Mekong acknowledges the support and input of: the Asia International Rivers Center at Yunnan University, PR China; the Institute of Water Resources Planning, Hanoi, Viet Nam; the Department of Irrigation at the Ministry of Agriculture and Irrigation, Myanmar; the Department of Hydropower Implementation at the Ministry of Electricity and Energy, Myanmar; and Electricité du Lao, Lao PDR.
AIRC: Asian International Rivers Center (Yunnan University, PR China).
COD: Commercial Operation Date (i.e. when the dam was commissioned).
DHI/MEE: Department of Hydropower Implementation, Ministry of Electricity and Energy (Myanmar).
DN: Dong Nai (River Basin).
DoI/MoAI: Department of Irrigation, Ministry of Agriculture and Irrigation (Myanmar).
EdL: Electricité du Lao.
EGAT: Electricity Generating Authority of Thailand.
FSL: Full Supply Level.
HPD: Hydropower Dam.
ID: Irrigation Dam.
IRR: Irrawaddy (River Basin).
IWRP: Institute of Water Resources Planning (Viet Nam).
LAO: Lao PDR.
MEK: Mekong (River Basin).
MCo: Myanmar Coast (River Basin).
MPD: Multi-purpose Dam.
MYN: Myanmar. n/a: Not applicable.
RED: Red (River Basin).
RIB: Royal Irrigation Department (Thailand).
SAL: Salween (River Basin).
SIT: Sittaung (River Basin)
UCON: Under construction.
VN: Viet Nam.
WSD: Water Storage Dam.
Data Set on the Dams of the Greater Mekong: