Global Reservoir and Dam Database, Version 1 (GRanDv1): Reservoirs, Revision 01

Global Reservoir and Dam Database, Version 1, Revision 01 (v1.01) contains 6,862 records of reservoirs and their associated dams with a cumulative storage capacity of 6,197 cubic km. The reservoirs were delineated from high spatial resolution satellite imagery and are available as polygon shape files. The only attribute for the reservoirs is the area of the reservoir. The associated dams data set includes multiple attributes such as name of the dam and the impounded river, primary use, nearest city, area, and year of construction (or commissioning). While the main focus was to include all reservoirs with a storage capacity of more than 0.1 cubic kilometers, many smaller reservoirs were added where data were available. The data were compiled by Lehner et al. (2011) and are distributed by the Global Water System Project (GWSP) and by the Columbia University Center for International Earth Science Information Network (CIESIN). For details please refer to the Technical Documentation which is provided with the data.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated September 15, 2026, 02:21 (UTC)
Created May 18, 2026, 21:52 (UTC)
accessLevel public
bureauCode {026:00}
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harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.7927/H4HH6H08
license https://www.usa.gov/government-works
modified 2026-09-07T22:16:01Z
programCode {026:000}
publisher ESDIS
resource-type Dataset
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source_hash 91dd2b268fb6153853648d6eefcf6c3cf45b2a95ebd2f6eaf1a7580fbc5c9984
source_schema_version 1.1
spatial ["CARTESIAN", [{"WestBoundingCoordinate": -153.04, "NorthBoundingCoordinate": 70.4, "EastBoundingCoordinate": 176.83, "SouthBoundingCoordinate": -45.88}]]
temporal 2011-01-01/2011-12-31
theme {"Earth Science"}