Databases
International
GloboLakes: high-resolution global limnology dataset
Global Lakes and Wetlands Database 
(GLWD)
Global Lake area, Climate, and Population dataset (GLCP)
Global Reservoir and Dam Database (GranD)
Global Lake Database (GLDB)
Dams, lakes and reservoirs database (World Water Development Report II)
Database for Hydrological Time Series of Inland Waters (DAHITI)
StreamPULSE: High frequency stream metabolism data
GEMS-GLORI world river discharge database
Greenhouse gas emissions from lakes and impoundments (Delsontro et al. 2018)
Global Lake and River Ice Phenology Database
Global Surface Water Dataset (GSW)
Global Reservoir Surface Area Dataset (GRSAD)
Global Reservoir Geometry Database (ReGeomData)
Near-global environmental information for freshwater ecosystems in 1km resolution (EarthEnv)
Reservoir and Lake Surface Area Timeseries-Reservoirs (ReaLSAT-R)
Global River Chemistry Database (GLORICH)
Global Water Chemistry Database (GLOWACHEM)
Global Reservoirs and Lakes Monitor (G-REALM)
Time series of water levels in the rivers and lakes around the world (Hydroweb)
Global Georeferenced Database of Dams (GOODD)
Global River Widths from Landsat Database (GRWL)
Simulated Topological Networks (STN)
Lake origin/formation classifications (Sharma and Bryne. 2011) See supplement(s)
Global Streamflow Indices and Metadata Archive (GSIM)
USA
USA National Lakes Assessment (NLA)
USA National Eutrophication Survey (NES)
USA National Hydography Dataset (NHD)
USA National Inventory of Dams (NID)
USA National Water Information System (NWIS)
USA Geographic Names Information System (GNIS)
American Rivers Dam Removal List
USGS Dam Removal Science Database
National Lake Morphometry Database
A Reservoir Morphology Database for the Conterminous United States
National Water-Quality Assessment Program (NAWQA)
The Hydro Network-Linked Data Index (NLDI)
Dam Metrics Representing Stream Fragmentation and Flow Alteration
National Anthropogenic Barrier Dataset (NABD)
National Surface Water Survey (NSWS)
AquaSat: A Data Set to Enable Remote Sensing of Water Quality for Inland Waters
CAMELS: Large-Sample Hydrometeorological Dataset
SPARROW: simulated streamflow, nutrient and suspended-sediment loads in the United States
Canada
Canada Hydro Features Database (Canvec)
National Water Data Archive (HYDAT)
Europe
European Environment Agency - Waterbase (EEA)
Water Framework Directive - Catchment Data Explorer
UK
UK - Water Framework Directive - Waterbodies (WFD)
Environment Agency - Water Quality Archive
UK National River Flow Archive (NRFA)
Australia
Australian Hydrological Geospatial Fabric (AHGF)
Sweden
Water Information System Sweden
SLU - long-term monitoring of lakes
Switzerland
National long-term surveillance of Swiss rivers (NADUF)
Netherlands
Rijkswaterstaat (“National Waterlevels”)
Regional
North America
North American River Width Data Set (NARWidth)
Connecticut
Connecticut Lake Bathymetry Contours
Florida
Minnesota
MN DNR (LakeFinder)
Lake Bathymetric Outlines, Contours, Vegetation, and DEM
New York
Adirondack Lakes Survey (ALS)
Ontario
Provincial (Stream) Water Quality Monitoring Network
Oregon
Wisconsin
Vermont
Eastern US
Lake multi-scaled geospatial and temporal database (LAGOSNE)
Western US
Georeferenced Lake Nutrient Chemistry Database (GLNC)
British Columbia
North American Great Lakes
Great Lakes Hydrography Dataset (GLHD)
Models
Advanced Lake Biogeochemistry Model (ALBM)
Environmental Fluid Dynamics Code (EFDC)
General Lake Model (GLM)
HYdrological Predictions for the Environment (HYPE)
Precipitation Runoff Modeling System (PRMS)
Raven Hydrological Modelling Framework
Variable Infiltration Capacity Model (VIC)
Water Ecosystems Tool (WET, GOTM-FABM-PCLake)