Reservoirs.EARTH
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30
Countries tracked
2,567
Reservoirs tracked
51.3%
Global average fill
268
At critically low levels
1,548 km³
Combined capacity
Updated Oct 26, 2026 · 2,466 reservoirs reporting
MITECO official data
Spain
Average fill
56.8%
401 reservoirs
SNIRH official data
Portugal
Average fill
85.0%
51 reservoirs
USGS NWIS data
United States
Average fill
55.9%
706 reservoirs
ONS official data
Brazil
Average fill
60.3%
102 reservoirs
CWC official data
India
Average fill
59.4%
318 reservoirs
DWS official data
South Africa
Average fill
96.4%
218 reservoirs
IRSA official data
Pakistan
Average fill
72.0%
3 reservoirs
BOM official data
Australia
Average fill
62.6%
281 reservoirs
XM data · energy (GWh)
Colombia
Average fill
76.6%
24 reservoirs
WRA official data
Taiwan
Average fill
62.4%
21 reservoirs
RID official data
Thailand
Average fill
84.0%
35 reservoirs
IWRMC official data
Iran
Average fill
42.2%
45 reservoirs
WSD official data
Hong Kong
Average fill
85.5%
17 reservoirs
WUC official data
Botswana
Average fill
82.1%
9 reservoirs
Maa Dialna official data
Morocco
Average fill
65.9%
22 reservoirs
DWS weekly table
Lesotho
Average fill
93.7%
2 reservoirs
DWS weekly table · Maguga
Eswatini
Average fill
99.9%
1 reservoir
ZINWA official data
Zimbabwe
Average fill
84.6%
152 reservoirs
ZRA · Lake Kariba, whole lake
Zambia
Average fill
34.6%
1 reservoir
DGREH official data
Burkina Faso
Average fill
90.7%
21 reservoirs
MOEW official data
Bulgaria
Average fill
64.1%
51 reservoirs
DGA official data
Chile
Average fill
59.0%
25 reservoirs
WDD official data
Cyprus
Average fill
36.6%
21 reservoirs
USGS/PREPA · water level (m)
Puerto Rico
Below seasonal norm
15 / 19
19 reservoirs
NVE data · energy (TWh)
Norway
Average fill
69.3%
5 price areas
SYKE data · energy (GWh)
Finland
Average fill
71.8%
1 national series
RTE hydraulic stock · named reservoirs
France
Average fill
51.2%
1 national series
ADMIE filling rate · EYDAP m³
Greece
Average fill
38.4%
16 filling rates
Povodí Labe, Odry, Morava
Czechia
Average fill
68.9%
51 reservoirs
Meridian/NZX · energy (GWh)
New Zealand
Average fill
69.2%
5 storage areas