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67 strategic reservoirs

22 countries & shared systems · reviewed engineering joins

72 of 72 rivers scored
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RiverData.org · infrastructure intelligence

Dams

A curated European register of strategic dams and reservoirs: the rivers they regulate, the jobs they do, and the published engineering record behind them.

Dams & reservoirs
67strategic reservoirs
22countries & systems
55engineering records
46 km³referenced capacity
67 shown
Serre-PonçonFranceDurance → Rhôneriver systemHydropower · irrigation · supplyprincipal rolesDetails
Completed
1960
Dam height
129 m
Capacity
1,300 million m³
Catchment
3,564 km²

Serre Poncon · 3: Fair.

Sainte-CroixFranceVerdon → Duranceriver systemHydropower · regional supplyprincipal rolesDetails
Completed
1974
Dam height
95 m
Capacity
800 million m³
Catchment
1,563 km²

Sainte Croix · 3: Fair.

VouglansFranceAin → Rhôneriver systemHydropower · flow regulationprincipal rolesDetails
Completed
1968
Dam height
130 m
Capacity
605 million m³
Catchment
1,075 km²

Vouglans · 3: Fair.

BleilochGermanySaale → Elberiver systemHydropower · flood regulationprincipal rolesDetails
Completed
1932
Dam height
65 m
Capacity
215 million m³
Catchment
1,230 km²

Bleiloch · 3: Fair.

RappbodeGermanyBode → Saaleriver systemDrinking water · flood regulationprincipal rolesDetails
Completed
1959
Dam height
106 m
Capacity
109.1 million m³
Catchment
116 km²

Rappbode · 2: Good.

EderseeGermanyEder → Weserriver systemNavigation support · flood regulationprincipal rolesDetails
Completed
1914
Dam height
41 m
Capacity
202.4 million m³
Catchment
1,422 km²

Eder · 3: Fair.

La SerenaSpainZújar → Guadianariver systemIrrigation · supply · flood regulationprincipal rolesDetails
Completed
1989
Dam height
88 m
Capacity
3,231.8 million m³
Catchment
7,426 km²

La Serena · 3: Fair.

AlcántaraSpainTagusriver systemHydropower · strategic storageprincipal rolesDetails
Completed
1969
Dam height
135 m
Capacity
3,162 million m³
Catchment
51,613 km²

Alcantara 2 · 3: Fair.

MequinenzaSpainEbroriver systemHydropower · irrigation regulationprincipal rolesDetails
Completed
1966
Dam height
81 m
Capacity
1,533.8 million m³
Catchment
57,097 km²

Mequinenza · 3: Fair.

ReschenseeItalyAdigeriver systemHydropower · Alpine storageprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

Santa GiustinaItalyNoce → Adigeriver systemHydropower · flow regulationprincipal rolesDetails
Completed
1950
Dam height
153 m
Capacity
182.8 million m³
Catchment
1,039 km²

Santa Giustina · 2: Good.

Kielder WaterUnited KingdomNorth Tyneriver systemRegional water supplyprincipal rolesDetails
Completed
1982
Dam height
55 m
Capacity
200 million m³
Catchment
243 km²

Kielder · 3: Fair.

Rutland WaterUnited KingdomNene transfer systemriver systemDrinking water supplyprincipal rolesDetails
Completed
1975
Dam height
40 m
Capacity
124 million m³
Catchment
77 km²

Empingham · 3: Fair.

BlåsjøNorwayUlla–Førre systemriver systemHydropower · seasonal energy storageprincipal rolesDetails
Completed
1987
Dam height
90 m
Capacity
2,325 million m³
Catchment
182 km²

Storvatn · 3: Fair · multi-dam system.

StorglomvatnetNorwayFykan water systemriver systemHydropower · strategic storageprincipal rolesDetails
Completed
1997
Dam height
125 m
Capacity
3,500 million m³
Catchment
287 km²

Storglomvatn · 3: Fair.

Grande DixenceSwitzerlandRhône headwatersriver systemHydropower · Alpine seasonal storageprincipal rolesDetails
Completed
1961
Dam height
285 m
Capacity
400 million m³
Catchment
46 km²

Grande Dixence · 3: Fair · multi-dam system.

KölnbreinAustriaMalta → Dravariver systemHydropower · pumped storageprincipal rolesDetails
Completed
1977
Dam height
200 m
Capacity
205 million m³
Catchment
44 km²

Koelnbrein · 2: Good.

SolinaPolandSan → Vistulariver systemHydropower · flood regulationprincipal rolesDetails
Completed
1968
Dam height
82 m
Capacity
474 million m³
Catchment
1,172 km²

Solina · 3: Fair.

WłocławekPolandVistulariver systemHydropower · main-stem regulationprincipal rolesDetails
Completed
1970
Dam height
24 m
Capacity
408 million m³
Catchment
170,890 km²

Wloclawek · 2: Good.

CzorsztynPolandDunajec → Vistulariver systemFlood regulation · hydropowerprincipal rolesDetails
Completed
1997
Dam height
60 m
Capacity
234.5 million m³
Catchment
1,140 km²

Czorsztyn-Niedzica · 2: Good.

OrlíkCzechiaVltava → Elberiver systemHydropower · Vltava cascade regulationprincipal rolesDetails
Completed
1963
Dam height
91 m
Capacity
716.5 million m³
Catchment
12,025 km²

Orlik · 3: Fair.

Iron Gate IRomania / SerbiaDanuberiver systemHydropower · navigation · transboundary flowprincipal rolesDetails
Completed
1972
Dam height
60 m
Capacity
2,550 million m³
Catchment
560,682 km²

Iron Gate 1 · 2: Good.

GabčíkovoSlovakia / HungaryDanuberiver systemHydropower · navigation · flow controlprincipal rolesDetails
Completed
1995
Dam height
24 m
Capacity
160 million m³
Catchment
131,206 km²

Hrusov · 3: Fair.

Lac du Der-ChantecoqFranceMarne → Seineriver systemFlood regulation · low-flow supportprincipal rolesDetails
Completed
1974
Dam height
22 m
Capacity
364.5 million m³
Catchment
90 km²

Giffaumont · 3: Fair.

Lac d’OrientFranceSeineriver systemFlood regulation · low-flow supportprincipal rolesDetails
Completed
1965
Dam height
26 m
Capacity
217 million m³
Catchment
46 km²

Morge et Beaumont · 3: Fair.

Lac du TempleFranceAube → Seineriver systemFlood regulation · low-flow supportprincipal rolesDetails
Completed
1989
Dam height
22 m
Capacity
162.5 million m³
Catchment
56 km²

Brevonnes · 3: Fair.

MöhnetalsperreGermanyMöhne → Ruhrriver systemRegional supply · flow regulationprincipal rolesDetails
Completed
1913
Dam height
40 m
Capacity
140.8 million m³
Catchment
419 km²

Moehne · 1: Verified.

ListertalsperreGermanyLister → Biggeriver systemWater supply · hydropowerprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

WahnbachtalsperreGermanyWahnbach → Siegriver systemDrinking water supplyprincipal rolesDetails
Completed
1958
Dam height
53 m
Capacity
41.4 million m³
Catchment
73 km²

Wahnbach · 2: Good.

BaldeneyseeGermanyRuhrriver systemFlow regulation · recreationprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

Itoiz ReservoirSpainIrati → Ebroriver systemIrrigation · regional supplyprincipal rolesDetails
Completed
2003
Dam height
128 m
Capacity
586 million m³
Catchment
497 km²

Itoiz Dam · 2: Good.

BarasonaSpainÉsera → Ebroriver systemIrrigation · hydropowerprincipal rolesDetails
Completed
1932
Dam height
66 m
Capacity
92.2 million m³
Catchment
1,516 km²

Barasona · 3: Fair.

San SalvadorSpainCinca system → Ebroriver systemIrrigation storageprincipal rolesDetails
Completed
2013
Dam height
51 m
Capacity
124 million m³
Catchment
27 km²

San Salvador · 3: Fair.

La LotetaSpainEbro transfer systemriver systemRegional supply · regulationprincipal rolesDetails
Completed
2010
Dam height
34 m
Capacity
104.8 million m³
Catchment
35 km²

La Loteta · 2: Good.

Chew Valley LakeUnited KingdomChew → Avonriver systemDrinking water supplyprincipal rolesDetails
Completed
1956
Dam height
13 m
Capacity
20.5 million m³
Catchment
67 km²

Chew Stoke · 2: Good.

Hanningfield ReservoirUnited KingdomChelmer transfer systemriver systemDrinking water supplyprincipal rolesDetails
Completed
1958
Dam height
18 m
Capacity
27.7 million m³
Catchment
14 km²

Hanningfield · 3: Fair.

Wraysbury ReservoirUnited KingdomThames supply systemriver systemLondon water supplyprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

Farmoor ReservoirUnited KingdomThames supply systemriver systemRegional water supplyprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

Queen Elizabeth II ReservoirUnited KingdomThames supply systemriver systemLondon water supplyprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

WägitalerseeSwitzerlandWägitaler Aa → Limmatriver systemHydropower storageprincipal rolesDetails
Completed
1924
Dam height
111 m
Capacity
150 million m³
Catchment
38 km²

Schrah · 3: Fair.

GrimselseeSwitzerlandAare → Rhineriver systemHydropower · Alpine storageprincipal rolesDetails
Completed
1932
Dam height
114 m
Capacity
101 million m³
Catchment
100 km²

Spitallamm · 3: Fair · multi-dam system.

Lago RitomSwitzerlandTicino → Poriver systemHydropower storageprincipal rolesDetails
Completed
1920
Dam height
27 m
Capacity
53.9 million m³
Catchment
27 km²

Piora · 4: Poor.

Laghi di CancanoItalyAdda → Poriver systemHydropower · Alpine seasonal storageprincipal rolesDetails
Completed
1956
Dam height
136 m
Capacity
123 million m³
Catchment
43 km²

Cacano · 3: Fair.

Lac de SalanfeSwitzerlandRhône headwatersriver systemHydropower storageprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

GigerwaldseeSwitzerlandTamina → Rhineriver systemHydropower storageprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

Lac des ToulesSwitzerlandDranse → Rhôneriver systemHydropower storageprincipal rolesDetails
Completed
1963
Dam height
86 m
Capacity
20.1 million m³
Catchment
38 km²

Les Toules · 3: Fair.

Vieux ÉmossonSwitzerlandRhône headwatersriver systemPumped storage · hydropowerprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

VillerestFranceLoireriver systemFlood regulation · low-flow supportprincipal rolesDetails
Completed
1984
Dam height
70 m
Capacity
200 million m³
Catchment
6,551 km²

Villerest · 3: Fair.

NaussacFranceAllier → Loireriver systemLow-flow support · regional supplyprincipal rolesDetails
Completed
1981
Dam height
51 m
Capacity
200 million m³
Catchment
52 km²

Naussac · 3: Fair.

Lac de la Plate TailleBelgiumEau d’Heure → Sambreriver systemFlow regulation · hydropowerprincipal rolesDetails
Completed
1978
Dam height
43 m
Capacity
66.5 million m³
Catchment
9 km²

Plate Taille · 2: Good.

Lacs de l’Eau d’HeureBelgiumEau d’Heure → Sambreriver systemFlow regulation · regional reserveprincipal rolesDetails
Completed
1978
Dam height
35 m
Capacity
14.8 million m³
Catchment
80 km²

Eau d'Heure · 3: Fair · multi-dam system.

Coo pumped-storage upper basinBelgiumAmblève → Meuseriver systemPumped storage · grid balancingprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

De GijsterNetherlandsMeuse supply systemriver systemDrinking water bufferprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

PetrusplaatNetherlandsMeuse supply systemriver systemDrinking water bufferprincipal rolesDetails
Completed
Not in reference
Dam height
Capacity
Catchment

The site is in the strategic reservoir register; a reviewed Global Dam Watch engineering join is not yet published.

AlquevaPortugalGuadianariver systemIrrigation · hydropower · strategic storageprincipal rolesDetails
Completed
2002
Dam height
96 m
Capacity
4,150 million m³
Catchment
55,045 km²

Alqueva · 2: Good.

Castelo do BodePortugalZêzere → Tagusriver systemLisbon supply · hydropowerprincipal rolesDetails
Completed
1951
Dam height
115 m
Capacity
1,100 million m³
Catchment
3,962 km²

Castelo do Bode · 3: Fair.

KremastaGreeceAcheloosriver systemHydropower · flood regulationprincipal rolesDetails
Completed
1965
Dam height
160 m
Capacity
4,750 million m³
Catchment
3,681 km²

Kremasta · 3: Fair.

PolyfytosGreeceAliakmonriver systemHydropower · irrigationprincipal rolesDetails
Completed
1974
Dam height
112 m
Capacity
2,244 million m³
Catchment
5,844 km²

Polyphyto · 3: Fair.

Iskar ReservoirBulgariaIskar → Danuberiver systemSofia supply · hydropowerprincipal rolesDetails
Completed
1956
Dam height
74 m
Capacity
700 million m³
Catchment
1,036 km²

Iskar · 3: Fair.

ZhrebchevoBulgariaTundzhariver systemIrrigation · flow regulationprincipal rolesDetails
Completed
1970
Dam height
53 m
Capacity
400 million m³
Catchment
2,214 km²

Jrebchevo · 2: Good.

LokkaFinlandKitinenriver systemHydropower · seasonal regulationprincipal rolesDetails
Completed
1967
Dam height
20 m
Capacity
1,460 million m³
Catchment
4,862 km²

Lokka · 3: Fair.

PorttipahtaFinlandKitinenriver systemHydropower · seasonal regulationprincipal rolesDetails
Completed
1970
Dam height
38 m
Capacity
1,353 million m³
Catchment
919 km²

Porttipahta · 3: Fair.

PerućaCroatiaCetinariver systemHydropower · flow regulationprincipal rolesDetails
Completed
1958
Dam height
67 m
Capacity
565.3 million m³
Catchment
409 km²

Peruca · 2: Good.

DubravaCroatiaDrava → Danuberiver systemHydropower · flow regulationprincipal rolesDetails
Completed
1989
Dam height
24 m
Capacity
93.5 million m³
Catchment
15,844 km²

Dubrava · 2: Good.

Kaunas ReservoirLithuaniaNemanriver systemHydropower · flood regulationprincipal rolesDetails
Completed
1960
Dam height
16 m
Capacity
500 million m³
Catchment
44,736 km²

Kauno · 3: Fair.

Riga ReservoirLatviaDaugavariver systemHydropower · urban waterway regulationprincipal rolesDetails
Completed
1976
Dam height
35 m
Capacity
340 million m³
Catchment
83,581 km²

Riga · 3: Fair.

Dnieper ReservoirUkraineDnieperriver systemHydropower · navigation · water supplyprincipal rolesDetails
Completed
1932
Dam height
62 m
Capacity
3,320 million m³
Catchment
469,069 km²

Dniepr · 3: Fair.

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