23 countries & shared systems · reviewed engineering joins
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A curated European register of strategic dams and reservoirs: the rivers they regulate, the jobs they do, and the published engineering record behind them.
Serre-PonçonFranceDurance → Rhôneriver systemHydropower · irrigation · supplyprincipal roles
- 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 roles
- Completed
- 1974
- Dam height
- 95 m
- Capacity
- 800 million m³
- Catchment
- 1,563 km²
Sainte Croix · 3: Fair.
VouglansFranceAin → Rhôneriver systemHydropower · flow regulationprincipal roles
- Completed
- 1968
- Dam height
- 130 m
- Capacity
- 605 million m³
- Catchment
- 1,075 km²
Vouglans · 3: Fair.
BleilochGermanySaale → Elberiver systemHydropower · flood regulationprincipal roles
- Completed
- 1932
- Dam height
- 65 m
- Capacity
- 215 million m³
- Catchment
- 1,230 km²
Bleiloch · 3: Fair.
RappbodeGermanyBode → Saaleriver systemDrinking water · flood regulationprincipal roles
- Completed
- 1959
- Dam height
- 106 m
- Capacity
- 109.1 million m³
- Catchment
- 116 km²
Rappbode · 2: Good.
EderseeGermanyEder → Weserriver systemNavigation support · flood regulationprincipal roles
- 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 roles
- Completed
- 1989
- Dam height
- 88 m
- Capacity
- 3,231.8 million m³
- Catchment
- 7,426 km²
La Serena · 3: Fair.
AlcántaraSpainTagusriver systemHydropower · strategic storageprincipal roles
- Completed
- 1969
- Dam height
- 135 m
- Capacity
- 3,162 million m³
- Catchment
- 51,613 km²
Alcantara 2 · 3: Fair.
MequinenzaSpainEbroriver systemHydropower · irrigation regulationprincipal roles
- Completed
- 1966
- Dam height
- 81 m
- Capacity
- 1,533.8 million m³
- Catchment
- 57,097 km²
Mequinenza · 3: Fair.
ReschenseeItalyAdigeriver systemHydropower · Alpine storageprincipal roles
- 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 roles
- 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 roles
- Completed
- 1982
- Dam height
- 55 m
- Capacity
- 200 million m³
- Catchment
- 243 km²
Kielder · 3: Fair.
Rutland WaterUnited KingdomNene transfer systemriver systemDrinking water supplyprincipal roles
- Completed
- 1975
- Dam height
- 40 m
- Capacity
- 124 million m³
- Catchment
- 77 km²
Empingham · 3: Fair.
BlåsjøNorwayUlla-Førre systemriver systemHydropower · seasonal energy storageprincipal roles
- 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 roles
- Completed
- 1997
- Dam height
- 125 m
- Capacity
- 3,500 million m³
- Catchment
- 287 km²
Storglomvatn · 3: Fair.
Grande DixenceSwitzerlandRhône headwatersriver systemHydropower · Alpine seasonal storageprincipal roles
- 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 roles
- Completed
- 1977
- Dam height
- 200 m
- Capacity
- 205 million m³
- Catchment
- 44 km²
Koelnbrein · 2: Good.
SolinaPolandSan → Vistulariver systemHydropower · flood regulationprincipal roles
- Completed
- 1968
- Dam height
- 82 m
- Capacity
- 474 million m³
- Catchment
- 1,172 km²
Solina · 3: Fair.
WłocławekPolandVistulariver systemHydropower · main-stem regulationprincipal roles
- Completed
- 1970
- Dam height
- 24 m
- Capacity
- 408 million m³
- Catchment
- 170,890 km²
Wloclawek · 2: Good.
CzorsztynPolandDunajec → Vistulariver systemFlood regulation · hydropowerprincipal roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- Completed
- 1989
- Dam height
- 22 m
- Capacity
- 162.5 million m³
- Catchment
- 56 km²
Brevonnes · 3: Fair.
MöhnetalsperreGermanyMöhne → Ruhrriver systemRegional supply · flow regulationprincipal roles
- Completed
- 1913
- Dam height
- 40 m
- Capacity
- 140.8 million m³
- Catchment
- 419 km²
Moehne · 1: Verified.
ListertalsperreGermanyLister → Biggeriver systemWater supply · hydropowerprincipal roles
- 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 roles
- Completed
- 1958
- Dam height
- 53 m
- Capacity
- 41.4 million m³
- Catchment
- 73 km²
Wahnbach · 2: Good.
BaldeneyseeGermanyRuhrriver systemFlow regulation · recreationprincipal roles
- 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 roles
- Completed
- 2003
- Dam height
- 128 m
- Capacity
- 586 million m³
- Catchment
- 497 km²
Itoiz Dam · 2: Good.
BarasonaSpainÉsera → Ebroriver systemIrrigation · hydropowerprincipal roles
- Completed
- 1932
- Dam height
- 66 m
- Capacity
- 92.2 million m³
- Catchment
- 1,516 km²
Barasona · 3: Fair.
San SalvadorSpainCinca system → Ebroriver systemIrrigation storageprincipal roles
- Completed
- 2013
- Dam height
- 51 m
- Capacity
- 124 million m³
- Catchment
- 27 km²
San Salvador · 3: Fair.
La LotetaSpainEbro transfer systemriver systemRegional supply · regulationprincipal roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- Completed
- 1924
- Dam height
- 111 m
- Capacity
- 150 million m³
- Catchment
- 38 km²
Schrah · 3: Fair.
GrimselseeSwitzerlandAare → Rhineriver systemHydropower · Alpine storageprincipal roles
- Completed
- 1932
- Dam height
- 114 m
- Capacity
- 101 million m³
- Catchment
- 100 km²
Spitallamm · 3: Fair · multi-dam system.
Lago RitomSwitzerlandTicino → Poriver systemHydropower storageprincipal roles
- 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 roles
- Completed
- 1956
- Dam height
- 136 m
- Capacity
- 123 million m³
- Catchment
- 43 km²
Cacano · 3: Fair.
Lac de SalanfeSwitzerlandRhône headwatersriver systemHydropower storageprincipal roles
- 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 roles
- 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 roles
- Completed
- 1963
- Dam height
- 86 m
- Capacity
- 20.1 million m³
- Catchment
- 38 km²
Les Toules · 3: Fair.
Vieux ÉmossonSwitzerlandRhône headwatersriver systemPumped storage · hydropowerprincipal roles
- 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 roles
- Completed
- 1984
- Dam height
- 70 m
- Capacity
- 200 million m³
- Catchment
- 6,551 km²
Villerest · 3: Fair.
NaussacFranceAllier → Loireriver systemLow-flow support · regional supplyprincipal roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- 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 roles
- Completed
- 1951
- Dam height
- 115 m
- Capacity
- 1,100 million m³
- Catchment
- 3,962 km²
Castelo do Bode · 3: Fair.
KremastaGreeceAcheloosriver systemHydropower · flood regulationprincipal roles
- Completed
- 1965
- Dam height
- 160 m
- Capacity
- 4,750 million m³
- Catchment
- 3,681 km²
Kremasta · 3: Fair.
PolyfytosGreeceAliakmonriver systemHydropower · irrigationprincipal roles
- Completed
- 1974
- Dam height
- 112 m
- Capacity
- 2,244 million m³
- Catchment
- 5,844 km²
Polyphyto · 3: Fair.
Iskar ReservoirBulgariaIskar → Danuberiver systemSofia supply · hydropowerprincipal roles
- Completed
- 1956
- Dam height
- 74 m
- Capacity
- 700 million m³
- Catchment
- 1,036 km²
Iskar · 3: Fair.
ZhrebchevoBulgariaTundzhariver systemIrrigation · flow regulationprincipal roles
- Completed
- 1970
- Dam height
- 53 m
- Capacity
- 400 million m³
- Catchment
- 2,214 km²
Jrebchevo · 2: Good.
LokkaFinlandKitinenriver systemHydropower · seasonal regulationprincipal roles
- Completed
- 1967
- Dam height
- 20 m
- Capacity
- 1,460 million m³
- Catchment
- 4,862 km²
Lokka · 3: Fair.
PorttipahtaFinlandKitinenriver systemHydropower · seasonal regulationprincipal roles
- Completed
- 1970
- Dam height
- 38 m
- Capacity
- 1,353 million m³
- Catchment
- 919 km²
Porttipahta · 3: Fair.
PerućaCroatiaCetinariver systemHydropower · flow regulationprincipal roles
- Completed
- 1958
- Dam height
- 67 m
- Capacity
- 565.3 million m³
- Catchment
- 409 km²
Peruca · 2: Good.
DubravaCroatiaDrava → Danuberiver systemHydropower · flow regulationprincipal roles
- Completed
- 1989
- Dam height
- 24 m
- Capacity
- 93.5 million m³
- Catchment
- 15,844 km²
Dubrava · 2: Good.
Kaunas ReservoirLithuaniaNemanriver systemHydropower · flood regulationprincipal roles
- Completed
- 1960
- Dam height
- 16 m
- Capacity
- 500 million m³
- Catchment
- 44,736 km²
Kauno · 3: Fair.
Riga ReservoirLatviaDaugavariver systemHydropower · urban waterway regulationprincipal roles
- Completed
- 1976
- Dam height
- 35 m
- Capacity
- 340 million m³
- Catchment
- 83,581 km²
Riga · 3: Fair.
Dnieper ReservoirUkraineDnieperriver systemHydropower · navigation · water supplyprincipal roles
- Completed
- 1932
- Dam height
- 62 m
- Capacity
- 3,320 million m³
- Catchment
- 469,069 km²
Dniepr · 3: Fair.
Lake MeadUnited StatesColorado Riverriver systemWater supply · hydropower · drought reserveprincipal roles
- 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.
Lake PowellUnited StatesColorado Riverriver systemWater supply · hydropower · seasonal storageprincipal roles
- 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.
Lake SakakaweaUnited StatesMissouri Riverriver systemFlood control · hydropower · water supplyprincipal roles
- 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.
Lake OaheUnited StatesMissouri Riverriver systemFlood control · hydropower · navigation supportprincipal roles
- 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.
Fort Peck LakeUnited StatesMissouri Riverriver systemFlood control · hydropower · navigation supportprincipal roles
- 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.
Franklin D. Roosevelt LakeUnited StatesColumbia Riverriver systemHydropower · irrigation · flood controlprincipal roles
- 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.
Lake TexomaUnited StatesRed Riverriver systemFlood control · water supply · hydropowerprincipal roles
- 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.
Bull Shoals LakeUnited StatesWhite River → Mississippi Riverriver systemFlood control · hydropowerprincipal roles
- 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.
Shasta LakeUnited StatesSacramento Riverriver systemWater supply · flood control · hydropowerprincipal roles
- 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.
Lake OrovilleUnited StatesFeather River → Sacramento Riverriver systemWater supply · flood control · hydropowerprincipal roles
- 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.