List of Roman dams and reservoirs

[3] For the most part, it concentrated on the semi-arid fringe of the empire, namely the provinces of North Africa, the Near East, and Hispania.[5] These dams are noteworthy, though, for their extraordinary height, which remained unsurpassed anywhere in the world until the Late Middle Ages.[6] These served a wide array of purposes, such as irrigation, flood control, river diversion, soil-retention, or a combination of these functions.[8] Their engineering prowess, therefore, facilitated the construction of large and novel reservoir dams, which secured a permanent water supply for urban settlements even during the dry season, a common concept today, but little-understood and -employed in ancient times.Previously unknown dam types introduced by the Romans include: The origin of the so-called weir bridges, which were to become a popular design in Iran thereafter, can also be traced to the forced labour of Roman prisoners of war (see Band-e Kaisar).
Cornalvo Dam in Spain, erected in the 1st–2nd century AD
Lake Homs Dam in Syria, erected in 284 AD (photographed 1921)
Cornalvo DamLake Homs Damdam-buildingcivil engineering activitiesRoman aqueductsbridgesearly imperial periodNorth AfricaNear EastHispaniaSubiaco DamsLate Middle Agesembankment damsgravity damsirrigationflood controlhydraulicreservoir damswater supplymortarRoman concreteRoman architectural revolutionHarbaqa Damarchesbuttressesarch-gravity damsarch damsbuttress damsBand-e KaisarRoman EmpireAlmonacid de la Cuba DamProserpina DamAlcantarilla DamErmita de la Virgen del Pilar DamTurkeyArch-gravity damMuel DamGlanum DamFranceArch damKasserine DamTunisiaLa Pared de los MorosLake of Homs damIsraelÇavdarhisarRoman dam of BelasPortugalArévaloEsparragalejo DamButtress damConsuegra DamMuro DamLower Iturranduz DamRoman Dam of Pego da MouraCastillo de Bayuelaarch bridgePuy Foradado DamEl Pont d'ArmenteraValencia del VentosoHigher Iturranduz DamLeptis MagnaMonroyDara Damarch actionProcopiusRoman architectureRoman engineeringWikander, ÖrjanVita-Finzi, ClaudioAntiquityRoman architecture listsAmphitheatresAqueductsBasilicasCanalsCisternsMonolithsPublic bathsSpiral stairsTheatresTriumphal archesVictory columnsWatermillsAncient monumentsFountainsRoman Forum monumentsObelisksLists of Roman sitesSites in SpainVillas in BelgiumVillas in EnglandVillas in WalesArchitectural records of the Greco-Roman World