🇮🇶 Iraq · Hydraulic works
Nimrud Dam
Neo-Assyrian Empire 879-612 BCE · Assyrian Neo-Assyrian imperial engineers
879 BCE Assyrian Tigris weir dam (200 m) at Nimrud with 5 gated sluices feeding Sennacherib's canal cascade to Nineveh.
🇹🇷 Turkey · Hydraulic works
Hasankeyf Euphrates Side Canal (Upper Tigris Hasankeyf Rock-Cut Canal)
Roman 180 to Artuqid 1150 CE (Hasankeyf Upper Tigris) · Roman mesopotamia then Artuqid Hasankeyf (Tigris gorge town)
Artuqid 1150/Roman 180 side canal 1.4 km rock-cut 1.2×1.8 m vaulted 700 m with 6 intakes and 5 shaft aqueducts — orchard 12 ha.
🇮🇶 Iraq · Hydraulic works
Nimrud Dam and Canal on the Tigris (Nimrud Foothill Dam)
Neo-Assyrian (Ashurnasirpal II) · Assyrian Imperial (Kalhu capital phase)
Kalhu's Tigris diversion rubble dam 40-m with 27-km Patti-hegalli canal 883 BCE.
🇹🇷 Turkey · Ancient city
Hasankeyf
Assyrian to Ottoman (12th c. BCE–1920); peak Artukid–Ayyubid 12th–13th century · Assyrian → Roman → Byzantine → Artukid Kurdish → Ayyubid → Ottoman
Cliff-cut Tigris citadel with 10,000 caves, Artukid bridge and salvage-relocated Timurid tomb now under reservoir.