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🇸🇦 Saudi Arabia · Hydraulic works
Abbasid Early Islamic 801–842 CE (Makkah Hajj hydraulic) · Abbasid Makkah Hajj oasis (Zubaydah patron)
Zubaydah west branch 4.2 km ashlar 0.9×0.7 m vaulted 12 m with 14 siphons: Abbasid 801/842 west distributary 0.6‰ to Wadi Fatima.
🇹🇷 Turkey · Hydraulic works
Late Roman to Ottoman (4th–19th c. CE) · East Roman (Byzantine) Constantinople
Valens 971-m double-tier bridge head of 426-km Thracian late Roman water network 373 CE.
🇵🇸 Palestine · Hydraulic works
Iron Age II (Judahite Kingdom, late 8th c. BCE) · Judahite Israelite (Hezekian Jerusalem)
Biblical 533-m S-tunnel 701 BCE two teams meet with 90 cm offset for Assyrian siege.
🇯🇴 Jordan · Hydraulic works
Roman Imperial (1st–3rd c. CE) · Decapolis Greco-Roman city league (Gadara, Adraa, Abila)
Hadrianic 170-km 94%-underground qanat from Daraa to Gadara, longest tunnel aqueduct antiquity.
🇮🇳 India · Hydraulic works
Medieval Indian (Vijayanagara Empire) · Vijayanagara Hindu imperial (Telugu–Kannada)
Vijayanagara 5-km aqueduct with 19 tanks and stepped pushkarani feeding 500k city 14th–16th c.
🇮🇶 Iraq · Hydraulic works
Neo-Assyrian (Sargonid) · Assyrian Imperial (Nineveh hydraulic corps)
Neo-Assyrian 280-m aqueduct bridge 705 BCE carrying Khosr Canal to Nineveh, largest pre-Roman.
🇮🇷 Iran · Hydraulic works
Achaemenid to present (520 BCE–ongoing) · Achaemenid Gonabad oasis (Khorasan piedmont)
South Gonabad gallery 4.1 km with 62 shafts 42 m mother well: Achaemenid 520 BCE saruj, 12 L/s to Ghasemabad saffron.
🇬🇷 Greece · Hydraulic works
Archaic (600–500 BCE) · Ionian Greek (Samian) — engineer Eupalinos of Megara
Herodotean 1,036-m tunnel 550 BCE dug from both ends with 60 cm meet error.
🇮🇱 Israel · Hydraulic works
Herodian to Byzantine (22 BCE – 640 CE) · Herodian Jewish-Roman and Roman Imperial
Herodian-Hadrianic 10-km dune arcade twin aqueducts feeding Sebastos harbour 7 km.
🇹🇳 Tunisia · Hydraulic works
Roman Imperial (Hadrianic, 2nd c. CE) · Roman Africa Proconsularis (Latin-Tunisian)
Hadrianic 132-km aqueduct Zaghouan to Carthage with 17-km arcade, Rome's longest.
🇮🇷 Iran · Hydraulic works
Achaemenid core 500 BCE to Sasanian 450 CE (extension) to present · Yazdi Zarch piedmont oasis (Kavir piedmont)
North Zarch extension 8.2 km with 88 shafts mother 34 m, 6 badgir towers 18 L/s: Sasanian 450 CE graft onto 500 BCE core.
🇪🇸 Spain · Hydraulic works
Roman Imperial (mid-1st to early 2nd c. CE) · Roman Hispania Tarraconensis (Segovia)
Augustan 28.5-m 167-arch granite aqueduct 20 km 30 L/s without mortar, UNESCO 311.
🇸🇦 Saudi Arabia · Hydraulic works
Early Abbasid (Harun al-Rashid–Al-Amin) · Abbasid (Zubaydah bint Ja'far patronage)
Ayn Zubaydah: 35-km Abbasid 809 CE spring aqueduct from Wadi Nu'man to Haram, Makkah.
🇫🇷 France · Hydraulic works
Roman Imperial (Augustan-Claudian, mid-1st c. CE) · Roman Gallia Narbonensis (Nemausus)
Augustinian 48.8-m 3-tier bridge 50-km Nîmes aqueduct 35,000 m³/d, 6-tonne dry stone.
🇮🇷 Iran · Hydraulic works
Sasanian to Kakuyid (450 CE, repaired 1050 CE) · Sasanian Zagros (Eqlid terrace farmers)
Tang-e Boraq: 420-m Sasanian 450 CE cliff aqueduct in 85-m Zagros gorge, Eqlid 30.55N 52.32E.
🇸🇾 Syria · Hydraulic works
Umayyad (Hisham ibn Abd al-Malik) · Umayyad steppe palace culture
Hayr Gharbi: 16-km Umayyad 727 CE limestone canal from Harbaka Dam to steppe palace 34.52N 38.12E.
🇯🇴 Jordan · Hydraulic works
Roman Hadrianic (129 – 130 CE) with Byzantine reuse · Roman Gerasene Gerasa Decapolis under Hadrian
9 km Hadrianic Ceys Channel 130 CE to Gerasa reservoir above Cardo at 610 m.
🇮🇶 Iraq · Hydraulic works
Neo-Assyrian 690 BCE · Neo-Assyrian Sennacherib
Mountain head reliefs and 17-spring capture merging to 55 km Nineveh canal.
