🇮🇷 Iran · Hydraulic works
Qanat-e Zarch – Longest Qanat in Iran
Achaemenid to present (2,500 years continuous) · Persian qanat engineers (Achaemenid, Sassanian, Safavid)
71-km Zarch qanat—longest gravity aquifer tunnel on Earth (500 BCE–Safavid).
🇮🇷 Iran · Hydraulic works
Band-e Darreh South Extension Dam (Birjand Darreh South Gravity Dam)
Khwarazmian Late Islamic 1210 CE (Birjand) · Khwarazmian South Khorasan Birjand oasis
South Darreh arch-gravity 42 m × 18.2 m 8 m radius: conjunctive wadi+qanat 28,000 m³ south branch with cistern 8 m.
🇮🇷 Iran · Hydraulic works
Band-e Amir (Amir Dam) & Kor River Cascade (Marvdasht Plain, Fars)
Sassanid to Buyid (4th c CE to 10th c CE) · Sassanid → Buyid Islamic
Kor River cascade (Sassanid 4th c → Buyid 970 CE) bridge–dam 75 m with 13 arches — Persepolis plain lifeline.
🇮🇷 Iran · Hydraulic works
Qanat Baladeh – Ferdows (Ton) Qanat System
Sasanian to Early Islamic · Sasanian / Early Islamic Khorasan
35-km double-branch Sasanian qanat (500–800 CE) — 70-m mother well, 45 L/s to Ferdows oasis.
🇮🇷 Iran · Hydraulic works
Qanat-e Gonabad South Gallery (Ghasemabad South Branch Qanat)
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.
🇮🇷 Iran · Hydraulic works
Band-e Kaisar (Valerian Bridge-Dam, Shushtar — Pol-e Kaisar)
Sassanid Early (Shapur I, 241–270 CE) built by Roman captives · Sassanid Persian with Roman engineering corps (Legio)
500-m Roman-Sassanid arch bridge/dam (260 CE) raising Karun for Shushtar's 10-km Gargar canal — easternmost Roman dam.
🇮🇷 Iran · Hydraulic works
Band-e Gar and Dariun Aqueduct Extension (Greater Shushtar)
Sassanian (Shapur I) on Achaemenid · Sassanian Persian with Roman POW labour
Northern Shushtar (65 m, 32°03′N 48°51′E 32.05,48.85) hydraulic extension of UNESCO 1315 Shushtar Historical Hydraulic System (1315): Band-e Gar (Gar Dam) and Dariun Great Weir interconnect canal…
🇮🇷 Iran · Hydraulic works
Band-e Firuzabad (Ardashir Dam) — Firuzabad Plain reservoir dam, Fars
Early Sassanid (Ardashir I–Shapur I, 224–260 CE) · Sassanid Persian (early Sasanian court)
210-m Sassanid reservoir dam (224 CE) retaining Firuzabad circular capital plain — Ardashir's desert hydraulic foundation.
🇮🇷 Iran · Hydraulic works
Band-e Mizan Dam – Shushtar Hydraulic Node
Achaemenid to Sasanian · Achaemenid / Sasanian (with Roman prisoners)
390-m Karun diversion weir (5th c BCE /260 CE) — head of Shushtar mills system.
🇮🇷 Iran · Hydraulic works
Qanat-e Zarch North Extension (Yazd Zarch Qanat Northern Arm)
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.
🇮🇷 Iran · Hydraulic works
Band-e Gargar Secondary Canal (Shushtar Gargar Diversion Canal)
Sasanian (Shapur I post-Edessa 260) · Sasanian with Roman prisoner engineers
Gargar canal: 12-km Sasanian 260 CE cliff canal diverting Karun through Shushtar mills, UNESCO 1315.
🇮🇷 Iran · Hydraulic works
Tang-e Boraq Aqueduct (Boraq Gorge Cliff Aqueduct)
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.
🇮🇷 Iran · Hydraulic works
Qanat-e Zarch West Branch (Yazd Zarch Qanat Western Gallery)
Ilkhanid branch on Achaemenid–Sasanian trunk · Ilkhanid Yazd (branch) on Persian qanat tradition
Qanat-e Zarch west: 11.2-km Ilkhanid branch of world's longest 71-km Yazd qanat, UNESCO 1476.
🇮🇷 Iran · Hydraulic works
Paskeh Band Ancient Dam – Hormozgan (Band-e Paskeh)
Sasanian (Shapur I–II) · Sasanian Persian
180-m Sasanian gravity dam (240–380 CE) on Minab tributary — 300,000 m³ for Minab palms.
🇮🇷 Iran · Hydraulic works
Shushtar Band-e Ahmadi Weir (Shushtar Ahmadi Bridge-Dam)
Safavid with Sasanian spolia · Safavid Khuzestan
Band-e Ahmadi: 180-m Safavid 1680 bridge-dam 4 km south of Shushtar UNESCO, 12 arches.
🇮🇷 Iran · Hydraulic works
Band-e Bal
Achaemenid to Sasanian (c.520 BCE–600 CE) · Achaemenid → Sasanian hydraulic
Achaemenid bridge-dam 300 m (Darius I era, sluices, Shushtar canal head) north of Shushtar.