Rivers of Thailand
THEN

Dams of Thailand

46 major dams on this map, with the latest reservoir storage of the large dams from the National Hydroinformatics Data Center. Every dam has its own page with its location, capacity, type and the rivers that fill its reservoir.

Reservoir storage today

As of 29 Sep 2026

DamLocationCapacityStorage today
Srinagarind DamKanchanaburi17,745 million m³92.3%
Bhumibol DamTak13,462 million m³64.2%
Sirikit DamUttaradit9,510 million m³80.2%
Vajiralongkorn DamKanchanaburi8,860 million m³96.3%
Ratchaprapha DamSurat Thani5,639 million m³73.7%
Ubol Ratana DamKhon Kaen2,263 million m³49.3%
Sirindhorn DamUbon Ratchathani1,966 million m³91.5%
Bang Lang DamYala1,420 million m³51.6%
Pasak Jolasid DamLopburi960 million m³102.3%
Kaeng Krachan DamPhetchaburi710 million m³98.7%
Khlong Si Yat DamChachoengsao420 million m³100%
Lam Takhong DamNakhon Ratchasima310 million m³65%
Naruebodindrachinta DamPrachin Buri295 million m³91.7%
Prasae ReservoirRayong295 million m³114.6%
Mae Ngat Somboon Chon DamChiang Mai265 million m³92.8%
Chulabhorn DamChaiyaphum165 million m³73.5%
Nong Pla Lai ReservoirRayong164 million m³88.2%
Huai Luang DamUdon Thani136 million m³63.8%
Bang Phra ReservoirChon Buri117 million m³77.3%
Mae Mok DamLampang110 million m³65.3%
Khun Dan Prakan Chon DamNakhon Nayok–97%
Khwae Noi Bamrung Daen DamPhitsanulok–73%
Kiew Kho Ma DamLampang–94.9%
Kiew Lom DamLampang–90.8%
Krasiao DamSuphan Buri–32.8%
Lam Chae DamNakhon Ratchasima–58.3%
Lam Nang Rong DamBuri Ram–47.2%
Lam Pao DamKalasin–61.1%
Lam Phra Phloeng DamNakhon Ratchasima–80.1%
Mae Kuang Udom Thara DamChiang Mai–70.7%
Mun Bon DamNakhon Ratchasima–53.6%
Nam Oon DamSakon Nakhon–63.3%
Nam Pung DamSakon Nakhon–50.1%
Pran Buri DamPrachuap Khiri Khan–76.2%
Thap Salao DamUthai Thani–62%

Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes

The largest dams in Thailand

  1. Srinagarind DamKanchanaburi, 17,745 million m³
  2. Bhumibol DamTak, 13,462 million m³
  3. Sirikit DamUttaradit, 9,510 million m³
  4. Vajiralongkorn DamKanchanaburi, 8,860 million m³
  5. Ratchaprapha DamSurat Thani, 5,639 million m³

All dams

Frequently asked questions

How many dams are there in Thailand?
This map brings together 46 major dams, both storage dams and diversion dams; 35 of the large ones report their reservoir storage every day.
What is the largest dam in Thailand?
Srinagarind Dam has the largest reservoir, 17,745 million m³. The tallest dam is Bhumibol Dam, at 154 m.