Storage dam
Vajiralongkorn Dam
เขื่อนวชิราลงกรณ
Vajiralongkorn Dam is a storage dam on the Khwae Noi River in Thong Pha Phum District, Kanchanaburi province. Its reservoir holds 8,860 million m³. It was completed in 1984 and is run by the Electricity Generating Authority of Thailand (EGAT). Formerly named the Khao Laem Dam.
Reservoir storage today
96.3% of capacity at normal storage level
- Water in the reservoir
- 8,534 million m³
- Inflow
- 288 million m³ a day
- Released
- 0 million m³ a day
As of 29 Sep 2026 Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes
Key facts
- River
- Khwae Noi River
- Location
- Thong Pha Phum District, Kanchanaburi province
- Coordinates
- 14.7994, 98.5969
- Reservoir capacity
- 8,860 million m³
- Dam height
- 92 m
- Dam type
- Concrete-faced rockfill dam
- Installed power capacity
- 300 MW
- Completed or opened
- 1984
- Operator
- Electricity Generating Authority of Thailand (EGAT)
Frequently asked questions
- Where is Vajiralongkorn Dam?
- Vajiralongkorn Dam is in Thong Pha Phum District, Kanchanaburi province.
- What is the water level of Vajiralongkorn Dam today?
- Vajiralongkorn Dam is 96.3% full, holding 8,534 million m³, as of 29 Sep 2026.
- How much water can Vajiralongkorn Dam hold?
- The reservoir of Vajiralongkorn Dam holds 8,860 million m³.
- When was Vajiralongkorn Dam built?
- Vajiralongkorn Dam was completed and opened in 1984.
- Who runs Vajiralongkorn Dam?
- Vajiralongkorn Dam is run by the Electricity Generating Authority of Thailand (EGAT).
- What is the Vajiralongkorn Dam called in Thai?
- In Thai the Vajiralongkorn Dam is เขื่อนวชิราลงกรณ.