Rivers of Thailand

Storage dam

Sirindhorn Dam

เขื่อนสิรินธร

Sirindhorn Dam is a storage dam on the Lam Dom Noi in Sirindhorn District, Ubon Ratchathani province. Its reservoir holds 1,966 million m³. It was completed in 1971 and is run by the Electricity Generating Authority of Thailand (EGAT).

Reservoir storage today

91.5% of capacity at normal storage level

Water in the reservoir
1,798 million m³
Inflow
6.7 million m³ a day
Released
8.6 million m³ a day

As of 29 Sep 2026 Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes

Map of Sirindhorn DamSirindhorn Dam
The red dot is the dam; the dark line is the river it stands on.

Key facts

Location
Sirindhorn District, Ubon Ratchathani province
Coordinates
15.2063, 105.4292
Reservoir capacity
1,966 million m³
Dam height
42 m
Dam type
Clay-core rockfill dam
Installed power capacity
36 MW
Completed or opened
1971
Operator
Electricity Generating Authority of Thailand (EGAT)

Frequently asked questions

Where is Sirindhorn Dam?
Sirindhorn Dam is in Sirindhorn District, Ubon Ratchathani province.
What is the water level of Sirindhorn Dam today?
Sirindhorn Dam is 91.5% full, holding 1,798 million m³, as of 29 Sep 2026.
How much water can Sirindhorn Dam hold?
The reservoir of Sirindhorn Dam holds 1,966 million m³.
When was Sirindhorn Dam built?
Sirindhorn Dam was completed and opened in 1971.
Who runs Sirindhorn Dam?
Sirindhorn Dam is run by the Electricity Generating Authority of Thailand (EGAT).
What is the Sirindhorn Dam called in Thai?
In Thai the Sirindhorn Dam is เขื่อนสิรินธร.