Rivers of Thailand

Storage dam

Nam Oon Dam

เขื่อนน้ำอูน

Nam Oon Dam is a storage dam on the Oon River in Sakon Nakhon province. It is run by the Royal Irrigation Department.

Reservoir storage today

63.3% of capacity at normal storage level

Water in the reservoir
329 million m³
Inflow
0.3 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

Map of Nam Oon DamSakhon NakhonNam Oon Dam
The red dot is the dam; the dark line is the river it stands on.

Key facts

Location
Sakon Nakhon province
Coordinates
17.3039, 103.7558
Operator
Royal Irrigation Department

Frequently asked questions

Where is Nam Oon Dam?
Nam Oon Dam is in Sakon Nakhon province.
What is the water level of Nam Oon Dam today?
Nam Oon Dam is 63.3% full, holding 329 million m³, as of 29 Sep 2026.
Who runs Nam Oon Dam?
Nam Oon Dam is run by the Royal Irrigation Department.
What is the Nam Oon Dam called in Thai?
In Thai the Nam Oon Dam is เขื่อนน้ำอูน.