Rivers of Thailand

Storage dam

Pran Buri Dam

เขื่อนปราณบุรี

Pran Buri Dam is a storage dam on the Pran Buri River in Pran Buri District, Prachuap Khiri Khan province. It is run by the Royal Irrigation Department.

Reservoir storage today

85.1% of capacity at normal storage level

Water in the reservoir
333 million m³
Usable water
315 million m³ (84.4% of usable capacity)
Inflow
1 million m³ a day
Released
1.3 million m³ a day

As of 14 Nov 2026 Data from the National Hydroinformatics Data Center (ThaiWater), HII, refreshed every 10 minutes

Storage this year and last

Up 0.9 million m³ over the last 7 days

125 million m³ more than on the same day last year

333 million m³JanFebMarAprMayJunJulAugSeptOctNovDec
  • 2026
  • 2025
  • Normal storage 391 million m³
  • Upper and lower rule curves

Daily storage from the National Hydroinformatics Data Center (ThaiWater). The rule curves are the range the dam is meant to be kept within through the year.

Try the reservoir

Change the inflow, the release and the rain over the dam's catchment, and see what the reservoir would do over the next 90 days, starting from today's figures.

The reservoir would fall by 0.3 million m³ a day

Over the next 90 days the reservoir reaches neither normal storage, a rule curve nor dead storage

In 90 days it would hold about 306 million m³ (78.2% of capacity)

TodayOctNovDecJanFeb
  • Actual storage
  • Projected
  • Normal storage
  • Upper and lower rule curves
  • Dead storage

Today's storage, plus the inflow and the rain that runs in, less the release, a day at a time; evaporation and seepage are left out. It is arithmetic on the figures you set, not a forecast.

Map of Pran Buri DamHua HinPran Buri Dam
The red dot is the dam; the dark line is the river it stands on.

Key facts

Location
Pran Buri District, Prachuap Khiri Khan province
Coordinates
12.4640, 99.7933
Maximum capacity
490 million m³
Dead storage
17.6 million m³
Operator
Royal Irrigation Department

Maximum capacity and dead storage from the Royal Irrigation Department

Frequently asked questions

Where is Pran Buri Dam?
Pran Buri Dam is in Pran Buri District, Prachuap Khiri Khan province.
What is the water level of Pran Buri Dam today?
Pran Buri Dam is 85.1% full, holding 333 million m³, as of 14 Nov 2026.
Who runs Pran Buri Dam?
Pran Buri Dam is run by the Royal Irrigation Department.
What is the Pran Buri Dam called in Thai?
In Thai the Pran Buri Dam is เขื่อนปราณบุรี.