Thap Salao
Central
Capacity
160 hm³
Coordinates
15.544°N, 99.448°E
Operator
Royal Irrigation Department (RID)
96.2% full
Current fill
96.2%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Drought context
Rain over the last three months · 1 October 2026
Moderately wet
In the three months to 1 October 2026 the area around Thap Salao had more rain than normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.33). Rain, not storage. Thailand drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 160 hm³ |
| Usable capacity | 160 hm³ |
| Primary use | Irrigation |
| Operator | Royal Irrigation Department (RID) |
| Province | Central |
| River basin |
About Thap Salao
As of October 20, 2026, Thap Salao is filled to 96.2% of its total capacity, holding roughly 154 hm³ of water out of a maximum 160 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Thap Salao — 2 data points between October 19, 2026 and October 20, 2026 — the level has ranged from a low of 95.4% (October 19, 2026) to a high of 96.2% (October 20, 2026).
It is operated by Royal Irrigation Department (RID) primarily for irrigation.
Key facts
- Current fill level
- 96.2%
- Water stored
- 154 hm³
- Total capacity
- 160 hm³
- 7-day change
- No change
- Primary use
- Irrigation
- Operator
- Royal Irrigation Department (RID)
- Coordinates
- 15.544°N, 99.448°E
- Last updated
- October 20, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 20 Oct 2026 | 96.2% | 154 |
| 19 Oct 2026 | 95.4% | 153 |