Here’s an updated comparison of Thailand’s dam water storage and discharge as of mid-August 2025, compared with the same period in August 2024:
Latest (Mid‑August 2025 – around August 14–15, 2025)
Sirikit Dam
Storage: 7,911 million m³, equivalent to 83% of capacity Wikipedia+4nationthailand+4InterRisk Asia (Thailand) Co., Ltd.+4.
Discharge: 55 million m³/day, maintained through September 2 for flood preparedness nationthailand+2Asia News Network+2.
Bhumibol & Other Dams
Bhumibol Dam volume (as of early August) about 8,721 million m³ nationthailand+13Water Resources Information Development+13nationthailand+13.
Chao Phraya Dam discharge likely being managed alongside but no explicit 2025 number found.
Chao Phraya discharge around ±1,050–1,100 m³/s recently InterRisk Asia (Thailand) Co., Ltd.+4nationthailand+4nationthailand+4.
Accumulated Weekly Discharge
Combined discharge this week (August 4–10, 2025): 1,024.89 million m³; daily today: 161.26 million m³ InterRisk Asia (Thailand) Co., Ltd..
Same Time Last Year (~August 26–28, 2024)
Sirikit Dam: approximately 71% full Wikipedia+14nationthailand+14Asia News Network+14.
Bhumibol Dam: approximately 45% full Wikipedia+12Asia News Network+12InterRisk Asia (Thailand) Co., Ltd.+12.
Chao Phraya Dam discharge: rising gradually to 900–1,400 m³/s Asia News Network+3nationthailand+3nationthailand+3.
Comparative Table
Dam / Measure
Mid-Aug 2025 (Aug 14–15, 2025)
Late Aug 2024 (Aug 26–28, 2024)
Sirikit Dam
83% full; 7,911 M m³; discharge 55 M m³/day
~71% full; discharge rising (900–1,400 m³/s)
Bhumibol Dam
~8,721 M m³ (storage)
~45% full
Chao Phraya Dam discharge
~1,050–1,100 m³/s (recent)
900–1,400 m³/s
Weekly discharge (all dams)
1,024.89 M m³ (Aug 4–10)
—
Daily discharge (all dams)
161.26 M m³ (today)
—
Key Insights
Significant increase in dam storage by mid-August 2025:
Sirikit dam rose to 83% (vs ~71% in 2024).
Bhumibol storage is substantially higher (~8.7 billion m³ vs ~45% full last year).
More proactive discharge management in 2025:
Sirikit kept discharge at 55 million m³/day to create capacity ahead of heavy rains.
Discharge rates for Chao Phraya Dam are comparable but data suggests cautious adjustments.
Overall water availability is noticeably better in 2025, offering more buffer for the coming dry season.