Govt reports Chao Phraya Basin reservoir capacity for rainy season

Thairath•Politics•2d ago

Reader Briefing

The Thai government reports that four main reservoirs in the Chao Phraya Basin can still accommodate 9,999 million cubic meters of water.

•As of August 23, 2026, four main dams hold 14,783 million cubic meters of water, or approximately 60% of capacity.
•Water levels at the C.2 station in Nakhon Sawan province remain 6.62 meters below the riverbank.
•No flooding has been reported in 8 central provinces and Bangkok as of August 23, 2026.
•Tropical Storm Nara is expected to move ashore in Guangxi, China, on August 24–25, 2026, without directly entering Thailand.

Overview

•Four main reservoirs—Bhumibol Dam, Sirikit Dam, Kwae Noi Bamrung Dan Dam, and Pasak Jolasid Dam—can collectively receive an additional 9,999 million cubic meters of water.
•On August 23, 2026, water levels at the C.2 station in Nakhon Sawan province were 6.62 meters below the riverbank, despite flow increasing to 798 cubic meters per second.
•No reports of flooding were found in Bangkok and 8 central provinces, including Sing Buri, Ang Thong, Phra Nakhon Si Ayutthaya, Lop Buri, Saraburi, Pathum Thani, Nonthaburi, and Samut Prakan, as of August 23, 2026.
•The Subcommittee for the Prevention and Resolution of Flood and Drought Problems in the Chao Phraya Basin held a meeting on August 23 to coordinate preparedness.
•In Sam Khok District, Pathum Thani Province, water flow was 268 cubic meters per second, with water diverted into the East Field and West Field delivery systems.
•Tropical Storm Nara is projected to hit Guangxi, China, between August 24–25, 2026, and will not severely affect Thailand's overall weather.
•Lalida Periswiwatana advised residents in low-lying areas or flood-prone areas along rivers to monitor official weather and water situation updates.

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Source: Thairath (Original)

Key Quotes

Lalida Periswiwatana

"The figures of increasing water volume in some points must be viewed in conjunction with water levels and areas that can still accommodate water."

ตัวเลขปริมาณน้ำที่เพิ่มขึ้นในบางจุดต้องดูประกอบกับระดับน้ำและพื้นที่ที่ยังสามารถรองรับน้ำได้ด้วย

Key Entities

Person

Lalida Periswiwatana(ลลิดา เพริศวิวัฒนา)

Deputy Government Spokesperson who reported on the water situation in the Chao Phraya Basin.

Surasak Pancharoenworakul(สุรศักดิ์ พันธ์เจริญวรกุล)

Minister of Tourism and Sports and Chairman of the Subcommittee for the Prevention and Resolution of Flood and Drought Problems in the Chao Phraya Basin.

Paradorn Pritsnananthakul(ภราดร ปริศนานันทกุล)

Minister attached to the Prime Minister's Office and Advisor to the Subcommittee for the Prevention and Resolution of Flood and Drought Problems in the Chao Phraya Basin.

Organization

Subcommittee for the Prevention and Resolution of Flood and Drought Problems in the Chao Phraya Basin(คณะอนุกรรมการป้องกันและแก้ไขปัญหาอุทกภัยและภัยแล้งกลุ่มลุ่มน้ำเจ้าพระยา)

The body responsible for coordinating flood and drought preparedness in the Chao Phraya Basin.

Place

Bhumibol Dam(เขื่อนภูมิพล)ℹ️

One of the four main reservoirs in the Chao Phraya Basin.

Sirikit Dam(เขื่อนสิริกิติ์)ℹ️

One of the four main reservoirs in the Chao Phraya Basin.

Kwae Noi Bamrung Dan Dam(เขื่อนแควน้อยบำรุงแดน)

One of the four main reservoirs in the Chao Phraya Basin.

Pasak Jolasid Dam(เขื่อนป่าสักชลสิทธิ์)ℹ️

One of the four main reservoirs in the Chao Phraya Basin.

Nakhon Sawan(นครสวรรค์)ℹ️

Province where the C.2 water monitoring station is located.

Pathum Thani(ปทุมธานี)ℹ️

One of the 8 central provinces monitored for flooding, containing Sam Khok District.

Sing Buri(สิงห์บุรี)ℹ️