Metropolitan Waterworks Authority Announces Areas with No or Low Water Pressure on 20 Aug 2026: Check Impacted Locations

Metropolitan Waterworks Authority (MWA) announces areas "no water flow or low water pressure" on 20 August 2026. Check which areas are affected.

Reporters note that the websiteof the Metropolitan Waterworks AuthorityorMWAhas announced areas with no water flow or low water pressure on 20 August 2026 due to water pipe maintenance, pipe joint cutting, pressure adjustment, and suspension of pumping station and water treatment plant operations, with details as follows:

Announcement of water outage on 20 August 2026 at operational points (areas in Bangkok, Nonthaburi, and Samut Prakan provinces)

1. Closure of 2500 mm water transmission tunnel to set automatic gate valve at Si Phraya Road intersecting Charoen Krung Road

• from 00:00 to 02:00 hrs. Pumping station and water plant shut down / Pipe size: 2500 ST
• Affected areas: Both sides of Charoen Krung Road from Si Phraya Road to Silom Road // Even-numbered side of Charoen Krung Road from Silom Road to Chan Road // Si Phraya Road at Mor Phetploy Alley // Surawong Road // Even-numbered side of Silom Road from Charoen Krung Road to Pradit Alley // Mahanakhon Road, Charoen Krung Soi 26-50 // Silom Soi 24, 26, 28 // Phuttha Osot Alley // Mor Phetploy Alley

2. Ram Inthra 21 Soi 4, Ram Inthra Road

• from 10:00 to 15:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Ram Inthra Soi 23, Ram Inthra Soi 21 (right side to the end), Ram Inthra Soi 23 (both sides to the end), Phahonyothin Soi 48 (end) to Chamchuri Intersection

3. Borommaratchachonnani 97 Soi (Saranthip Village)

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Borommaratchachonnani Road, Borommaratchachonnani 97

4. Ratchaphruek 12 Soi (Kaew Ngern Thong 27 Soi)

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Ratchaphruek Road, Kaew Ngern Thong, Ratchaphruek 12, Kaew Ngern Thong 27

5. In front of Bangkok Noi District Office

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 ST
• Affected areas: Bang Khun Non, in front of Bangkok Noi District Office

6. South Railway Line Road near Charan Intersection

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Charan Sanitwong Road, water outage from Charan Sanitwong Soi 35 to Soi 39 to Chak Phra Canal Bank, Erawan Park Village to Taling Chan Railway Line and surrounding areas (entirely)

7. Bang Chan Canal at Borommaratchachonnani 38 Soi entrance

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Borommaratchachonnani Road, even-numbered side from 14 to 44

8. Chak Phra Soi 20

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 200 PVC
• Affected areas: Chak Phra Road, even-numbered side from 2 to 30

9. Charoen Rat Road Soi 1, Wiset San Intersection

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 200 PVC
• Affected areas: Charoen Rat Road, from Soi 1 to Soi 13 and from Lat Ya Soi 2 to Soi 10, all

10. Charoen Nakhon Road near Soi 22

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 400 AC
• Affected areas: Charoen Nakhon Road, from Soi 18 to Soi 26, all

11. Charoen Nakhon Road Soi 66/1

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Charoen Nakhon Road, Soi 66/1, all

12. Chiang Mai Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 AC
• Affected areas: entire Chiang Mai Road

13. Rama 2 Road Soi 69, Intersection 3-13

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Rama 2 Road, all of Soi Rama 2 69 Intersection 3

14. Wutthakat Road Soi 43

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Wutthakat Road, from railway edge at Soi 29 to railway edge at Soi 47, all

15. Somdet Chao Phraya Road Soi 15

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 AC
• Affected areas: Somdet Chao Phraya Road, Soi 15 and Soi 17, all

16. Lat Ya Road near Soi TB 524 Intersection near Soi 12

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Lat Ya Road, from Soi Lat Ya 10 to Soi Lat Ya 18, Khlong San intersection

17. Ladprao 28

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Ladprao Road, Ladprao 36, 34, 32, 30, 28

18. Pob Suk Village Soi 2-7, Pak Kret Bypass Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 100 PVC
• Affected areas: entire Pob Suk Village area

19. Nonthaburi Soi 4 (Thongkam Anusorn Soi), Nonthaburi Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Nonthaburi Road, from Or Tor Kor 3 Market through Nonthaburi Soi 4 (Thongkam Anusorn Soi) to DMA040301 in front of Golden Town Wong Sawang, Khae Rai (entire area)

20. Chan Soi 43 Intersection 24, Chan Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 100 PVC
• Affected areas: inside Chan Soi 43 Intersection 24, Chan Road

21. Sunthonkosa Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 110 HDPE
• Affected areas: Sunthonkosa Road to Ha Yaek Na Ranong Intersection to Kasem Rat Intersection and all alleys; Rama 4 Road from Ratchadaphisek Intersection to Kasem Rat Intersection and all alleys

22. Motorway Parallel Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 AC
• Affected areas: Outer Ring Road inbound side, water outage from Khlong Mon to drainage canal, On Nut 65, Golden Nakara Village, Gover Village, Golden Town 2 Village, all intersections and alleys

23. In front of DK Building, Kanchanaphisek Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 AC
• Affected areas: Kanchanaphisek Road, water outage from in front of DK Building to in front of Heng Lee factory, including minor alleys on both sides

24. Woraram Village, Bang Bon 5 Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Bang Bon 5 Road, entire Woraram Village

25. Bridge over Song Krathiam Canal, Ladprao 87 Soi

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 200 PVC
• Affected areas: Pradit Manutham, Ladprao, Ladprao 87 Soi, intersections 23-29, Get Nut Chimney Village, CDC Mall, BYD car center, Chic Republic

26. Ladprao 101 Soi 38 Intersection 1

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Ladprao, Ladprao 101 Soi 38

27. Near Ram Inthra Soi 70

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Ram Inthra, Suan Siam, Ram Inthra Soi 70-76, Makro Ram Inthra, Greenwich Village, Rangsiya Village, Grand Bangkok Boulevard Village, Suan Siam Soi 2-22, 1-7, Ban Ko Khlong community, Siriya Village, Than Thong Village, Lert Ubon 5 Village, Amornphan Village, Suan Siam Village

28. Bangna-Trad 45 Soi, Bangna-Trad Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 AC
• Affected areas: Bangna-Trad Road, Bangna-Trad Soi 39-45 (including side alleys)

29. Janya Watt 6 Soi, Ramkhamhaeng 2 Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 400 PVC
• Affected areas: Ramkhamhaeng 2 Road, left side from entrance to Khlong Klong Raew

30. Krungthep-Nonthaburi 37

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Krungthep-Nonthaburi, 37

31. Bang Phli Industrial Estate Soi 5

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 315 HDPE
• Affected areas: Kheha Bang Phli Road, area from Kheha Bang Phli entrance at Industrial Estate Soi 4 to Soi 5, all

32. Mit Maitri Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 AC
• Affected areas: Mit Maitri Road, from Soi 6/3 to Soi 10/2

33. In front of Solvani Village, Ram Inthra 117

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Charoen Phatthana Road, from Soi 2 to Soi 6, all

34. Tai Yai Thieng Soi

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Tai Yai Thieng

35. Manee Masterpiece Village

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 200 PVC
• Affected areas: Rattanathibet, Manee Village

36. Imperial Village

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Bang Phai-Nong Prue Ngai area, Lat Pla Duk School

37. Romklao Housing Estate 29 Soi 11-2

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Romklao Housing Estate, Romklao 029 Soi 11-15

38. Phra Ong Chao Chai Anuchit Canal Side Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Phra Ong Chao Chai Anuchit Canal Side Road

39. Wat Phlo Market, Luang Paeng Road

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Luang Paeng Road

40. Ban Rakas Canal, Bangna Road Km. 32-34

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 400 ST
• Affected areas: Ban Rakas Canal, Bangna Road Km. 32-34

41. In front of Grand Pleno Village

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 150 PVC
• Affected areas: Chonabot 4, in front of Grand Pleno Village

42. Vera Property Project

• from 10:00 to 16:00 hrs. Pipe joint cutting / Pipe size: 300 PVC
• Affected areas: Liab Khlong To Mai Road, along the water canal from Liab Khlong To Mai Intersection to Wa Deaw Canal.