Metropolitan Waterworks Authority Announces Water Outages and Low Pressure Areas on 21 October 2026: Check Affected Locations

The Metropolitan Waterworks Authority (MWA) has announced areas of “no water flow or low water pressure” for tomorrow, 21 October 2026, affecting Bangkok, Nonthaburi, and Samut Prakan. Check which locations will be impacted.

A reporter noted that the websiteof the Metropolitan Waterworks AuthorityorMWAhas announced areas with “no water flow or low water pressure” on 21 October 2026 due to maintenance of water pipes, pipe connections, pressure adjustments, and suspension of pumping station and water treatment plant operations. Details are as follows.

Water outage announcements for 21 October 2026 by work locations (Bangkok, Nonthaburi, Samut Prakan)

1. Therad Ratchan 27

• From 10:00 to 16:00, pipe connection work on 100 mm PVC pipe
• Affected areas: Therad Ratchan (Techatungka) and Therad Ratchan 27

2. Weluwnaram 5 and 7 areas

• From 10:00 to 16:00, pipe connection work on 300 mm PVC pipe
• Affected areas: Weluwnaram, Weluwnaram 5, Chokfairsan, Weluwnaram 7, Krissana Village

3. Soi Ramintra 21 (left side) near intersection 14

• From 10:00 to 16:00, pipe connection work on 300 mm PVC pipe
• Affected areas: Soi Ramintra 21 (left side to end), Soi Ramintra 19 (right side to end), Soi Ramintra 21 (left side to end)

4. Along Chaiyaphruek Road

• From 21:00 to 23:30, Step Test on 300 mm PVC pipe
• Affected areas: Chaiyaphruek Road, Ratchaphruek Road, Liab Kan Aen Road, and Wang Kha Wat Sing Thong Road

5. Under new bridge at Phran Nok-Sai 4 Road intersecting Ratchaphruek Road

• From 22:00 on 21 Oct 2026 to 05:00 on 22 Oct 2026, pipe connection work on 1000 mm steel pipe
• Affected areas: Ratchaphruek Road, New Cut Phran Nok-Sai 4 Road, Paknam Krachomthong Road both sides, North side Paknam Krachomthong Road both sides, Soi Ratchaphruek 8, 10, Soi Ratchaphruek 9, 11

6. Under bridge at Phran Nok-Sai 4 Road intersecting Ratchaphruek Road

• From 22:00 on 21 Oct 2026 to 05:00 on 22 Oct 2026, pipe connection work on 1000 mm steel pipe
• Affected areas: 1. Ratchaphruek Road 2. Phran Nok-Putthamonthon Sai 4 Road 3. Borommaratchachonnani Road 4. Kaew Nguen Thong Road both sides 5. Putthamonthon Sai 1 Road even side 6. Chim Phli Road 7. Bang Prom Road both sides 8. Intharawat Road both sides 9. Paknam Krachom Road both sides - Putthamonthon Sai 1 Soi 30 to Soi 38 - Patthana Soi both sides - Ratchaphruek Soi 8 to Soi 22 - Ratchaphruek Soi 9 to Soi 17 - Bang Khun Si Canal to Bang Noi Canal - Borommaratchachonnani Soi 57 to Soi 87 - Chim Phli Soi 6 - Chim Phli Soi 1 to Soi 7

7. Along Sirindhorn Road

• From 23:00 on 21 Oct 2026 to 02:00 on 22 Oct 2026, Step Test on 200 mm steel pipe
• Affected areas: Charansanitwong Road, Sirindhorn Road, Charansanitwong Soi 59 to Soi 63, Sirindhorn Soi 1 to Soi 5

Information from the Metropolitan Waterworks Authority website