Manila Water will undertake maintenance activities along Shaw Blvd. near corner Ideal St. in front of Nissan Shaw, Brgy. Addition Hills, Mandaluyong City. This will result in temporary water service interruption affecting more than 38,000 households, commercial and business establishments in fourteen (14) barangays in Mandaluyong and San Juan cities beginning Monday, September 20, 2021 at 11:00 PM until 5:00 AM, Tuesday, September 21, 2021.