To receive billing-related advisories via SMS, register to PIWAD TEXTBILL SERVICE by filling up the required form https://forms.gle/BRXcoxrnBVkWuXxa8
Customer may also inquire your water bill thru TEXT via PIWAD BILL INQUIRY SERVICE
For water bill inquiry, just text the following details: PIWADBILL<space>ACCOUNT CODE<space>ACCOUNT NUMBER and send to 0918-928-1789
Example: PIWADBILL 123456 111-23-4567