The water delivered to your apartment is delivered by ASAT
To see your personal water bills on internet:
https://online.asat.gov.tr/tr/borc_sorgu.html
1 – When the page is open just write your water membership full number
2 – Fill out the “I’m not a robot” figures
3 – And then click ” BORC SORGULA ” which means search.
You can pay online with credit cards
or
You can pay from your Tyrkish bank account.