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DATA CORRECTION

Instructions:
The electronic data correction is available only to consumers above 18 years of age. For minors please visit any Regional Customer Service Center. To update your bill data, please submit the first 7 digits of your Record Number (1) and your counter number (2) (Capital Greek, with space if there is a space), exactly as they appear on your bill.  
Following this, you can:
  • submit/correct the data of the consumer(owner/resident)
  • declare your water supply as shared
  • submit a different address of delivery for your bill statement.


WARNING:

Upon submission of data specific documents are required.

The documents must be submitted electronically (clear, size up to 500KB).

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