| Reporting faults and leaks on Sydney Water mains | Phone 13 20 90 (24 hours) |
| Account and general enquiries | Phone 13 20 92 8.30 am to 5.30 pm (Mon-Fri) |
| Inter-state/international callers | Phone +61 1300 143 734 8.30 am to 5.30 pm (Mon-Fri) |
| For language assistance | Phone 13 14 50 for a free interpreter service. This service operates 8.30 am to 5.30 pm (Mon-Fri) |
| For hearing or speech difficulties | Phone the National Relay Service on 13 36 77 and ask for 13 20 90 |
| Contact Sydney Water | |
| Fax | Fax 1300 362 092 |
| Cheque payments | Sydney Water PO Box 339 Silverwater NSW 2128 |
| Correspondence | Sydney Water PO Box 399 Parramatta NSW 2124 |
| Please include a daytime contact phone number on all correspondence | |