- When there is a need to connect domestic wastewater or report problems about the wastewater collection system . Please contact the branches by phone.

- Immediately after receiving your request within 24 hours, the Branch will send a staff to inspect monitoring, consulting and checking in at customer's home.

- In order to have a plan to best meet customer needs, time from receipt of information information until the connection of wastewater pipes is completed for customers in about 5 to 10 days. For special cases, the time will be discussed and agreed specifically with the customer.

- In case of troubleshooting, as soon as information is received Branch will send staff to proceed processed within 24 hours to ensure the living for customers.

* Note: If you have the conditions and time, we respectfully invite you to the branch office nearest at the addresses below to be consulted by the Branch staff about the service more carefully.

* Phone directory of branches in charge