Blackwater is wastewater containing fecal matter and urine.

Greywater is wastewater generated from our kitchens, bathrooms and wash areas.

Sewage is liquid waste carried off in a sewer or drains.

Sewer is a pipe or conduit for carrying sewage and other liquid wastes.

Private sewer is a sewer located within the house boundary area.

Public sewer is a sewer located outside the house boundary area and maintained by Government.

Combined sewer is a sewer that carrying both storm water and wastewater together.

Separate sewer is a sewer which is restricted to sewage only. Storm water and surfaces water are not admitted.

Based on the Local Authorities (Compulsory Desludging of Septic Tanks) By-Law, 1998 septic tank shall be desludged as follows:

To maintain the treatment efficiency of your septic tank.

Septic sludge treatment plant is a facility that treats sludge collected from septic tanks.

Private sewage treatment plant is a plant that is privately owned and operated by owner of the properties.

Public sewage treatment plant is a plant that is maintained and operated by Government.

The by-products are liquid (Standard A effluent) and solid (sludge cake).

If you have other queries, contact our webmaster through email address provided at Contact Us.