Council offices will close 3 pm Wednesday 24 December 2025 for the Christmas/New Year period, re-opening 8.30 am Monday 5 January 2025.
Christmas and New Year Opening Hours
Council has a Domestic Wastewater Management Plan to assist with the management of on-site disposal of effluent where land is not connected to a reticulated sewerage system.
The Colac Stormwater Development Strategy is a document intended to guide management of Colac’s stormwater network into the future.
The Legal Point of Discharge (LPoD) is a point specified by Council where stormwater from a property must be discharged.
The responsibilities of landowners and Council relating to stormwater drainage.
Onsite Wastewater Management System (Septic) information and application form.
Information on water tanks on your property.