Mullumbimby Inflow and Infiltration Program

The Mullumbimby Sewage Reticulation system was constructed in 1962. Within approximately 10 years of construction problems were identified with respect to inflow / infiltration into the system. The stormwater ingress causes wet weather overflows and can have adverse impacts on the performance of the sewerage system for households in lower lying areas.

Stormwater ingress to the sewerage system occurs because of defects like cracked pipes in both the Council sewers and the house service lines on private property.

Council has adopted a three year strategy to address the problem of storm water ingress into the Mullumbimby sewerage system and progressively rectify the defects.