Wills Street Waste Water Treatment Plant

Environmental Protection License No: 3925

The Wills Street Plant was originally constructed in 1939, augmented in 1956 and upgraded in the 1980’s. It is a Trickling Filter Plant, comprising:

  • Manually raked screens
  • Grit removal
  • Primary sedimentation
  • Trickling filtration
  • Secondary sedimentation
  • Anaerobic sludge digestion (open unheated tanks).

The Plant treats approximately 4 ML per day.

Catchment Equivalent Population Average Dry Weather Flow (ML/Day) (240 L/capital/day) Peak Dry Weather Flow (ML/day) (480 L/capital/day) Wet Weather Flow (3.6 x PDWF)
Wills St WWTP 16,131 3.90 7.80 28.08

Monitoring Data
EPL monitoring data correction log