Woronora Illawara Water Filteration Plants

 

Woronora Illawara Water Filteration Plants:

Operator: Wyuna Water Pty Ltd

(As a Build-Own-Operate Contractor to the Sydney Water Corporation, NSW)

Quantity: 878 m3 C & S Filter Coal at Woronora

975 m3 C & S Filter Coal at Illawarra

Filter Media: C & S Coal ES=1.9-2.1 mm UC=1.3 max 1850 mm deep

Silica Sand ES=0.654.75 mm UC=1.3 max 150 mm deep

Support Layer: Graded Silica Gravel, 3 mm - 6 mm 100 mm deep

 

These two separate plants were constructed under a single Build-Own-Operate Contract. The Woronora plant uses contact filtration, and treats up to 160 ML/day for Sydney's southem suburbs. The Illawarra plant serves the City of Wollongong and surrounding areas, and uses direct filtration, with a capacity of 210 ML/day.