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General Description
The STP was
commissioned in 1975.
Sewerage
Catchment:
-
Turimetta Head (Warriewood) outfall
is the discharge point for the Warriewood STP, which services a
predominantly residential catchment from Palm Beach in the north to
North Narrabeen and Elanora in the south. Terry Hills, parts of
Frenchs Forest, Austlink Business Park and McCarrs Creek also drain to
Warriewood STP (Sydney Water Corporation 1998b).
Sewage
Treatment:
-
Warriewood STP provides coarse
screening, grit removal, primary and secondary treatment (using the
activated sludge process) for flows up to 39 ML/day, which includes
small storms. During larger rainfall events the proportion of flow
above 39 ML/day bypasses the secondary treatment process
(MHL769 1997, Sydney Water Corporation 199b).
Outfall:
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