Berowra Creek Subcatchment
The Berowra Creek subcatchment lies between the Cattai subcatchment to the west and Cowan/Pittwater subcatchments to the east.
The subcatchment flows directly into the southern side of the Hawkesbury estuary. It is a tidal river subcatchment, with 40% of the total stream length having tidal influences.
Much of the lower reaches are located within reserved land (Marramarra National Park and Muogamarra Nature Reserve), while some of the upper reaches are located in Berowra Regional Park. The headwaters drain rural and residential areas. Two Sewage Treatment Plants discharge into waterways of the Berowra subcatchment, one on Waitara Creek in West Hornsby, and the other on Calna Creek in Hornsby Heights. Water quality in the subcatchment is generally poor. Significant community based environment activity occurs in the creeks of the subcatchment. |
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