Management of harmful algal blooms Algal blooms in the Lower Hawkesbury estuary, in particular Berowra Creek estuary, are a regular occurrence and for this reason Council keeps an eye on algae activity through our intensive monitoring program.
The where, what, how and why of monitoring Council undertakes comprehensive estuarine and freshwater monitoring to understand, report on and respond to the health of the waterways in Hornsby Shire.
Latest catchment health results Information on the monitoring program used to check the health of ecosystems in Hornsby Shire.
Learning form the past Hornsby Shire Council started monitoring water quality in local waterways in 1994.
Student resources Information to assist students undertaking senior geography and science projects relating to water quality in Hornsby Shire.