December 11, 2025
Water quality monitoring program being rolled out on the Coffs Coast A water quality monitoring device in Hearnes Lake.

Water quality monitoring program being rolled out on the Coffs Coast

CITY of Coffs Harbour is currently rolling out a new water quality monitoring program.

Water samples measuring key indicators will be taken every three months at 18 sites in the Darkum Creek, Woolgoolga Lake, Willis Creek and Hearnes Lake catchments.

A particular focus will be on fluctuations in sediment and nutrient concentrations, as these are both problematic pollutants when they exceed even low levels.

“In addition to the quarterly samples, a continuous water quality monitoring device has been installed in Hearnes Lake to track daily changes across a 12-month period,” City Planning and Communities Acting Director Ian Fitzgibbon said.

“This will draw a picture for us of what’s happening, including during periods of heavy rainfall and water run-off.”

The water quality monitoring program complements the City’s involvement in the Hearnes Lake Working Group – a multi-agency body which aims to improve water quality in the lagoon.

“We are partnering with key stakeholders including the NSW Environment Protection Authority, State Government agencies, agricultural industry bodies and the local community organisation – Sandy Beach Action Group – to develop collaborative approaches to improving water quality,” Mr Fitzgibbon said.

Water quality readings from the program will be published on the City’s website, and will inform ongoing education, management and compliance actions.

“This proactive campaign is among the actions detailed in the City’s Coastal Management Programs,” Mayor Nikki Williams said.

“Our natural environment is something we all value so highly on the Coffs Coast, so it’s important to get reliable and timely data on water quality.”

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