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City of Wollongong

As a community, we can help prevent blue-green algal blooms by limiting the amount of nutrients in the water and promoting ecological health.

Detergents and fertilisers contain a high concentration of nitrogen and phosphorus. We can all play our part by:

  • Preventing nutrients from washing into roadside drains that flow into local waterways, for example, by washing your car on the lawn rather than on the road.
  • Using phosphorus-free detergents.
  • Reducing the use of fertilisers where possible.
  • Helping to rehabilitate waterways.