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Green Lake - Blue-green algae warning

Last update

Regular testing has detected levels of blue-green algae above levels considered safe for recreation use at Green Lake.

We warn the public to avoid direct contact with the water. People may still boat, sightsee and enjoy other activities at the lake that do not involve direct water contact.

Warning signs have been positioned at major recreational areas around the lake and will remain in place while the warning is current.

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Green Lake, Horsham

Water levels

Recreational activities permitted
Features & Facilities
Seasonal activities permitted
Last year

Green Lake is an off-stream reservoir that was originally used for irrigation purposes. Since construction of the Wimmera Mallee Pipeline, Green Lake is no longer used as a water supply reservoir, but plays an important role in managing the water quality within the headworks system. Green lake also offers a variety of recreational opportunities.

Together, we can keep our towns COVIDSafe

This Summer will be different to any other, and we must work together to keep public land and waterways open and safe for Victorians to enjoy. Under the Last Step - coronavirus roadmap for reopening, travel is permitted throughout Victoria and facilities at our recreation lakes, including campgrounds, are open. Being COVIDSafe is everyone’s responsibility. Be prepared and follow these measures at all times.

Find reservoir levels and other information at Storage Manager

View data at Storage Manager

Helpful Information

Duck shooting

  • permitted during duck season only


  • are not permitted

The boating authority for Green Lake is Horsham Rural City Council.

Weather Forecast

Current Temperature
  • Feels like 14.2°C
  • Relative Humidity 82 %
  • Rainfall 0.0mm
  • Wind W at 2 km/h
  • 35°
    MIN 13°
  • 39°
    MIN 17°
  • 41°
    MIN 24°