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Green Lake, Horsham - Blue-green algae warning

Last update

Reason: Blue-Green Algae

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

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.

Be sure to play it safe around water.

Read our information signage before entering the water.

Visit Safe Transport Victoria for a range of resources on water safety:

Find reservoir levels and other information at Storage Manager

View data at Storage Manager

Helpful Information

Camp fires

  • not permitted

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 8.2°C
  • Relative Humidity 66 %
  • Rainfall 0.0mm
  • Wind S at 7 km/h
  • 12°
  • 12°
  • 11° Possible thunderstorm