Lake Wartook

Updated as of 4:10 PM 09 January 2019

Wartook Reservoir is located on the MacKenzie River in the central Grampians. It is the primary source of supply for Horsham and Natimuk, and a secondary source for Supply System 6 of the Wimmera Mallee Pipeline. The reservoir, which has a high recreational value, also provides important flows to the environment.

General Information

​Recreational fishing is popular at this lake.
Dogs are not permitted.

Recreational Activities

​Boating speed limit is 5 knots.
Swimming, water skiing, jet skis and camping are not permitted.
Duck shooting is not permitted.

Current Operating Status

Current Level 440.200 m AHD
Current Volume 16,450 ML
Percent Full 56%
Current Inflows -700 ML/week
24 hour Rainfall 0 mmCummulative Inflows Graph
Current Releases 42 ML/day
Current Spills 0 ML/day
Current Airspace 12,850 ML


  • Levels have fallen since last report.
  • Inflows to the reservoir have decreased since last report.
  • The reservoir is not currently spilling.


AHD = Australian Height Datum, expressed in metres above mean sea level
ML = Megalitres