Lake Gore - Description - Hydrology

Hydrology

The lake is recharged mostly via surface flow from the Dalyup river directly into Lake Gore with the Coobidge creek supplying many of the surrounding lake systems. The maximum depth of Lake Gore is recorded as 2.02 m (7 ft) in 1986 when the lake was inundated but with a mean depth of 1.43 m (5 ft) and the lake has dried up several times the last being in 1984.

The water is colourless and has low tannin levels. The salinity of the river varies depending on rainfall, the minimum salinity is recorded as 6.5ppt but the September mean is 52ppt. Salinity levels rise as the lake dries out in summer. The pH of the lake water fluctuates between 7.1 and 9.4. The water quality and salinity levels are regularly monitored by local school students as part of the Ribbons of Blue program.

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