Document Type

Report

Publication Date

1-11-1997

Series Number

166

Keywords

Geology, Groundwater, Ongerup region (WA), Salinity, Hydrology, Mills Lake Catchment (WA), Western Australia, Jerramungup region (WA), Waterlogging, Saline land

Abstract

The Mills Lake Catchment is located north of the Ongerup-Jerramungup Road, 35 km west of Jerramungup and 10 km north-east of Ongerup. It covers about 23,800 ha of agricultural land that is more than 90% cleared and predominantly cropped. The average annual rainfall of the catchment is about 370 mm. Many low-lying parts of the study area have become salt-affected during recent years. The extent of soil salinity is growing rapidly and it is feared that, without any treatment, more land will become salt-affected.

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