Special Collections at Murdoch University

Special Collections at Murdoch University

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Level banks may feed salt problem - report

Level banks may feed salt problem - report. [Publication] [Special Collections]

Summary

Article discusses findings from a Department of Agriculture report suggesting water in level interceptor banks has been found to feed groundwater in the 500mm rainfall zone.
Preliminary findings say that level banks, examined on farmer, Lex Hardie's Narrogin property, probably diverted significant amounts of fresh surface and shallow sub-surface water into groundwater supplies through preferred pathways in the clay.
The report said diverted fresh water could become saline and add to the pressure of saline groundwater where banks were underlain with lateric salt.
The report suggested that pipes be installed through the bank batters to ensure the drain channel emptied between storms, thereby increasing the bank's storage efficiency.
The effect of level banks in drier agricultural areas would "almost certainly" be less and may add insignificant amounts of water to recharge, the report said.

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This article is part of the WISALTS (Whittington Interceptor Sustainable Agriculture Land Treatment Society Incorporated) Collection.

Item Type: Special Collections
Collection: WISALTS Collection
Copyright: ©1987
Notes: 1 newspaper clipping
URI: http://researchrepository.murdoch.edu.au/id/eprint/58232
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