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❓ Question regarding the amount of Phoslock or bentonite clay used in the Swan and Canning river system to combat algae blooms between 1999 and 2004, with a detailed answer provided by the Minister for the Environment.

AnsweredQoN 2763Legislative Assembly

Asked

7 April 2004

Member

Mrs C.L. Edwardes

Portfolio

the Environment

QuestionView source ↗

I refer the Minister to the ongoing algae problems in the Swan and Canning river system and ask for each of the financial years 1999/2000, 2000/2001, 2001/2002, 2002/2003 and the current financial year to date, what are the amounts of Phoslock or other bentonite clay used in each river system to reduce the available phosphorous that feed algae blooms?

AnswerView source ↗

Answered

5 May 2004

Responded by

Minister for the Environment

Response time

28 days

The amounts of Phoslock™ applied to the Swan-Canning river system are as follows: Year Location Total dry weight of clay (t) 1999/2000 Canning River 45 2000/2001 Canning River 20 2001/2002 Canning River 45 2002/2003 Canning River 26 2003/2004 Mills St/Liege St drains 26 (still in progress)
Year Location Total dry weight of clay (t) 1999/2000 Canning River 45 2000/2001 Canning River 20 2001/2002 Canning River 45 2002/2003 Canning River 26 2003/2004 Mills St/Liege St drains 26 (still in progress)

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