This parliamentary question seeks information on the measurement, acceptable limits, and government policy regarding trihalomethanes (THMs) in Western Australian drinking water, particularly for Perth residents. The answer provides information on testing, limits and policy.

AnsweredQoN 1780Legislative Assembly
Asked
27 February 2007
Portfolio
Water Resources

QuestionView source ↗

(1) What measurement is being conducted of trihalomethanes (THMs) in the drinking water delivered to Western Australians, including Perth residents?
(2) What are the acceptable limits if THMs?
(3) What is the Government policy on THMs in drinking water?

AnswerView source ↗

Answered
19 March 2007
Responded by
Minister for Water Resources
Response time
20 days
In Perth, the THM testing is conducted by Analytical Reference Laboratories (WA) Pty Ltd, which holds National Association of Testing Authorities accreditation for THM analysis. (2) The long term average concentration for THMs recommended not to be exceeded in the Australian Drinking Water Guidelines is 0.250 milligrams/litre. (3) To meet the recommendations of the Australian Drinking Water Guidelines .
(2) The long term average concentration for THMs recommended not to be exceeded in the Australian Drinking Water Guidelines is 0.250 milligrams/litre. (3) To meet the recommendations of the Australian Drinking Water Guidelines .
(3) To meet the recommendations of the Australian Drinking Water Guidelines .

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