Hon Jess Beckerling asks about the assessment of data validity and significance from hydrocarbon groundwater bores at Alcoa's Huntly and Willowdale Mines. The Minister redirects the question to Hon Roger Cook MLA, as it falls under the Water Resources Management Plan administered by the Department of Energy and Economic Diversification.

AnsweredQoN 1138Legislative Council
Asked
11 December 2025
Portfolio
the Environment

QuestionView source ↗

(1) I refer to the following Hydrocarbon Groundwater Bores at the Alcoa's Huntly Mine, and in relation to the testing of the bores, I ask, how is the validity and significance of the data assessed: (a) Del Park Farm: REGMP_HC21, REGMP_HC22, REGMP_HC23; (b) Huntly Central: PMW07, PMW08, PMW09, PMW10, PMW06; (c) McCoy: REGMP_HC16, REGMP_HC17, REGMP_HC18, REGMP_HC19, REGMP_HC20, PMW04A, PMW05, REGMP_HC15, REGMP_HC11, REGMP_HC12, REGMP_HC13A, REGMP_HC13B, REGMP_HC14, PMW04B; and (d) Myara: PMW02A, PMW02B, PMW02C, PMW20, REGMP_HC06, REGMP_HC08, PMW01, PMW03, REGMP_HC10, REGMP_HC09C, REGMP_HC09B, REGMP_HC09A, PMW23, REGMP_HC02, REGMP_HC03, REGMP_HC04A, REGMP_HC04B, EGMP_HC05, REGMP_HC07? (2) I refer to the following Bores at Aloca's Willowdale Mine, and in relation to the testing of the bores, I ask, how is the validity and significance of the data assessed: (a) Arundel: PMW12, REGMP_HC35, REGMP_HC36, REGMP_HC37, REGMP_HC38, REGMP_HC39A, REGMP_HC39B, PMW22; (b) JRM Yard: PMW13, PMW14, PMW15; (c) Larego Tank Farm: PMW16, PMW17, PMW18, PMW19, PMW21, PMW24; and (d) Orion Bulk Fuel Storage Farm: PMW11, REGMP_HC30, REGMP_HC31, REGMP_HC33, REGMP_HC34?

AnswerView source ↗

Answered
24 February 2026
Responded by
Minister for the Environment
Response time
5 days
(1-2) These questions relate to the Water Resources Man gement Plan (WRMP), approved under the Mine Management Plan conditions issued by the Minister for State Development and administered by the Department of Energy and Economic Diversification (DEED). The question should therefore be referred to Hon Roger Cook MLA.

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