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❓ Hon Jess Beckerling questions the Minister for the Environment regarding groundwater monitoring data submitted by Alcoa as part of the Pinjarra Refinery Expansion PER process. The Minister confirms data was received and will be published after review.

AnsweredQoN 1102Legislative Council

Asked

11 December 2025

Member

Hon Jess Beckerling

Portfolio

the Environment

QuestionView source ↗

(1) I refer to Alcoa's current Public Environment Report (PER) process for the Pinjarra Refinery Expansion and/or mining management plan, and I ask? (2) as part of this process, did the Environmental Protection Agency (EPA) receive groundwater bore monitoring data for all of Alcoa's monitoring bores? (3) if no to (2), why not? (4) if yes to (2), why has it not been published with the rest of the PER documentation on the EPA website? (5) if yes to (2), can the Minister please provide the data?

AnswerView source ↗

Answered

24 February 2026

Responded by

Minister for the Environment

Response time

5 days

(1-3) The proponent has provided groundwater monitoring data as part of its Environmental Review Documents. As part of its response to submissions, Alcoa has been requested to provide information related to water monitoring within its lease area. Tranche 1 of the response to submissions, received on 16 January 2026, is currently being reviewed.
(4-5) The response to the submissions, once accepted, will be published on the EPA s website.

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