Data as at 18 October 2026 · from Western Australian Government registers and open data

Western Australian mining lease

M 53/1109 · Lake Way Potash / Sev.en

M 53/1109 is a Western Australian mining lease held by SO4 PTY LTD (Sev.en Global Investments group). Granted 12 July 2021, expires 14 July 2042. 9,767 ha in the East Murchison Mineral Field. Commodities: K, Sulphate of potash. Part of the Lake Way Potash / Sev.en project (operating).

Type: Mining lease
Status: Granted
Holder: SO4 PTY LTD
Parent group: Sev.en Global Investments (a subsidiary)
MINEDEX project: Lake Way Potash / Sev.en J05331 · Operating
Owners: Sev.En Global Investments Pty Ltd 100%; Wiluna Mining Corporation Limited; Kimba Resources Pty Ltd
Lodged: 5 June 2020
Granted: 12 July 2021
Expires: 14 July 2042
Area: 9,767.20 hectares (97.7 km²)
Mineral field: East Murchison Mineral Field
Commodities: K, Sulphate of potash
Rehabilitation liability: Its rehabilitation liability is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs
Environmental registrations: 2 mining proposal and closure plan registrations (MINEDEX)
EPA referred proposals: Lake Way Sulphate of Potash Project Approved (Ministerial Statement), MS 1165; overlaps 8,214 ha
Wiluna Uranium Project Approved (Ministerial Statement), MS 913; overlaps 732 ha
WAMEX data: 817 open-file drill holes, 88 exploration reports on this ground
Location: -26.8098, 120.45875 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
23 April 2025	Mining Proposal	Lake Way Sulphate of Potash Combined Mining Proposal	Approved	MP_500170.pdf
16 July 2021	Mining Proposal	Mining Proposal for Mining Lease Application M53/1109	Approved	MP_92836.pdf

Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.