Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Operating
Lake Hillman Gypsum / Lake Hillman
Lake Hillman Gypsum / Lake Hillman is a Western Australian mining project (operating) in MINEDEX, owned by Lake Hillman Mining Pty Ltd 100%; Gypsum Supplies, on 8 current tenements held by LAKE HILLMAN MINING PTY LTD. Commodities: Gypsum.
- MINEDEX project
- J00825
- Stage
- Operating
- Owners (MINEDEX)
- Lake Hillman Mining Pty Ltd 100%; Gypsum Supplies
- Tenement holders
- LAKE HILLMAN MINING PTY LTD
- Commodities
- Gypsum
- 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
Resources and reserves
| Commodity | Resources | Reserves | Latest estimate |
|---|---|---|---|
| Gypsum | 1.43 Mt at 92.3%, 1.3 Mt contained | — | 26 October 2017 |
Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.
Production recorded in MINEDEX
| Commodity | Latest year | That year | All recorded |
|---|---|---|---|
| Gypsum | 2001 | 13 kt | 272 kt |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| Lake Hillman Gypsum Project | Lake Hillman Mining Pty Limited | 22 January 2016 | Lake Hillman Gypsum Project |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 70/76 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 11 December 2026 | Gypsum | 3 |
| M 70/248 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 15 October 2027 | Gypsum | 28 |
| M 70/319 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 1 June 2029 | Gypsum | 70 |
| M 70/342 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 8 October 2029 | Gypsum | 17 |
| M 70/1369 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 18 July 2039 | Gypsum | 76 |
| M 70/1371 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 8 January 2040 | Gypsum | 63 |
| L 70/63 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 29 December 2044 | Gypsum | 2 |
| L 70/64 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 29 December 2044 | Gypsum | 3 |
MCF Mining Approvals Index