Data as at 18 October 2026 · from Western Australian Government registers and open data
Tenement holder · Western Australia
LAKE HILLMAN MINING PTY LTD
LAKE HILLMAN MINING PTY LTD holds 17 current Western Australian mining tenements (10 mining leases, 7 miscellaneous licences) covering 659 hectares.
17tenements
659hectares
3projects
0EPA statements
2closure plans
Projects (MINEDEX)
| Project | Stage | Owners (MINEDEX) | Its tenements |
|---|---|---|---|
| Lake Hillman Gypsum / Lake Hillman | Operating | Lake Hillman Mining Pty Ltd 100%; Gypsum Supplies | 8 |
| Lake Cowcowing North - West Dukin / Lake Hillman | Operating | Lake Hillman Mining Pty Ltd 100%; Gypsum Supplies | 7 |
| Lake Seabrook Gypsum | Care and Maintenance | Lake Hillman Mining Pty Ltd 100% | 1 |
Rehabilitation liability
Its rehabilitation liability, per tenement and in total, is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs.
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 | |
| Lake Cowcowing North - Gypsum | LINDSAY J & HELEN C STEPHENS, Lake Hillman Mining Pty Limited | 7 September 2022 | Lake Cowcowing North - Gypsum v5 |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Project | Hectares |
|---|---|---|---|---|---|---|
| M 70/76 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 11 December 2026 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 3 |
| M 70/248 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 15 October 2027 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 28 |
| M 70/319 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 1 June 2029 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 70 |
| M 70/342 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 8 October 2029 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 17 |
| M 70/734 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 27 May 2034 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 19 |
| M 70/1291 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 20 October 2037 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 9 |
| M 70/1369 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 18 July 2039 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 76 |
| M 70/1370 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 5 June 2040 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 109 |
| M 70/1371 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 8 January 2040 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 63 |
| M 77/1269 Mining lease | LAKE HILLMAN MINING PTY LTD | Granted | 16 December 2035 | Gypsum | Lake Seabrook Gypsum | 252 |
| L 70/63 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 29 December 2044 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 2 |
| L 70/64 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 29 December 2044 | Gypsum | Lake Hillman Gypsum / Lake Hillman | 3 |
| L 70/110 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 21 February 2031 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 2 |
| L 70/182 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 27 October 2037 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 2 |
| L 70/183 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 27 October 2037 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 4 |
| L 70/212 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 10 May 2041 | Gypsum | Lake Cowcowing North - West Dukin / Lake Hillman | 1 |
| L 70/213 Miscellaneous licence | LAKE HILLMAN MINING PTY LTD | Granted | 18 August 2042 | 2 |
MCF Mining Approvals Index