Unity Mining Pty Ltd, Newton Pond Leach Residual Storage Facility Expansion, Howards Road
Unity Mining Pty Ltd is proposing to extend the tailings storage facility at the Henty Gold Mine near Queenstown. The proposal involves adding an extension cell to the existing tailings storage facility and allows for two future lifts to the height of the embankment to accommodate the life of mine forecast of 2031 (or beyond). The proposal was revised in September 2025 to remove one of the future lifts which is to be completed prior to the assessment of the extension cell.
Assessment Commenced: 25/10/2024
Southern Midlands Council, Stonehenge Quarry Increase in Production, Tunnack
Southern Midlands Council is proposing to intensify operations at the Stonehenge Quarry, located off Stonehenge and Swanston Roads, approximately 15 kilometres northeast of Tunnack. The proposal involves a production increase from 5,000 cubic metres (m³) to 20,000 m³ of weathered dolerite per year and includes the crushing and screening of material.
Stonehenge Quarry is a current level 1 quarry (mining lease: 1977 P/M), supplying materials to council and private projects throughout the municipality, with a current maximum annual extraction limit of 5,000 m³ and processing limit of 1,000 m³.
Case for Assessment open for public comment until: 30/1/2026
Forico Pty Ltd, Plantation Sawmill, Surrey Hills, Hampshire, Tasmania
Forico Pty Ltd propose modifying an existing woodchip mill activity at Surrey Hills, Hampshire, to include a sawmill on the same site. The sawmill will have a maximum production log capacity of 240,000 m3 per annum using timber diverted from the woodchip mill activity. The Surrey Hills site is located within Forico plantations and the woodchip mill and sawmill will share existing infrastructure, including the stormwater management system and waste stockpiles.
Assessment Commenced: 2/12/2025
MMG Australia Limited, 2/5 Dam Tailings Storage Facility, Stage 2 Subaerial Deposition and Closure, Roseberry
The proposal is for a permanent change of operations at MMG’s 2/5 Dam tailings storage facility in Rosebery. The tailings storage facility was previously approved by the EPA in 2016 with a requirement for tailings to be deposited sub aqueously (under water). The change in operations proposes tailings to be deposited subaerially. It is anticipated that the required minimum 2m water cover on closure will no longer be possible if permanent subaerial tailings deposition is undertaken.
Case for Assessment closed for public comment: 12/1/2026
E A & M A Downward, Dysart Quarry, Expansion of Operational Area, Dysart
E A & M A Downward are proposing to expand their existing operations at the Dysart Quarry, located off the Midlands Highway, approximately 10 kilometres northwest of Dysart. The proposal involves a small expansion to the area of operation. No changes to the existing production limits of 10,000 cubic metres per year, including the crushing and screening of material, are proposed.
Assessment Commenced: 21/11/2025
Liberty Bell Bay Pty Ltd, LBB Biochar Production Facility, Bell Bay
Liberty GFG Bell Bay proposes to install a temporary pyrolysis plant to produce up to 500 tonnes of biochar material per annum. The facility is for temporary pilot scale production to prove the technical feasibility of replacing coking coal with biochar products.
Case for Assessment closed for public comment: 15/12/2025
Kahuna Pastoral Company, Thomson's Quarry Intensification, Westerway
Kahuna Pastoral Company is proposing to intensify operations at the existing Thomson's Quarry, located off Styx River Road, approximately 6km from the Gordon River Road, Westerway. The proposal includes an increase in extraction from 5,000 cubic metres to 20,000 cubic metres per annum, and an increase in materials handling (crushing and screening of material) from 1,000 cubic metres to 3,000 cubic metres per annum.
Assessment Commenced: 18/11/2025
Wallaroo Contracting Pty Ltd, Lilla Villa Quarry Expansion, Bicheno
Wallaroo Contracting Pty Ltd, is proposing a production increase and expansion to the existing quarry off the Tasman Highway close to Bicheno. The proposal is for an increase in extraction and processing from 40 000 cubic metres to 100 000 cubic metres.
Assessment Completed 8/12/2025
Stanton Excavations Pty Ltd, Orford Quarry Development, Orford
Stanton Excavations Pty Ltd is proposing to intensify operations at the Orford Quarry, located approximately 2.4 kilometres south of Orford. The proposal includes an increase in extraction and processing from 20,000 cubic metres to 50,000 cubic metres per annum. The proposal includes increasing the development area of the southern hard rock pit by exposing new ground which will require additional clearing of approximately 0.9 hectares of native vegetation. The proposal also includes rehabilitation outside of the boundary of the mining lease area of the northern gravel pit.
Assessment Completed 2/12/2025