Tailings storage facility management carries catastrophic consequence potential because dam failure can release millions of cubic metres of contaminated slurry causing fatalities, environmental devastation, and community displacement. International tailings dam failures at Brumadinho and Mount Polley have driven global regulatory tightening, and Australian state mining regulators now require tailings management systems aligned to the Global Industry Standard on Tailings Management. Routine tailings facility operations including pipeline management, spigot operation, monitoring instrumentation, and embankment inspection expose workers to chemical hazards from process water, inundation risks, and fall hazards on embankment slopes. This SWMS covers tailings facility operation, monitoring, and emergency response.
WHS Regulation 2025; State mining legislation — tailings management plans required; GISTM alignment
Hazardous chemical exposure, work near water, work at height
Managing Risks of Hazardous Chemicals; Prevention of Falls at Workplaces (binding July 2026)
Yes — Both codes binding July 2026. State tailings management requirements apply additionally.
| Hazard | Consequence | Likelihood |
|---|---|---|
| Tailings dam failure causing inundation of downstream areas | Multiple fatalities, environmental catastrophe, community displacement | Unlikely |
| Drowning from falling into tailings pond or saturated beach area | Drowning, entrapment in saturated tailings | Possible |
| Chemical exposure from process water containing cyanide, heavy metals, or acid | Acute poisoning, chronic health effects, environmental contamination | Possible |
| Fall from embankment slopes during inspection and monitoring activities | Fractures, drowning if falling into pond | Possible |
| Pipeline failure causing high-pressure slurry release | Blunt trauma, chemical exposure, slip hazards | Possible |
A mining operation failed to implement the monitoring and inspection program recommended in its dam safety review for two consecutive years. When seepage was eventually detected, it had progressed to a stage requiring emergency intervention. No injuries occurred but the potential for dam failure was classified as high.
2024 — Resources Safety and Health Queensland Prosecution Database
Our dam safety specialists develop tailings management SWMS with monitoring programs, GISTM alignment, and emergency response plans.
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