NPI = National Pollutant Inventory
Note: Data represent national emissions of 6 common metals released into water from energy production, mining, mineral processing and port facilities (NPI codes 0801-0809, 0911, 1701,1709, 2090, 2110, 2131-2133, 2139, 2611, 5212). Data were filtered to include only facilities located close to the coast (<2 kilometres from a coastline, inlet or coastal lake, as assessed on Google Earth).