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Water

EN8

Global Compact ICMM Reasonable Assurance

The information below provides disclosure under the Global Reporting Initiative (GRI) indicator EN8: Total water withdrawal by source

Water consumption
Water for consumptive use in operations (ML) Ground water used Surface water used Utility and/or other external water suppliers Total
  2011 2010 2011 2010 2011 2010 2011 2010
South Africa5,4547,1463,9023,764 9,465 9,986 18,821 20,896
Vaal River2,7944,3623,9023,764 6,876 7,461 13,572 15,587
West Wits2,6602,784 2,589 2,525 5,249 5,309
Continental Africa 5,570 4,748 20,426 18,607 1,118 1,080 27,114 24,437
Ghana                
Iduapriem 11 99 323 74 408 99
Obuasi 4,269 3,700 4,299 4,668 8,567 8,369
Guinea                
Siguiri 254 205 5,843 5,061 6,097 5,267
Mali                
Sadiola 5,992 5,777 5,992 5,777
Yatela 1,036 744 1,036 744
Namibia                
Navachab 1,043 1,080 1,043 1,080
Tanzania                
Geita 3,970 3,101 3,970 3,101
Australasia 3,984 3,429 57 35 18 21 4,059 3,485
Australia                
Sunrise Dam 3,984 3,429 57 35 18 21 4,059 3,485
Americas 1,425 1,503 3,118 2,638 2,207 1,676 6,750 5,817
Argentina                
Cerro Vanguardia 939 1,057 939 1,057
Brazil                
AGA Mineração 57 53 3,118 2,638 3,174 2,691
Serra Grande 429 393 429 393
USA                
CC&V 2,207 1,676 2,207 1,676
Group(1) 16,564 16,856 27,511 25,044 12,808 12,762 56,744 54,663
  1. 1 Group total includes 131 ML of ground water usage and 9 ML of surface water usage for Tropicana in 2011 and 30 ML of ground water usage at Tropicana in 2010.

EN21

Global Compact

The information below provides disclosure under the Global Reporting Initiative (GRI) indicator EN21: Total water discharge by quality and destination

Water discharge

Total planned discharges
South Africa
Vaal River
  • 1,427,671 m³/annum of untreated water into the Vaal River, from the Eye Dam, with a pH of 7.7 and conductivity of 3.38 mS/cm.
West Wits
  • 37,855 m³/annum of sewage treated water (which meets effluent discharge guidelines) to the Elandsfontein Spruit, from the south of the Aquatic Dam. The pH was 7.7, and conductivity of 0.92 mS/cm.
  • 87,868 m³/annum of chemically treated sewage from the Blyvoor Canal into the Wonderfontein Spruit, with a pH of 8.2 and conductivity of 0.52 mS/cm.
Continental Africa
Ghana
Iduapriem
  • 298,693 m³/annum of coagulation, partial eletrolysis and reverse osmosis water from the P2W water treatment plant into the SW1 sampling point which joins the Agonabeng stream, with a pH of 7.76 and conductivity of 10.20 mS/cm.
Obuasi
  • No planned discharges.
Guinea
Siguiri
  • 2,102 m³/annum of chemically treated sewage (digestion and chlorination) from the Koron camp sewage treatment plant Biofilter A into the Koron Koba river, with a pH of 7.67 and conductivity of 0.75 mS/cm.
  • 2,681 m³/annum of chemically treated sewage (digestion and chlorination) from the Koron camp sewage treatment plant Biofilter B into the Koron Koba river, with a pH of 8.26 and conductivity of 0.95 mS/cm.
  • 2,946 m³/annum of chemically treated sewage (digestion and chlorination) from the Koron camp sewage treatment plant Biofilter D into the Koron Koba river, with a pH of 7.79 and conductivity of 0.63 mS/cm.
  • 3,500 m³/annum of untreated water was discharged from the Kami pit dewatering system into the Old Wolo pit, with a pH of 7.74 and conductivity of 0.51 mS/cm.
  • 8,067 m³/annum of untreated water was discharged from the Sanu tintin dewatering system into the immediate environment, with a pH of 6.58 and conductivity of 0.47 mS/cm.
  • 85,513 m³/annum of untreated water was discharged from the Kossisse pit dewatering system into the immediate environment, with a pH of 6.79 and conductivity of 0.43 mS/cm.
  • 33,146 m³/annum of untreated water was discharged from the Kalamagna pit dewatering system into the immediate environment, with a pH of 6.66 and conductivity of 0.45 mS/cm.
  • 512,178 m³/annum of untreated water was discharged from the Tubani pit dewatering system into the immediate environment, with a pH of 8.35 and conductivity of 0.24 mS/cm.
  • 802,541 m³/annum of untreated water was discharged from the Sintroko pit dewatering system into the Kourouda river, with a pH of 7.02 and conductivity of 0.28 mS/cm.
Mali
Sadiola
  • No planned discharges
Yatela
  • No planned discharges
Namibia
Navachab
  • No planned discharges
Tanzania
Geita
  • No planned discharges
Australasia
Australia
Sunrise Dam
  • 1,580,799m³/annum of untreated discharge from the open pit and underground into the Lake Carey discharge site, with a pH of 7.54 and conductivity of 0.33 mS/cm.
Americas
Argentina
Cerro Vanguardia
  • No planned discharges
Brazil
AGA Mineração
  • 47,827,101 m³/annum of treated discharge (removal of arsenic) from the source PQZ7001 (point 4) into the Velhas river, with a pH of 7.23 and conductivity of 0.19 mS/cm.
  • 489,231 m³/annum of treated discharge (increasing pH) from the source MCB7002 (CN2 Cuiaba) into the Sabara river, with a pH of 7.51 and conductivity of 0.03 mS/cm.
  • 434,751 m³/annum of treated discharge (suspended solids reduction) from the source MLM7002 Mina Lamego into the Papa Farinha creek, with a pH of 7.68 and conductivity of 0.01 mS/cm.
  • 535,565 m³/annum of treated discharge (suspended solids reduction) from the source MCB7002 at the Corrego do Sitio Mine into the Conceição river, with a pH of 7.65 and conductivity of 0.05 mS/cm.
Serra Grande
  • 1,809,000 m³/annum of treated discharge (arsenic and cyanide removal) from the Mine Nova & Palmeiras Mines into the Red river, with a pH of 7.73 and conductivity of 0.12 mS/cm.
USA
CC&V
  • No planned discharges