International Mine Water Association web site:
www.imwa.info

Water Institute of Southern Africa: 
www.wisa.org.za

Chamber of Mines of South Africa: 
www.bullion.org.za

Water Research Commission: 
www.wrc.org.za

Department of Water Affairs and Forestry: 
www.dwaf.gov.za

Department of Minerals & Energy: 
www.dme.gov.za

International Network for Acid Prevention:
www.inap.com.au

Partnership for Acid Drainage Remediation in Europe: 
www.padre.imwa.info