| Arsenic Contamination of Groundwater: From the British Geological Survey; includes detailed reports of the surveys carried out in Ghana and Bangladesh. |
| Arsenic Drinking Water Groundwater Contamination and Water Testing: Arsenic in drinking water; information on sources of contamination and reported groundwater concentrations throughout the United States. Wilkes University arsenic research site. |
| Arsenic in Drinking Water (1999): Open Book; from the Commission on Life Sciences (US). Includes sections on chemistry, health effects, biomarkers, and variation in human sensitivity. |
| Arsenic in Drinking Water; WHO Factsheet: Summarises the causes, possible remedies, and the extent of arsenic pollution globally and discuss the problem in Bangledesh. WHO guideline limit for As in drinking water is 0.05mg/l. |
| Arsenic in Groundwater of the Red River Delta of Northern Vietnam: Study on arsenic contamination of groundwater and drinking water in the Hanoi area, including review of technologies for As removal. |
| Arsenic Project: Harvard University site on the study and remediation of chronic arsenic poisoning. |
| Asia Arsenic Network: Variety of articles related to arsenic contamination, remediation and effect of arsenic on humans. |
| Groundwater Pollution in Bangladesh: Online presentation and maps document the arsenic contamination problem and research into its causes. |
| London Arsenic Group: Research group based at University of London discusses geochemical & palaeohydrological controls on pollution of groundwater by arsenic. Projects on Bangledesh, West Bengal and Viet Nam. Regularly updated links to other arsenic related sites. |
| Natural Arsenic in Groundwater: Science, Regulation, and Health Implications: Summary points of 2001 conference session on arsenic contamination problems. |
| Seymour High School Science Club: Features information about the group's current project about groundwater testing for arsenic and other substances in the Seymour, Wisconsin, USA area. Page includes news, member biographies and photos. |
| USGS - Arsenic in Ground Water of the United States: Publications, maps, and data on arsenic in U.S. groundwater. Links to other arsenic resources. |