Fig. 10. Illustration of the arsenic-contaminated districts in Bangladesh and West Bengal along with the rivers having upstream water diversion projects (Abbas, personal communication, 1992; Joint River Commission, Dhaka, Bangladesh, personal communication, 1996; Sattar, 1996, p. 55–57; India Drainage, Calcutta, personal communication, 1996; Bearak, 1998; Subramanian and Kosnett, 1998)