... data available on Nigeria's own water quality. The standards considered included those of Australia, Brazil, Canada, India, Tanzania, the United States and the World Health Organization ... also empowered the agency to set water quality standards to protect public health and to enhance the quality of waters. In the absence of national comprehensive scientific data, FEPA approached ... adoption of other national criteria. On many occasions, the application of water quality criteria from other countries requires additional ecotoxicological testing. An example of the adaptation...