Pesticides contribute to "apparent" decline in drinking water quality

An apparent deterioration in the quality of drinking water in England and Wales during 1991 has been ascribed by the Drinking Water Inspectorate (DWI) to changes in monitoring practices. But data in the DWI's second annual report suggest that pesticide contamination in drinking water was underestimated in earlier years.1 The DWI is also short of staff and resources to carry out independent checks on water quality and investigations of water supply incidents.

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