Abstract and Keywords
Pesticide usage poses a risk to river water quality, with further consequences for water company operations. Elevated concentrations of some pesticides have been recorded across England and Wales, prompting investigations, often using predictive modelling, to evaluate potential actions to reduce pesticide pollution at the source through catchment management measures. Along with an understanding of these measures, an appreciation of the drivers, or ‘mechanisms’, available to influence the actions of stakeholders, is essential to implement change in affected catchments. Water companies must make a business case for their investments, including catchment management, and a cost-benefit analysis, including consideration of the environmental costs and benefits of different solutions, is a useful tool to demonstrate the value of potential solutions. In the future, the challenges posed by pesticides in the environment are likely to grow, requiring innovative approaches to the management of agriculture and environmental water quality in England and Wales.
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