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Managing pesticide risks to drinking water: future challenges and new opportunities 9th November 2016 at WRc, Swindon Workshop Output
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Managing pesticide risks to drinking water:

future challenges and new opportunities

9th November 2016at WRc, Swindon

Workshop Output

ContactAndrew Davey, Senior Consultant, WRc plcEmail: [email protected] • Tel: +44 (0)1793 865023 • www.wrcplc.co.uk • @wrcplc

Positive actions

• Support R&D• Education to demonstrate

benefits and share knowledge across farming community

• Subsidies and incentives to promote uptake

• Plan for extremes and uncertainty

• Improve resilience (e.g. increase bankside storage)

• Improve monitoring and forecasting

• Develop products less susceptible to runoff

• Identify and target essential uses of glyphosate

• Promote greater use of Integrated Pest and Farm Management

• Raise awareness of possible consequences for water quality

• Lobby for more risk-based regulation

• Assess possible consequences of shifts to alternative products

• Offer incentives for agreement

• Support through training events

• Dedicated monitoring to assess benefits

• More measurable/ intelligent water management

• Continuous source management and monitoring

Scenario

Increased adoption of precision farming technologies

More volatile climate

Glyphosate is banned

Abolition of farming subsidies

Tighter statutory limits on pesticide use

Greater use of catchment agreements

Increasing water scarcity

Impacts

Reduced pesticide use reduced risk to drinking water

Greater year to year variation in pest pressure less predictable patterns of pesticide use increased risk to drinking water

Increased use of alternative actives, which may be more toxic and difficult to remove from water increased risk to drinking water, increased treatment cost

Intensification of crop production greater pesticide use increased risk to drinking water.Bigger farms block cropping more clustered pesticide use.

Reduction of pesticide use reduced risk to drinking water

Improved storage, use and handling of pesticides reduced risk to drinking water

Less flexibility over abstraction, water trading reduced ability to mitigate through abstraction management and blending increased risk to drinking water.

Uncertainties

• Cost of technology• Rate of technological

development and uptake• Behavioural and financial

barriers to uptake

• Extent and speed of climate change

• Where and when extreme weather events will happen

• Existing level of resilience

• Influence of social pressure on re-approval decision

• Changes in UK authorisation process post-Brexit

• What alternative actives and practices would be used

• The future direction of government policy post Brexit

• Farm economics

• May force use of less desirable products

• Increased risk of pesticide resistance emerging?

• Level of farmer engagement and participation

• Enforceability of agreements

• How to build resilience in water quality

• Quality/quantity of alternative water sources

• Timing and extent of water transfers

Future Scenarios

Factors influencing pesticide risks to drinking water

Behavioural/OperationalRegulation and PolicyEconomicTechnologyEnvironmental

USE OF NON-CHEMICAL CONTROLS

LAND USE/CROPPING PATTERNSPEST PRESSURE

PESTICIDE USAGE

PESTICIDES IN RAW WATER

PESTICIDES IN DRINKING WATER

PESTICIDE PRODUCTS

Education/Training

National Regulatory

Regime

EU Regulatory Regime

Pesticide Prices

Water Treatment

Treatment Processes

Energy and Chemical Prices

AbstractionManagement

Water Resources Availability

Blending

Equipment

Information

StewardshipSchemes

Non-chemicalTechnologies

Catchment Management

Activities

Product Development

Costs

Farming Practices

Agronomy Advice

Farm Assurance Schemes

Crop Varieties

Plant Breeding GMO Regulations

Climate

Soil Type

Market Prices

ProductFormulation

PesticideResistance

Agri-environment schemes

DomesticDemand

Population

InternationalProduction

RegulatoryRestrictions

ApplicationTechnology

Managing pesticide risks to drinking water:

future challenges and new opportunities

9th November 2016at WRc, Swindon

Workshop Output

ContactAndrew Davey, Senior Consultant, WRc plcEmail: [email protected] • Tel: +44 (0)1793 865023 • www.wrcplc.co.uk • @wrcplc

Positive actions

• Support R&D• Education to demonstrate

benefits and share knowledge across farming community

• Subsidies and incentives to promote uptake

• Plan for extremes and uncertainty

• Improve resilience (e.g. increase bankside storage)

• Improve monitoring and forecasting

• Develop products less susceptible to runoff

• Identify and target essential uses of glyphosate

• Promote greater use of Integrated Pest and Farm Management

• Raise awareness of possible consequences for water quality

• Lobby for more risk-based regulation

• Assess possible consequences of shifts to alternative products

• Offer incentives for agreement

• Support through training events

• Dedicated monitoring to assess benefits

• More measurable/ intelligent water management

• Continuous source management and monitoring

Scenario

Increased adoption of precision farming technologies

More volatile climate

Glyphosate is banned

Abolition of farming subsidies

Tighter statutory limits on pesticide use

Greater use of catchment agreements

Increasing water scarcity

Impacts

Reduced pesticide use reduced risk to drinking water

Greater year to year variation in pest pressure less predictable patterns of pesticide use increased risk to drinking water

Increased use of alternative actives, which may be more toxic and difficult to remove from water increased risk to drinking water, increased treatment cost

Intensification of crop production greater pesticide use increased risk to drinking water.Bigger farms block cropping more clustered pesticide use.

Reduction of pesticide use reduced risk to drinking water

Improved storage, use and handling of pesticides reduced risk to drinking water

Less flexibility over abstraction, water trading reduced ability to mitigate through abstraction management and blending increased risk to drinking water.

Uncertainties

• Cost of technology• Rate of technological

development and uptake• Behavioural and financial

barriers to uptake

• Extent and speed of climate change

• Where and when extreme weather events will happen

• Existing level of resilience

• Influence of social pressure on re-approval decision

• Changes in UK authorisation process post-Brexit

• What alternative actives and practices would be used

• The future direction of government policy post Brexit

• Farm economics

• May force use of less desirable products

• Increased risk of pesticide resistance emerging?

• Level of farmer engagement and participation

• Enforceability of agreements

• How to build resilience in water quality

• Quality/quantity of alternative water sources

• Timing and extent of water transfers

Future Scenarios


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