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Best Management Practices (BMPs) are conservation practices Which prevent chemical runoff during storage and mixing, reduce amounts available for runoff, reduce Soil erosion and water runoff, or trap pesticides before they enter water. Asa result, annual average pesticide detections at levels exceeding drinking ,'water standards can be presented.
* Non-point sources of pesticides, primarily runoff of chemicals absorbed into eroded soil and dissolved ih runoff water, account for the majority of pesticides detected in surface water. Managing pesticide use to address this situation begins with assessing a potential treatment sitelB risk to surface water. Factors fivldh as slope and soil type are considered.
“ Conservation practices are effeclive in reducing pesticide runoff. Controlled studies have shown that JHe use of conservation tillage systems (no till and mulch till) usually reduce pesticide runoff. » Vegetative filter strips and grassed waterways reduce pesticide Jupoff by trapping sediment and sloping water runoff, so that pesticides can interact with vegetation and "soil. 1 Crops rotation has been an effective BMP for surface water protection. It improves water infiltration to reduce runoff, provides more surface crop residue to reduce erosion, }md reduces the intensity of use of specific pesticides in given watersheds.
* The results of successful implejnentation of these BMPs should prevent annual average concentrations of pesticides in surface water
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