Environmental Protection and Water Resources
Movement off site
This domain tests how applications reach air, soil, groundwater, and surface water, and how to prevent it. Spray drift is affected by droplet size, boom height, wind speed and direction, and temperature inversions. Volatility and fine droplets increase vapor drift. Runoff follows impervious surfaces and slopes; leaching moves products through sandy soil with low organic matter toward groundwater.
New York water concerns
Long Island's Special Groundwater Protection Areas and shallow aquifers make leaching a practical issue; read label groundwater advisories. Storm drains discharge to streams and bays, so never apply to impervious surfaces or allow rinsate to enter drains. Aquatic applications require an appropriate NYSDEC permit and a product labeled for aquatic use; wetlands and open water are not ordinary turf sites.
Buffers and sensitive areas
Respect label buffer zones near wells, streams, ponds, and property lines. Check pollinator and endangered-species language before spraying. Time applications to avoid rain forecast within the label's restriction and avoid inversions.
Worked example
A granular herbicide is planned on sandy soil 30 ft from a private well; the label prohibits application within 50 ft of wells. Reasoning: the setback is measured from the well, and the sandy soil increases leaching risk. The application cannot proceed as planned; the applicator must choose a different product or site design that meets the label setback, and must not simply reduce the rate to compensate.
Traps
Dilution is the solution to pollution; spraying before rain; ignoring a storm drain; and treating a wetland as a lawn.