The NOP regulations do not have specific prescriptive requirements regarding distance for buffering your organic crop from potential contaminants. Prior to implementation of the NOP, 25 feet was used as a baseline for appropriate buffers. CCOF still uses this as a threshold of concern to guide our decision making process along with other mitigating factors such as physical barriers and agricultural practices.
The following NOP requirements are applicable when assessing borders and boundaries of certified operations:
Each situation will be judged on the merits of the specific case. Be sure to include all buffer situations in your Organic System Plan.