Radius of influence

{
  "id": "MLC-T-ENV-023038",
  "term": "Radius of influence",
  "field": "Environment",
  "term_source": "Radius of Influence",
  "definition": "1. The radial distance from the center of a wellbore to the point where there is no lowering of the water table or potentiometric surface (the edge of the cone of depression).\n\n2. The radial distance from an extraction well that has adequate air flow for effective removal of contaminants when a vacuum is applied to the extraction well.\n\n3. The maximum distance away from an air injection or extraction source that is significantly affected by a change in pressure and induced movement of air.",
  "abbreviation": "ROI",
  "subject": "General environmental",
  "references": [
    "Terms of Environment",
    "Glossary of Technical Terms: Office of Underground Storage Tanks"
  ],
  "url": "https://mlchart.com/terminology/environment/radius-of-influence/"
}