Piezometric head

{
  "id": "MLC-T-ENV-021029",
  "term": "Piezometric head",
  "field": "Environment",
  "definition": "Hydrostatic pressure in an aquifer, relative to a common datum, such as mean sea level. The piezometric head in an unconfined aquifer is the water table. The piezometric head in a confined aquifer occurs above the top of the aquifer.",
  "subject": "Land, waste and cleanup",
  "references": [
    "Underground Storage Tank Sites Guide Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/piezometric-head/"
}