G
Grease Trap - Watertight structure located on a building sewer and before a
septic tank in which grease and oils are separated from sewage.
Greenbelt - Area of open space that creates a boundary for development and
preserves natural, agricultural, recreational and scenic corridors.
Greywater - Domestic wastewater from all sources except toilets, urinals, and
drains equipped with garbage disposals. Sources include washing machines,
sinks, showers, bathtubs, and dishwashers.
Groundwater - Fresh or saline water beneath the ground surface contained in
spaces between rock and soil particles and bedrock fractures.
Groundwater Elevation - Elevation at which water is observed weeping or flowing
from the walls of, or standing in, a deep observation hole.