Subsurface drainfield definition

Subsurface drainfield means a system installed within the soil and designed to accommodate treated
Subsurface drainfield means a system installed within the soil and designed to accommodate treated sewage from a treatment works.
Subsurface drainfield means a system installed within the soil and designed to

Related to Subsurface drainfield

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Soil means all unconsolidated mineral and organic material of any origin.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • Underground mining means all methods of mining other than surface mining.

  • Topsoil means a varying depth (up to 300 mm) of the soil profile irrespective of the fertility, appearance, structure, agricultural potential, fertility and composition of the soil;

  • Area of shallow flooding means a designated AO or AH Zone on a community's Flood Insurance Rate Map (FIRM) with one percent or greater annual chance of flooding to an average depth of one to three feet where a clearly defined channel does not exist, where the path of flooding is unpredictable and indeterminate; and where velocity flow may be evident. Such flooding is characterized by ponding or sheet flow.

  • Sediment means solid material, mineral or organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water or gravity as a product of erosion.