Zone of aeration definition

Zone of aeration means the unsaturated zone that occurs below the ground surface and above the point at which the upper limit of the water table exists.
Sample 1Sample 2Sample 3
Zone of aeration means a subsurface zone containing water under pressure less than that of the atmosphere, including water held by capillary and containing air or gases generally under atmospheric pressure. This zone is limited above by the land surface and below by the surface of the zone of saturation, e.g., the water table.
Sample 1Sample 2Sample 3
Zone of aeration means the unsat- urated zone that occurs below the ground surface and the point at which the upper limit of the water table exists. [1973 c.835 §208; 1975 c.167 §1; 1977 c.828 §1; 1991 c.598 §3; 1999 c.551 §3; 2009 c.248 §3]
Sample 1Sample 2Sample 3

Examples of Zone of aeration in a sentence

  • Unit-7 Groundwater HydrologyGroundwater in Hydrologic cycle, Occurrence of Groundwater: Aquifer, Aquiclude, Aquifuge and Aquitard, Porosity, Effective porosity, Vertical distribution of Groundwater; Zone of aeration, zone of saturation, Division of subsurface water.

  • Zone of aeration Zone of saturation Permeable rock Groundwater soaks into the ground, passes through the zone of aeration, and collects in the zone of saturation.The zone of aeration has three layers.


More Definitions of Zone of aeration

Zone of aeration means the unsaturated zone that occurs below the ground surface
Sample 1Sample 2Sample 3
Zone of aeration means a subsurface zone extending from the water table to the surface of the land.
Sample 1Sample 2
Zone of aeration means a subsurface zone containing water under a pressure lower than that of the atmosphere, including water held by capillarity; and containing air or gases generally under atmospheric pressure. This zone is bounded above by the land surface and below by the water table; and is synonymous with vadose zone and unsaturated zone.
Sample 1
Zone of aeration means a subsurface zone containing water under pressure less than that of the atmosphere, including water held by capillary and containing air or gases generally under atmospheric pressure. This zone is limited above by the land surface and below by the surface of the zone of saturation, i.e., the water table. 2.0 GENERAL STANDARDS, PROHIBITIONS AND PROVISIONS2.1 Each and every owner/lessee of real property is jointly and severally responsible for:2.1.1 Disposing of wastewater in conformance with all applicable Regulations; and2.1.2 Connecting all plumbing fixtures on that property, from which wastewater is or may be discharged, to a central wastewater system or on‑site wastewater treatment and disposal system approved by the Department; and2.1.3 Maintaining, repairing, and/or replacing the system as necessary to assure proper operation of the system.2.2 No permit may be issued by the Department under these Regulations unless the county or municipality having land use jurisdiction has first approved the activity through zoning procedures provided by law.2.3 Any county governmental unit may assume responsibility and authority for administering its own regulatory program for on‑site wastewater treatment and disposal systems pursuant to 7 Del.C. §6003(d) if the delegated program establishes standards no less stringent than the standards established in these Regulations. 2.4 Administrative and judicial review and the enforcement under these Regulations shall be in accordance with the provisions of 7 Del.C. Ch. 60.2.5 If any part of these Regulations, or the application of any part thereof, is held invalid or unconstitutional, the application of such part to other persons or circumstances, and the remainder of these Regulations, shall not be affected thereby and shall be deemed valid and effective.2.6 These Regulations, being necessary for the health and welfare of the State and its inhabitants, shall be liberally construed in order to preserve the land, surface water and groundwater resources of the State.2.7 At the sole discretion of the Department, if the proposed operation of a system may cause pollution of public waters or create a public health hazard, system installation or use shall not be authorized. 2.7.1 In no case shall an active OWTDS be placed installed over or dispose of wastewater onver top of an existing OWTDS without sand-lining or properly abandoning the old system.2.8 All wastewater shall be treated and disposed of in a manner approved by th...
Sample 1
Zone of aeration means that region of the soil or rock between the land surface and the nearest saturated zone in which the interstices are occupied partially by air.
Sample 1

Related to Zone of aeration

  • Operating Permit means a permit issued pursuant to section 10 of this local law. The term “Operating Permit” shall also include an Operating Permit which is renewed, amended or extended pursuant to any provision of this local law.

  • Resort Complex means the hotel, convention centre/theatre restaurant, exhibition centre, recreation and other facilities and the Burswood Casino established or to be established on the Site pursuant to and in accordance with the provisions of this Agreement and includes, if and when constructed, Stage 2 but does not include, on and from the date specified in an order made under section 21F(1b) of the Control Act, any of the foregoing which are by the order excluded from the operation of this Agreement;

  • Zone 2 means British Columbia and Alberta Receipt Points and Liquids Receipt Points at or upstream of the Blueberry Hill Compressor Station. ARTICLE 2 QUALITY‌ 2.1 Subject to Articles 2.4, 2.5, 2.6, 2.7 and 21.1 hereof, Gas tendered to Transporter at Receipt Points shall conform to the following Quality Specifications:‌

  • Ozone season means the period of time beginning May 1 of a year and ending on September 30 of the same year, inclusive.

  • fire hydrant means a fire plug or fixed pillar fire hydrant;

  • Standard Methods for the Examination of Water and Wastewater means the most recent edition of Standard Methods for the Examination of Water and Wastewater published jointly by the American Public Health Association, the American Waterworks Association and the Water Environment Federation;

  • Archaeological site means a geographic locality in Washington, including but not limited to, submerged and submersible lands and the bed of the sea within the state's jurisdiction, that contains archaeological objects.

  • Process Wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product.

  • Sedimentation means a process for removal of solids before filtration by gravity or separation.

  • Industrial furnace means any of the following enclosed devices that are integral components of manufacturing processes and that use thermal treatment to accomplish recovery of materials or energy:

  • General air quality operating permit or "general permit" means an air quality operating permit that meets the requirements of ARM 17.8.1222, covers multiple sources in a source category, and is issued in lieu of individual permits being issued to each source.

  • Public highway means a public highway, road, street, avenue, alley, or thoroughfare of any kind, or a bridge, tunnel, or subway used by the public.