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groundwater table (Aquifers) services

  • Groundwater Extraction & Treatment

    Groundwater extraction and treatment is one of the oldest technologies used to remediate contamination. This approach is useful in applications in situations where hydraulic control over the groundwater plume is needed, or where it is desirable to lower the water table to the effects of SVE. Groundwater extraction can be performed at wells and ...

    By Blue Rock Environmental, Inc. based in Foster City, CALIFORNIA (USA). from Feasibility Studies and Remediation Service line

  • Groundwater Services

    Groundwater withdrawal permitting may be required if groundwater withdrawal rates exceed regulatory thresholds. These types of withdrawal permits are typically associated with golf courses, irrigation needs, water supplies, and other high water use applications. A withdrawal permit is always required for these high water use applications. ...

    By GeoEnvironmental Resources, Inc. (GER) based in Virginia Beach, VIRGINIA (USA).

  • Enhanced Biodegradation Services

    Enhanced Biodegradation accelerates the natural bioremediation processes in groundwater by providing oxygen or reducing agents, nutrients and degrading microorganisms. Aerobic conditions are achieved by either sparging air below the water table or circulating oxidants throughout the contaminated groundwater zone. The target contaminants are ...

    By Telluric Remediation Management Ltd (TRM) based in Ilkeston, UNITED KINGDOM.

  • Source Protection Zones

    Source protection zones (SPZs) are certain areas within an aquifer that’s considered to form the catchments to public water supplies and certain other private supplies. They relate to the groundwater flow below the water table, and do not take into account the nature and thickness of the overlying unsaturated zone and cover. The SPZs are ...

    By FIND - Professional Mapping Intelligence based in London, UNITED KINGDOM. from Environmental Package Services Service line

  • Predrainage Dewatering

    Predrainage, the lowering of the groundwater table below the proposed construction subgrade, is often a requirement to allow deep excavation or soft ground tunneling operations to be accomplished in the dry. The primary tools of predrainage are deep wells, wellpoint systems, and/or ejector systems. The selection of the optimum system is site ...

    By Moretrench based in Rockaway, NEW JERSEY (USA). from Dewatering & Groundwater Control Service line

  • Site Professional Services

    Fundy Engineering has been involved with numerous site remediation projects ranging from residential fuel oil spills to both active and decommissioned commercial gasoline operations and large industrial facilities. Our expertise with commercial and larger, more complex remediation projects includes both ex-situ and in-situ remediation ...

    By Fundy Engineering & Consulting Ltd. based in Saint John, NEW BRUNSWICK (CANADA).

  • Mobile Remediation

    Dual-phase extraction uses a vacuum system to remove various combinations of contaminated groundwater, separate-phase petroleum product, and vapors from the subsurface. The system lowers the water table around the well, exposing more of the formation. Contaminants in the newly exposed vadose zone are then accessible to vapor extraction. Once above ...

    By Fruits & Associates based in Acworth, GEORGIA (US) (USA).

  • Water Control - Dewatering and Unwatering

    From large-scale dewatering of sites for the installation of foundations to the removal of standing rainwater in shallow contaminated excavations (unwatering), Impact Environmental has a broad expertise in groundwater management services. The industrial nature and shallow water table of our geographic service area has created many challenges in ...

    By Impact Environmental (New York) based in Bohemia, NEW YORK (USA).

  • Air Sparging (AS)

    This approach involves the injection of compressed air into the saturated zone below the groundwater table, in order to promote volatilisation of dissolved contaminants into the unsaturated zone. Volatiles are also stripped in the immediate area of the sparge point.  SVE can then be used, as detailed above, to remove the contaminants.  ...

    By Heijmans Blackwell Remediation Ltd based in Essex, UNITED KINGDOM. from In-situ Processes Service line

  • Water Reclamation Services

    The dwindling supply of fresh potable water will be a major problem for the world in the 21st Century. Even today in more populated and arid areas in the United States, communities face water shortages and water quality degradation due to saltwater intrusion, dropping groundwater tables, contamination of aquifers and pollution of surface waters. ...

    By GEA Engineering PC based in Nanuet, NEW YORK (USA). from Other Service line

  • Air Sparging and Bioventing

    Air sparging is a very effective method of remediating sites contaminated with petroleum hydrocarbons and causes minimum disturbance to site activities. It is most effective at sites with homogeneous, high permeability soils and unconfined aquifers. Air sparging results in the physical removal of VOCs from below the water table (e.g. components of ...

    By Telluric Land Remediation Ltd based in Cardiff, UNITED KINGDOM.

  • Slurry Cut Off Walls

    If you are working in an area with high water tables and trying to contain or cut-off groundwater near landfills, tunnels, open cut excavations, or to lay foundations, our slurry cut-off walls may be what you need. Our trenchers and slurry pumps combine to install impermeable underground cut-off walls with depths to 30 ft. Dehydrated bentonite ...

    By Mersino Dewatering Inc. - a Mersino Company based in Davison, MICHIGAN (USA). from One-Pass Trenching Service line

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