surface runoff Services | Environmental XPRT

Stream Restoration Services

EQRhas been constructing stream restoration projects since 1991. We have restored streams in urban and suburban areas, on residential and industrial sites. Our services have mitigated the adverse impacts of impervious surface runoff, thereby moderating water flow and improving water quality. Our work has also ...

By Environmental Quality Resources LLC based in Millersville, MARYLAND (USA).

Flood Water Treatment

Rainwater can also be the source of major pollution of watercourses, especially during stormy periods. Indeed, through surface runoff on impermeable surfaces (roofs, road systems, car parks,…), the rainwater becomes loaded with impurities (drained oil, fuels, waste from tyres, heavy metals, ...

By Eloy Water based in Sprimont, BELGIUM.

Burned Area Rehabilitation – Fire Reclamation Services

, reducing the velocity of surface runoff, stabilizing soil particles with roots, and contributing organic matter to the soil, which increases soil infiltration ...

By 814 Solutions, LLC based in Albuquerque, NEW MEXICO (USA).

Vatnaskil - Water Supply Consulting Services

Vatnaskil has over 35 years of experience providing consulting services in the fields of water supply and watershed management to a wide variety of clients, including water supply utilities, electric utilities, municipalities and industries. Our specialists have designed watershed models (surface ...

By Vatnaskil Consulting Engineers based in Reykjavik, ICELAND.

Land Surveyors System and Map Services

For agricultural entrepreneurs, a major preoccupation revolves around improvements in crop management. In order to encourage controlled practices, more demanding regulations have been implemented. The need for crop classification, seeding dates, knowledge of ground depth, the comprehension of surface ...

By PHB Inc. based in Boisbriand, QUEBEC (CANADA).

Salt

surface water runoff can cause sodium and chloride levels in groundwater to be elevated in the local aquifer. Emery & Garrett Groundwater, Inc., has studied the impact of road salt on local groundwater quality at many specific sites in New England and will continue work with State Regulators and ...

By Emery & Garrett Groundwater, Inc. (EGGI) based in Meredith, NEW HAMPSHIRE (USA). from Groundwater Protection / Enhancement Service line

Water Management

cycle, including storm and sewage systems: fresh and salt (density driven) groundwater modelling, modelling of solute transport, surface water quantity (rainfall-runoff, 1D and 2D channel flow, real-time-control), surface water quality and storm water and sewage systems. We use our expertise and experience to ...

By Witteveen+Bos Consulting Engineers based in Deventer, NETHERLANDS. from Deltas, Coasts and Rivers Service line

Remediation Services

Changing the Landscape: Abandoned tire piles are a serious environmental concern faced by communities across the nation. Liberty Tire Recycling works with communities to remediate dangerous abandoned tire ...

By Liberty Tire Recycling based in Pittsburgh, PENNSYLVANIA (USA). from Tire Collection Service line

Flood Risk Assessment

) an assessment of the potential to increase flood risk elsewhere, through the addition of hard surfaces and (ii) the effect of the new development on surface water ...

By A F Howland Associates based in Norwich, UNITED KINGDOM. from Environmental Services Service line

Rain Gardens Services

At Green Solutions we believe that the increased stormwater runoff from all the impervious surfaces are becoming a problem. This stormwater is causing flooding and polluting our local streams and lakes. By reducing the runoff, rain gardens are a huge part of changing these trends: Recharging the ground ...

By Green Solutions Erosion Control based in Spriingfield, NEBRASKA (USA).

Road Construction Services

Terratech Road Construction Technology provides an alternative to standard asphalt and concrete road construction through the use of technologically advanced polymers which create stable road surfaces from existing soils. Our polymer products are designed to be used in accordance with standard construction ...

By Terratech Inc. based in La Mirada, CALIFORNIA (USA).

Numerical and Conceptual Modelling

Development of numerical models. Hydraulic modelling of surface water bodies (1D, 2D & 3D). Hydro-morphologic modelling. Precipitation-runoff modelling. Habitat modelling. Sediment transport modelling (1D, ...

By Hydrophil iC based in Vienna, AUSTRIA.

Stormwater and Surface Water

Topographic Surveys. Analysis of Existing and Future Runoff Conditions. Runoff and Sediment Modeling. Control Structure and Dam Design. Surface Water Impoundment and Dam Design. Regulatory Permit Compliance for ...

By Goldie & Associates based in Seneca, SOUTH CAROLINA (USA).

Toxicity Identification Evaluations (TIEs)/Toxicity Reduction Evaluations (TREs) Services

TIEs have become an integral forensic method for determining causes of toxicity. The success of TIEs in identifying the causes of toxicity that may be present in effluents, ambient waters and sediments is a direct function of the technical expertise of the scientists regarding the fate and effects of potential contaminants. Our staff are very experienced in the performance of both acute and ...

By Pacific EcoRisk based in Fairfield, CALIFORNIA (USA). from Toxicity & Bioaccumulation Testing Service Service line

Wastewater Services

also includes run-off from hard surfaces, is collected and transported via mains drains, treated in clarification plants and subsequently discharged into lakes and rivers or other natural locations.p2m berlin has the latest know-how on all aspects of wastewater disposal and has completed many large-scale ...

By p2m berlin GmbH based in Berlin, GERMANY.

Master Planning

Aquafin also developed a methodology for planning investments in wastewater treatment infrastructure. Based on its predicted ecological return, the priority of each project is calculated. The master plan provides per treatment area an overview of all necessary remediation projects to achieve the required degree of treatment at minimal cost. The necessary projects are ordered in descending order ...

By Aquaplus NV based in Aartselaar, BELGIUM. from Master Planning Service line

Well Caps

Protect and maintain your wellhead. The cap covering a well may be a small part of the overall household water well system, but is an extremely important one. A properly installed well cap separates potential pollutants from you drinking water. The cap, which should be sealed tightly at all times, keeps out everything from liquid contaminants to bugs that can crawl inside a well and wreak havoc. ...

By Environmental Testing and Research Laboratories, Inc based in Leominster, MASSACHUSETTS (USA). from Well Services Service line

Acid Rock Drainage Services

of acidic metal rich leachate that can eventual be drained into groundwater seeps or surface water run-off. Consequently, acid rock drainage and metal leaching is one of the most serious environmental concerns related to mining activity globally. ...

By Lorax Environmental Services Ltd. based in Vancouver, BRITISH COLUMBIA (CANADA). from Specialty Services Service line

Water Management Services

Effective water management can improve site conditions, increase safety and aid compliance with environmental ...

By Hafren Water Ltd. based in Shrewsbury, UNITED KINGDOM.

Ammonia & other Nitrogen Compounds Service

ESG Environmental Chemistry Business Unit provides testing and analysis for ammonia and other nitrogen compounds. Soil samples are analysed by extracting the sample with potassium chloride and analysing this extract. This analyte is variously called ammoniacal nitrogen, available ammonium, and exchangeable ammonium depending upon the literature that is ...

By Environmental Scientifics Group based in Staffordshire, UNITED KINGDOM. from Laboratories and Analytical Services Service line

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