Soil erosion and resulting sedimentation can cause widespread damage to waterways and impact drinking-water quality, endanger wildlife resources, and hinder the flood-control capacity of lakes and reservoirs. For the most challenging projects and construction programs, Geosyntec has extensive experience developing effective stormwater pollution prevention plans (SWPPPs), erosion and sediment (E&S) control and revegetation plans, hydrologic and hydraulic models, and designs for stormwater best management practices (BMPs).

Best-Value Solutions for Erosion and Sediment Control

In the United States, the US Environmental Protection Agency has determined that E&S control is a serious challenge to the nation’s developers, municipalities, and agriculture. Construction general permits now require E&S control for all land disturbances greater than one acre, and many developers face serious fines from state and federal regulatory agencies if found not to be in compliance with construction permit requirements.

Our practitioners are leaders in in the following areas:

  • Cost-effective soil stabilization, specifically on land affected by surface mining
  • Linear utility and pipeline construction
  • Transportation, power-facility, and residential and commercial development

We have expertise in alternative delivery, bid-build construction, and solution development that minimizes cost and environmental impacts. Geosyntec also is an industry leader in developing and directing post-wildfire disaster remediation.

Experts in Compliance and Permitting for E&S Control

Our construction audit services help large commercial and residential developers reach and maintain compliance when implementing and documenting E&S control measures in their region. We develop SWPPPs and E&S control plans that enable clients to meet their compliance obligations quickly and effectively.

Geosyntec sediment engineers and scientists develop state, federal, and international training programs for E&S control contractors and stormwater inspectors and many of our practitioners are Certified Professionals in Erosion and Sediment Control (CPESC), Certified Professionals in Storm Water Quality (CPSWQ), or Certified Erosion, Sediment, and Stormwater Inspectors (CESSWI).

Additionally, our practitioners maintain comprehensive knowledge of E&S permitting requirements, consult in the development of new regulations and implementation guidance, and lead training for public agencies, inspectors, construction personnel, designers, and attorneys on the latest requirements and newest techniques for E&S control and construction stormwater practices.

Innovation in E&S Control

As recognized leaders in the stormwater and E&S control industry, our practitioners actively participate in organizations that educate, shape, and inform environmental policy and practice around the world. The civil and geotechnical engineers and scientists of Geosyntec stand at the forefront of new research techniques and education methods in the field of E&S control through their participation in conferences, as certified instructors, and as members on the boards for Envirocert International, StormCon, the International Erosion Control Association (IECA), the American Society of Civil Engineers (ASCE), and the California Stormwater Quality Association (CASQA).

Our practitioners also author and serve as advisors for guidance manuals and BMP handbooks that present methods used throughout the construction industry for E&S control and the controls for other construction-related pollutants as follows:

  • The State of Oregon Department of Environmental Quality Statewide Erosion and Sediment Control Handbook
  • The CASQA Stormwater Best Management Practices Handbook Portal: Construction
  • The Illinois Urban Manual
  • The Missouri Department of Natural Resources Protecting Water Quality Field Guide

Our experts also supervise the operation of the Soil Erosion Research Laboratory at San Diego State University and regularly contribute to articles, industry journals, and present at academic conferences around the world.

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