Environmental Consulting & Engineering Services - from Concept to Reality

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Land & Waterfront Development



Case Study

Berkeley RiverGreen
Berkeley RiverGreen

ESS is the lead permitting consultant and civil/site engineer for the RiverGreen Technology Park. RiverGreen is a 500,000 square feet business park offering research and development, light manufacturing and assembly, and office space.
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Learn More About Land & Waterfront Development

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ESS has been very responsive to our needs and exhibited professionalism in all aspects of their work. Their range of expertise was essential for our Mayaguana project since it includes an airport, marinas, power plants, desalination, and roads, in addition to resort, subdivision, and home development.

Marc Herdegen, Vice President, Mayaguana Management Company Ltd.

Stormwater Management

c-stormwaterWhether our clients are developing a retail shopping center, a golf course, a power plant, or a multifamily condominium, ESS seeks practical engineering solutions for stormwater control. ESS has prepared numerous Storm Water Pollution Prevention Plans and discharge permit applications for facilities of all sizes under both state and federal guidelines. We consider the unique features of every site and design stormwater systems that meet each project’s specific needs including the business objectives of our clients.

Stormwater Services

ESS stormwater consulting and engineering services include:

  • Watershed Delineation
  • Drainage Control Studies
  • Site-specific Structural Controls and Alternatives Analysis
  • Design and Evaluation of Non-structural Controls
  • Stormwater Management Plans
  • Erosion and Sedimentation Control
  • Storm Water Pollution Prevention Plans (SWPPP)
  • Operation and Maintenance Plans

Innovative Approaches to Stormwater Control

ESS engineers are on the cutting edge of stormwater management engineering. For more than 10 years, ESS has designed and overseen construction of the latest in alternative stormwater treatment and Low Impact Development (LID) stormwater systems. These include water quality treatment using infiltration ponds/trenches, rain gardens, and porous pavement features. ESS has also assisted municipal clients with design and evaluation of non-structural controls including Ordinances and By-laws, public outreach programs, and stormwater utilities.

Removal of Pollutants

New stormwater regulations require the removal of pollutants such as sediment and nutrients from stormwater before it is discharged to the environment. Stormwater assessments for projects subject to these regulations must now address not only the volume of stormwater to be removed or contained on a site, but also the volume of associated pollutants that the stormwater may introduce into the environment. Many older systems must also be upgraded to adhere to these new pollutant removal standards. ESS excels in these quantitative evaluations.

Quantitative Analysis and Modeling

ESS water resource scientists and engineers have conducted dozens of comprehensive stormwater evaluations and watershed assessments. These stormwater assessments address stormwater system design, permitting, and annual reporting through:

  • Runoff Volume Calculations
  • Sizing of Stormwater Conveyance Structures
  • Dry and Wet Weather Sampling
  • Hydrologic and Pollutant Load Modeling
  • Rainfall and Discharge Event Monitoring
  • Stream, Lake, and Pond Assessments