Environmental Consulting & Engineering Services - from Concept to Reality

Water Resources & Stormwater



Case Study

Winchester Country Club
Winchester Country Club

For more than a decade, ESS has provided the Winchester Country Club with comprehensive environmental consulting and engineering services to support the Club’s routine maintenance and long-range capital improvement projects.
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Learn More About Our Water Resource & Stormwater Services

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The scientific foundation of ESS, in combination with a strong environmental engineering staff, provides a very well-balanced approach in dealing with ecosystem dynamics. They use a very sound scientific investigative basis for their decision making process. I highly recommend ESS to provide long-term pond management oversight.

Savas Danos, General Manager, Littleton Electric Light & Water

Stormwater Management

Stormwater Detention BasinESS has worked with public and private sector clients to prepare stormwater management plans and Stormwater Pollution Prevention Plans (SWPPP), develop stormwater designs, and submit stormwater permit allocations. Our civil engineers, water resource engineers and environmental scientists have collaborated to address our client’s stormwater issues during both construction and operations of their developments and facilities. ESS stormwater consulting and engineering services include:

  • Civil/Site Engineering Design
  • Hydrologic and Hydraulic Modeling
  • GIS Analysis and Mapping
  • Flood Assessments
  • Drainage Studies and Design
  • Pollutant Loading and TMDL Assessments
  • Stormwater Pollution Prevention Plans (SWPPP)
  • Stormwater Management Plans
  • Erosion and Sedimentation Control Plans
  • Stormwater Best Management Practices (BMPs)
  • Low Impact Development
  • Municipal (MS4) Stormwater Compliance
  • NPDES Stormwater Permitting and Compliance
  • Stormwater Sampling
  • Stormwater Systems and BMP Operation and Maintenance Plans

Innovative Approaches to Stormwater Control

ESS has considerable experience evaluating and implementing Low Impact Development (LID) measures and stormwater BMPs. In fact, we have developed and implemented several innovative stormwater solutions in accordance with stringent NPDES permit requirements. Some of these alternative stormwater treatments and LID designs have included 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.

Stormwater Analysis & Modeling

ESS civil engineers, water resource engineers, and environmental scientists have conducted dozens of comprehensive stormwater evaluations and watershed assessments. These assessments have involved project-specific stormwater analysis and modeling including:

  • Runoff Volume Calculations
  • Sizing of Stormwater Conveyance Structures
  • Dry and Wet Weather Sampling
  • Hydrologic and Hydraulic Load Modeling
  • Pollutant Loading Assessments
  • Effluent Discharge Monitoring
  • Receiving Water Sampling
  • Stormwater Sampling

Stormwater Permitting & Compliance

ESS has developed stormwater designs and permit applications that have supported our clients in obtaining stormwater discharge permits associated with industrial facilities, Municipal Separate Stormwater Systems (MS4), and construction sites. Our stormwater permitting experience has ranged from stormwater retrofits and BMP implementation to finding solutions at contaminated urban sites and large energy generation facilities. We have effectively navigated the complex regulations to satisfy the requirements of NPDES, state stormwater management policies, and local stormwater ordinances.