Stormwater Engineering

Stormwater runoff management practices have become very complex and subsequently expensive. An expert with an understanding of applicable regulation, extensive design experience, and an evolving working knowledge of available best management practices (BMP) is needed or money and valuable land space can be wasted. Let the experienced engineers and scientists at St.Germain assist you in your stormwater management needs.  Our staff has been designing and permitting stormwater projects since 1992, and we have developed excellent working relationships with local and state regulatory agencies.

Our Stormwater Services Include

  • National Pollutant Discharge Elimination System (NPDES) Permitting, Maintenance and Recertifications, and Long-Term Municipal Separate Stormwater Sewer Systems (MS4) Compliance
  • Stormwater Pollution Prevention Plan (SWPPP) Preparation and Site Development Permitting
  • Stormwater Runoff and Flood Control Management Design
  • Stormwater Quality Enhancements and BMP Design
  • Stormwater BMP Retrofit Evaluation and Design
  • Innovative Low Impact Sustainable Design and Green Infrastructure Design
  • Erosion and Sedimentation Control Plans and Third Party Inspections (3PIs)
  • Municipal Stormwater Utility Credits Assistance

Select Stormwater Project Sites

  • Casella Waste Systems, Inc. – Westbrook, Maine
  • Aggregate Recycling Corporation – Eliot, Maine
  • Westbrook Housing / Millbrook Estates – Westbrook, Maine
  • Hissong Concrete Batch Plan – Westbrook, Maine
  • Global CNG Facility – Bangor, Maine
  • Waste Management – Portland, Maine