Compliance & Monitoring

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Compliance and Monitoring, Civil Engineering for the Environment

Our engineering services reach beyond design, function and sustainability.

Gewalt Hamilton provides stormwater permitting and compliance for 14 local municipalities, which includes the development of a Stormwater Management Program (SWMP) comprised of best management practices and measurable goals. We perform annual inspections of outfalls, coordinate water quality sampling, and prepare an annual report to the IEPA on behalf of each municipality.


We also provide stormwater permitting and monitoring for construction activities in compliance with the National Pollutant Discharge Elimination System (NPDES) permit program. Our environmental staff is qualified in erosion control practices, with numerous individuals listed as Designated Erosion Control Inspectors (DECIs).


We offer:



  • NPDES Compliance Monitoring

  • Stormwater Pollution Prevention Plan Preparation and Review

  • Soil Erosion and Sediment Control Inspections

  • Municipal Separate Storm Sewer System Compliance