stormwater/npdes

Since 1993, Casc has united theory with practice in guiding government agencies, private developers, and contractors through the regulatory requirements of the National Pollutant Discharge Elimination System (NPDES) permits.

 
Image of tractors on construction site.

Construction npdes

  • Storm Water Pollution Prevention Plans (SWPPPs)

  • Notices of Intent (NOI)

  • Permit Registration Documents (PRDS)

  • Changes of Information

  • Annual Reports

  • Notices of Termination (NOT)

  • Qualified SWPPP Developer (QSD) Services

  • Qualified SWPPP Practioner (QSP) Services

  • Fugitive Dust Control Plans

  • Expert Witness/Litigation Support

  • Construction Permit Training

Image of residential construction site, house being built.

New development and redevelopment

  • Water Quality Management Plans (SWMPs, WQMPs, and SUSMPs)

  • Water Quality Hydrology and Hydraulics

  • Low Impact Development (LID)

  • Site Design and Source Control BMP Design

  • Treatment Control BMP Design

Image of CASC staff providing municipal storm water sampling and monitoring.

municipal npdes

  • Municipal Program Development

  • Municipal Program Management

  • Storm Water Sampling and Monitoring

  • Commercial and Industrial Facility Inspections

  • Construction Site Inspections

  • Municipal Agency Training

  • MS4 Program Reporting

industrial npdes

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  • Storm Water Pollution Prevention Plans (SWPPPs)

  • PRDs, SMARTS

  • BMP Design

  • Training

  • Third Party Inspections

  • Storm Sampling

  • Reporting