stormwater/npdes

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

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

Storm Water Pollution Prevention Plans (SWPPPs)
PRDs, SMARTS
BMP Design
Training
Third Party Inspections
Storm Sampling
Reporting