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NPDES & VPDES Permit Support

  • ​6 Minimum Control Measures (MCM):

    • Illicit discharge detection and elimination (IDDE), planning and execution

    • Post-Construction Stormwater BMP facility inspections

      • VADEQ Stormwater BMP Inspector​

      • Confined Space Entry (CSE) certified and equipped

    • Erosion and Sediment Control (ESC) inspection support for construction sites

    • Pollution Prevention and Good Housekeeping audits and training

    • Public Participation & Involvement

    • Public Outreach & Outreach

  • Chesapeake Bay and local TMDL planning

  • Watershed Implementation Plans (WIPs)

  • Impervious Acre Treated (IAT)​ support

  • Annual reporting

  • White papers, state-of-the-science reports, literature reviews

  • English to Spanish translations for Spanish-speaking community

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Streams and Forests

  • Maryland Forest Stand Delineations, Qualified Professional

  • Maryland Forest Conservation Plans, Qualified Professional

  • Stream benthic invertebrate sampling

    • MD DNR MBSS Certified

  • Steam physical habitat assessments

    • MD DNR MBSS Certified

  • Stream restoration post-construction monitoring / inspections & crediting analysis

  • BEHI - Bank Erosion Hazard Index and NBS - Near Bank Stress assessments.

  • Bulk density measurement and bank nutrient chemistry

  • Post stream and outfall restoration monitoring


Industrial Stormwater Permits


12-SW, 12-SW-A, 20-SW, VAR05, MSGP


We provide support for federal facilities, state, county and local governments, school systems, universities, wastewater treatment plants (WWTPs), landfills, recycling facilities, compositing facilities and private industrial sites

  • System-wide audits

  • Stormwater pollution prevention plans (SWPPP, P3) and updates

  • Annual trainings for SWPPP team and general staff

  • Testing for SWPPP team members and site staff

  • Annual and quarterly inspections

  • Stormwater sampling

  • Stormwater BMP treatment facility inspections

  • Stormwater BMP treatment facility conceptual designs and prioritization to meet TMDLs

  • Chesapeake Bay Restoration requirements / impervious cover treatment requirements


Construction General Permit (CGP)

  • VAR10,14GP, 20CP

  • Pre-construction kick-off & orientation meetings

  • Stormwater pollution Prevention Plans (SWPPP)

  • SWPPP inspections

  • Pollution Prevention Plans (P2)

  • Erosion and Sediment Control (ESC) inspections

  • TMDL Plans

  • Training for on-site staff

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