NPDES / VPDES Permit Support

  • ​6 Minimum Control Measures (MCM) for MS4 permits including:

  1. Illicit discharge detection and elimination (IDDE), planning and execution

  2. Post-Construction Stormwater BMP facility inspections

    1. VADEQ Stormwater BMP Inspector​

    2. Confined Space Entry Certified

  3. Erosion and Sediment Control (ESC) inspection support for construction sites (VA, MD)

  4. Pollution Prevention and Good Housekeeping audits and training

  5. Public Participation & Involvement support

  6. Public Outreach & Outreach support

  • Chesapeake Bay and local TMDL planning

  • Watershed Implementation Plans

  • Impervious Acre Treated (IAT)​ support

  • Annual reporting support

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

  • English to Spanish translations for Spanish-speaking community


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


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

  • Complete, 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 and 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) Inspection

  • TMDL Plans

  • Training for on-site staff

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