1751 Elton Road
Suite 300
Silver Spring, MD 20903
Ph: 301.434.7000
Fx: 301.434.9394

3959 Pender Drive
Suite 210
Fairfax, VA 22030
Ph: 703.385.7555
Fx: 703.273.8595

804 Diamond Avenue
Suite 208
Gaithersburg, MD 20878
Ph: 301.208.9573
Fx: 301.926.4551

4920 Niagara Road
Suite 308
College Park, MD 20740
Ph: 301.220.0600
Fx: 301.434.9394

129 West Patrick Street
Suite 13
Frederick, MD 21701
Ph: 301.698.9788
Fx: 301.698.9789

45 Old Solomons Island Road
Suite 204
Annapolis, MD 20878
Ph: 410.266.5599
Fx: 410.266.3871

Inspection Services

CPJ is the local leader in providing inspection services to local jurisdictions to meet their National Pollutant Discharge Elimination System regulations. We pride ourselves on providing services to meet the needs of our clients. CPJ has a dedicated inspection staff of SWM inspectors on our team that are First Aid, CPR and Confined-Space trained. Additional, dedicated staff includes professional engineers, who provide quality control and project management, landscape architects, surveyors, database administrators and GIS Specialists. Our program is geared to automate SWM compliance by integrating existing information with detailed site inspections including checklists, digital photographs, and red lined plans. Our database managers automate the creation of detailed reports and owner notification letters thus saving time and reducing staffing needs of our clients.

Services include but are not limited to:

  • NPDES compliance
  • VPDES compliance
  • Municipal Separate Storm Sewer System permit support (MS4)
  • Bond release
  • Closed Circuit Television
  • Dam safety
  • Surface facility (i.e. ponds, filters, and bioretention)
  • Underground storage unit
  • Water quality inlet inspections
  • Bathymetric studies
© 2016 Charles P. Johnson & Associates, Inc.