Approved Backflow/Cross Connection Courses - Plumbers
Individuals requesting backflow training do not have to hold a valid apprentice or journeyperson plumber/gas fitter license in order to enroll or participate in backflow training.
| Point of Contact | Business Address | Business No. | 
| Darrick Day Instructor: David Hahn | 2Day Waterworks, LLC 3763 Madison Lane Falls Church, VA 22041 | 703-597-5500 | 
| Bonnie Speedy Instructor: David Hahn | ABC Craftmasters: Mid-Atlantic Backflow Academy 6901 Muirkirk Meadows Drive Beltsville, MD 20705 | 301-595-9711 | 
| Brittany Chaapel Instructors: Marc A. Wingerd | Baltimore Metropolitan Chapter of Associated Builders and Contractors, Inc. 2101 East Biddle Street, Suite 5000 Baltimore, MD 21213 | 410-821-0351 Ext. 113 | 
| Rick Duncan Sr. Instructors: Nick Azmo, Paul Patterson | Delaware Rural Water Association 210 Vicker Drive Milford, DE 19963 | 302-424-3792 | 
| Sean Cleary | IAPMO Backflow Prevention Institute 18927 Hickory Creek Drive Mokena, IL 60448 | 570-341-0370 | 
| Instructor: Larry Rice | Local 489 Plumbers & Steamfitters 2 Park Street Cumberland, MD 21502 | 301-722-8515 | 
| Diane Kastner and Gregory D. Anderson | Maryland Plumbing, Heating, & Cooling                            Contractors-MPHCC 10176 Baltimore National Pike, Suite 205 Ellicott City, MD 21802 | 410-461-5977 | 
| Shelly Fishpaw Instructor: Wayne Fishpaw Rick Burda | Pipe Trades Technologies, Inc. 1317 N. Fountain Green RD Bel Air, MD 21015 | 410-638-8731 | 
| William Sompayrac Instructor: William Sompayrac | Pipeline Training Institute 1300 Allen Court Eldersburg, MD 21784 | 410-299-5216 | 
| Richard Burda and James Riley | Plumbers & Steamfitters Local 486 1201 66th Street Baltimore, MD 21237 | 410-866-5313 | 
