Can I Become a CCCDI Backflow Tester With a Chicago Plumber's License? https://www.isawwa.org/forums/posts.aspx?topic=671870 Sat, 11 Apr 2026 14:08:23 GMT Tue, 5 Nov 2013 21:04:51 GMT Copyright © 2013 Illinois Section American Water Works Association Can I Become a CCCDI Backflow Tester With a Chicago Plumber's License? https://www.isawwa.org/forums/posts.aspx?topic=671870 https://www.isawwa.org/forums/posts.aspx?topic=671870 Tue, 5 Nov 2013 22:04:33 GMT https://www.isawwa.org/forums/posts.aspx?topic=671871 https://www.isawwa.org/forums/posts.aspx?topic=671871 Tue, 5 Nov 2013 22:04:51 GMT