Associations
American Water Works Association
Louisiana Conference on Water Supply, Sewerage and Industrial Wastes
Louisiana Rural Water Association
Online and Correspondence Courses
American Water Works Association
Environmental Business Solutions
University of California at Sacramento-California Manuals
LDH-OPH-Engineering Services
Operator Certification
P.O. Box 4489, Bin 10 Box 6
Baton Rouge, LA 70821-4489
Phone: 225-342-7508 Fax: 225-342-7494
opcert@la.gov