Testing Services
- Information for Testing Clients
- Information for Examinees
- Examination Resources
- Exam References
- FAQs

Through our extensive technical network and professional staff, we meet our clients’ needs around the globe.
Over 65 certification programs currently utilize ABC examinations to test 36,000 operators and laboratory analysts annually. Through our testing service, ABC has become a leader in providing our members the expertise they need in the areas of environmental workforce certification and examination related services.
Our diverse testing clients represent more than 35 states, 9 Canadian provinces as well as several international and tribal programs. Over 400,000 water and wastewater operators, laboratory analysts, and backflow prevention assembly testers have taken an ABC exam since our testing program began in 1982.
- Alabama Water & Wastewater Operator Certification Program (WT, Dist, WWT, Coll)
- Alaska Department of Environmental Conservation, Division of Water (WT, Dist, WWT, Coll)
- Alberta Environment (WT, Dist, VSWS, WWT, Coll, SWWS, SolW (Landfill/Compost))
- Arizona Operator Certification Program (WT, Dist, WWT, Coll)
- Arkansas Drinking Water Advisory and Operators Licensing Committee (WT, Dist, VSWS)
- Arkansas Wastewater Licensing Committee (WWT, SWWS, BIW, PCIW)
- Atlantic Canada Water & Wastewater Voluntary Certification Program (WT, Dist, WWT, Coll)
- British Columbia Environmental Operators Certification Program (WT, Dist, VSWS, WWT, Coll, SWWS, BIW)
- California/Nevada Section AWWA Certification Program (WT, Dist, WLA, CCC, BPAT)
- Caribbean Basin Water Management Programme, Inc. (WT, Dist, VSWS, WWT, Coll, WLA, WWLA)
- Colorado Water and Wastewater Facility Operators Certification Board (WT, Dist, VSWS, WWT, Coll, SWWS)
- Connecticut Department of Public Health - Drinking Water Section (WT, Dist, VSWS)
- Connecticut DEP - Municipal Facilities Section - Wastewater Treatment Operator Certification (WWT, BIW)
- Connecticut DEP - Municipal Facilities Section - Laboratory Analyst Certification (WWLA)
- Florida DEP Water/Wastewater Operator Certification Program (WT, Dist, WWT)
- Georgia State Board of Examiners for Certification of Water & Wastewater Treatment Plant Operators & Laboratory Analysts (WT, Dist, VSWS, WWT, Coll, SWWS, PCIW, WLA, WWLA)
- Georgia Association of Water Professionals (BPAT)
- Guam Environmental Protection Agency (WT, Dist, WWT, Coll)
- Hawaii Board of Certification of Public Water System Operators (WT, Dist)
- Hawaii Board of Certification of Operating Personnel in Wastewater Treatment Facilities (WWT)
- Idaho Bureau of Occupational Licenses (WT, Dist, VSWS, WWT, Coll, SWWS, WLA, WWLA, BPAT, BLA)
- Indiana Department of Environmental Management (WT, Dist, VSWS)
- Indiana Water Environment Association (Coll)
- Inter Tribal Council of Arizona, Inc. (WT, Dist, VSWS, WWT, Coll, SWWS, WLA)
- Iowa Operator Certification Program (WT, Dist, VSWS, WWT)
- Iowa Water Pollution Control Association (Coll)
- Kansas Water Environment Association Voluntary Certification Program (Dist, Coll, BIW, PCIW, WLA, WWLA, BLA, Main)
- Kentucky Water and Wastewater Operators Association, Inc. (WLA, WWLA)
- Maine Board of Licensure of Water Treatment Plant Operators (WT, Dist, VSWS)
- Maine Wastewater Operator Certification Program (WWT)
- Manitoba Conservation (WT, Dist, VSWS, WWT, Coll, SWWS)
- Maryland State Board of Waterworks and Waste Systems Operators (WT, Dist, WWT, Coll, BIW, PCIW)
- Massachusetts Board of Certification of Operators of Drinking Water Supply Facilities (WT, Dist, VSWS)
- Massachusetts State Board of Certification of Operators of Wastewater Treatment Facilities (WWT, PCIW)
- Minnesota Department of Health (WT, Dist)
- Mississippi Department of Health (WT, BPAT)
- Mississippi Department of Environmental Quality (WWT, Coll)
- Montana Water and Wastewater Operators' Advisory Council (WT, Dist, WWT)
- National Environmental, Safety & Health Training Association (WT, WWT)
- Native American Water Association (WT, Dist, VSWS, WWT, Coll, WLA, WWLA)
- Nebraska Wastewater Treatment Plant Operator Certification Program (WWT, PCIW)
- Nevada Water Environment Association (WWT, Coll, BIW, PCIW, WWLA, Industrial Waste Inspector, Main)
- New England Water Works Association (CCC, BPAT)
- New Hampshire Department of Environmental Services (WT, Dist, VSWS)
- New Jersey Water Supply and Wastewater Operators Board of Examiners (WT, Dist, VSWS, WWT, Coll, BIW)
- New Mexico Environmental Finance Center (WT, Dist, WWT)
- New York Qualifications of Operators of Wastewater Plants (WWT)
- New York Water Environment Association, Inc. (Coll)
- North Carolina AWWA & WEA (WWLA)
- Commonwealth of the Northern Mariana Islands (WT, Dist, WWT, Coll)
- Government of Northwest Territories (WT, Dist, VSWS, WWT, Coll, SWWS)
- Nova Scotia Environment (WT, Dist, VSWS, WWT, Coll)
- Ohio Water Environment Association (PCIW, WWLA, BIW)
- Ontario Water and Wastewater Operator Licensing Program (WT, Dist, VSWS, WLA, WWT, Coll)
- Oregon Water Operator Certification Program (WT, Dist)
- Oregon Department of Environmental Quality (WWT, Coll)
- Prince Edward Island (WT, Dist, VSWS, WWT, Coll)
- Rhode Island Drinking Water Operator Certification Board (WT, Dist, VSWS)
- Rocky Mountain Water Environment Association (BLA)
- Saskatchewan Operator Certification Program (WT, Dist, VSWS, WWT, Coll, SWWS)
- South Carolina Environmental Certification Board (WT, Dist, WWT, PCIW, Well Driller, Bottled Water)
- South Dakota Operator Certification Program (WT, Dist, VSWS, WWT, Coll, SWWS)
- Texas Water Utilities Association/Laboratory Analysts Section (TWUA Laboratory Analyst)
- U.S. Army Corps of Engineers - Baltimore District (WT)
- Utah Wastewater Operator Certification Program (WWT, Coll, SWWS)
- Vermont Water Supply Division (WT, Dist, VSWS)
- Vermont Wastewater Facility Operator Certification Program (WWT, Industrial Paper, Industrial Metals, Industrial Dairy)
- Washington Water Works Operator Certification Program (WT, Dist, VSWS, CCC, BPAT)
- Washington Wastewater Operator Certification Program (WWT)
- Washington Landfill and Incinerator Operator Certification Program (SolW (Solid Waste Incinerator))
- Water Quality Association (VSWS)
- Wyoming Department of Environmental Quality, Water Quality Division (WT, Dist, WWT, Coll)
ABC Program Abbreviations
- BIW - Biological Industrial Wastewater
- BLA - Biosolids Land Application
- BPAT - Backflow Prevention Assembly Tester
- CCC - Cross-Connection
- Coll - Collection
- Dist - Distribution
- Insp - Inspectors
- Main - Maintenance
- PCIW - Physical/Chemical Industrial Waste
- SolW - Solid Waste
- SWWS - Small Wastewater System
- VSWS - Very Small Water Systems
- WLA - Water Laboratory Analyst
- WT - Water Treatment
- WWLA - Wastewater Laboratory Analyst
- WWT - Wastewater Treatment

