Free Water/Wastewater Operator Practice Test by State 2026: 5,100+ Questions
Video
Which Florida state agency administers the water and wastewater operator certification program?
State Laws Regulations
Question · Easy
Never enter a tank before testing the air
Short
Free water and wastewater operator practice tests for all 51 jurisdictions in 2026. Over 5,100 questions on treatment processes, Safe Drinking Water Act, and operator certification.
Blog
What is coagulation in water treatment?
Coagulation & Flocculation
Flashcard
What are the operator certification levels for water and wastewater treatment in Florida, from lowest to highest?
Agency that must license anyone operating a drinking water treatment plant, domestic wastewater treatment plant or water distribution system in the Sunshine State.
Regulations
Guess the Term
Introduction & FDEP Certification Framework
1.1 Current Exam Facts & PSI Logistics
Study guide
How many questions are on the Florida Class A/B/C operator certification exams?
Read the clue and guess the term in 6 tries.
Game
How does flocculation differ from coagulation?
How many questions and how much time is allowed for the Florida Class D operator exam?
1974 federal law that lets EPA regulate contaminants in public supplies delivered to homes.
What testing vendor administers Florida operator certification exams?
Question · Medium
Besides alum, what other coagulants and monitoring tools are used?
What education requirement must all Florida operator certification exam applicants meet?
1972 federal law that set the basic structure for regulating pollutant releases into rivers, lakes and other surface bodies.
1.2 License Families, Classes A–D & Distribution Levels
Florida operator licensure is a linear process. What does this mean?
Swap tiles to line up three of the same term.
Term Match
What is the purpose of sedimentation (clarification)?
Clarification & Filtration
What is the continuing education requirement for Florida Class C operators for biennial license renewal?
Florida's pollutant budget for an impaired lake, river or estuary, set scientifically so the water can meet its quality standards.
When must Florida operator licenses be renewed?
How does a rapid sand filter differ from a slow sand filter?
What is the Water Distribution System Operator license in Florida?
Florida restoration strategy that assigns required pollution reductions to wastewater plants, farms, stormwater systems and other sources.
1.3 Examination Eligibility, Approved Courses & Linear Progression
In Florida, what is the primary concern with saltwater intrusion in groundwater supplies?
Water Treatment
Flip two cards at a time to find matching terms.
Term Pairs
What do headloss, breakthrough, and ripening mean in filtration?
What is the primary source of drinking water for most public water systems in Florida?
Florida standard for a plant whose reclaimed product averages no more than 5 mg/L CBOD5, 5 mg/L suspended solids, 3 mg/L nitrogen and 1 mg/L phosphorus.
Wastewater treatment
Florida groundwater from the Floridan Aquifer commonly requires treatment for which naturally occurring contaminant?
How do you calculate a filter's hydraulic loading (filtration) rate?
What type of water treatment process is commonly used to remove hardness from Florida groundwater?
Beneficial use of highly treated wastewater for irrigation, industry or groundwater recharge, a practice Florida has been recognized as a national leader in.
Reclaimed water
1.4 Licensure Experience, Fees, Renewal & CEUs
What is the purpose of aeration in treating Florida groundwater?
Find five hidden terms in a grid of letters.
Term Search
What does 'CT' mean in disinfection?
Disinfection & CT
What is chloramination, and which Florida water systems commonly use it?
Clumps that form when coagulant chemicals and mixing destabilize and gather colloidal and suspended particles in water.
Chemical treatment
What is the Surface Water Treatment Rule, and how does it apply to Florida systems?
Why do operators use T10 instead of theoretical detention time for CT credit?
What is the CT value concept and how is it used to verify adequate disinfection?
Porous adsorbent bed medium with extremely high internal surface area, used to remove taste- and odor-causing compounds and disinfection byproduct precursors.
Filtration
Florida Regulations & Water Law
2.1 Chapter 62-602 Operator Certification Rules
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