Ca Grade 2 Wastewater Treatment EXAM COVERAGE
Operator Exam
California Grade 2 Wastewater Treatment
Operator Exam
California wastewater regulations and State
Water Resources Control Board requirements
NPDES permit compliance and effluent
limitations
Advanced preliminary and primary treatment
operations
Secondary treatment processes (activated
sludge, trickling filters, RBCs)
Biological nutrient removal (nitrogen and
phosphorus basics)
Sludge treatment: digestion (aerobic/anaerobic),
thickening, dewatering
Disinfection systems (chlorination, UV,
dechlorination)
Laboratory analysis: BOD, TSS, pH, DO,
ammonia, MLSS/MLVSS
Process control calculations (F/M ratio, SRT,
loading rates, detention time)
Flow measurement and sampling techniques
Pumps, blowers, motors, and mechanical
equipment operation
Instrumentation and basic SCADA concepts
Safety procedures (confined space,
, lockout/tagout, chemical handling)
Troubleshooting process upsets and operational
adjustments
Recordkeeping, reporting, and compliance
documentation
What will the addition of chlorine decrease the pH
gas do to the pH of wastewater?
What is the purpose of a Parshall Measure the flow rate
Flume?
65 to 70% by volume
What is the methane content in a
properly operating anaerobic
digester?
What is the typical removal 95 to 99%
efficency of settleable solids in a
primary clarifier?
Which of the follwing is true about scum causes more piping problems than other
pumoing scum from a primary substances pumped at a wastewater treatment
clarifier? plant
Operator Exam
California Grade 2 Wastewater Treatment
Operator Exam
California wastewater regulations and State
Water Resources Control Board requirements
NPDES permit compliance and effluent
limitations
Advanced preliminary and primary treatment
operations
Secondary treatment processes (activated
sludge, trickling filters, RBCs)
Biological nutrient removal (nitrogen and
phosphorus basics)
Sludge treatment: digestion (aerobic/anaerobic),
thickening, dewatering
Disinfection systems (chlorination, UV,
dechlorination)
Laboratory analysis: BOD, TSS, pH, DO,
ammonia, MLSS/MLVSS
Process control calculations (F/M ratio, SRT,
loading rates, detention time)
Flow measurement and sampling techniques
Pumps, blowers, motors, and mechanical
equipment operation
Instrumentation and basic SCADA concepts
Safety procedures (confined space,
, lockout/tagout, chemical handling)
Troubleshooting process upsets and operational
adjustments
Recordkeeping, reporting, and compliance
documentation
What will the addition of chlorine decrease the pH
gas do to the pH of wastewater?
What is the purpose of a Parshall Measure the flow rate
Flume?
65 to 70% by volume
What is the methane content in a
properly operating anaerobic
digester?
What is the typical removal 95 to 99%
efficency of settleable solids in a
primary clarifier?
Which of the follwing is true about scum causes more piping problems than other
pumoing scum from a primary substances pumped at a wastewater treatment
clarifier? plant
