Water Operator Practice Test

The hydrologic cycle, aquifers and wells, drawdown, reservoirs and stratification, watershed protection and storage.

Coagulation and flocculation, jar tests, sedimentation, filter operation and backwash, turbidity and filter problems.

Chlorine forms and chemistry, breakpoint, CT, chloramines, UV and ozone, DBPs, chlorine safety and main and tank disinfection.

Corrosion control, iron and manganese, fluoridation, taste and odor, softening, aeration and other treatment chemistry.

Bacteriological sampling, coliform tests, pH, alkalinity, hardness, turbidity, chlorine and fluoride analysis, and lab QC.

Pipe materials and installation, services and taps, main breaks, flushing, valves, hydrants and storage tank care.

Pressure and head, flow and velocity, head loss, water hammer, pressure zones, storage tanks, water age and SCADA.

Cross-connections, backsiphonage and backpressure, air gaps, RP and double check assemblies, vacuum breakers and testing.

The SDWA, MCLs, RTCR, Lead and Copper Rule, surface water and DBP rules, public notice, records, and California and Texas rules.

Volume, flow and detention time, the pounds formula, chlorine and fluoride dosing, CT, filtration rates, pressure and horsepower.

Wastewater characteristics, bar screens, grit removal, primary clarifiers, scum, sludge pumping and flow equalization.

Aeration, RAS and WAS, MLSS, settleometers and SVI, F/M and MCRT, bulking, foam, nitrification and nutrient removal.

Trickling filters, recirculation, sloughing, ponding and flies, RBCs, facultative and aerated ponds and lagoons.

Thickening, anaerobic and aerobic digestion, digester gas and safety, dewatering and Part 503 biosolids rules.

Effluent chlorination and dechlorination, UV, contact tanks, nutrients, tertiary filtration, reuse and effluent disposal.

Grab and composite samples, preservation, BOD, TSS, DO, pH, settleable solids, bacteria and lab QC.

The Clean Water Act, NPDES and TPDES permits, secondary treatment standards, DMRs, bypass and overflow reporting, and state operator rules.

Loading, detention time, overflow and weir rates, F/M, SVI, MCRT, removal efficiency, chlorine dosing, sludge and pumping rates.

Jetters, vacuum trucks, rodders and root cutters, CCTV, smoke and dye testing, plugs, bypass pumping and gas detectors.

Gravity sewers and manholes, laterals, stoppages, roots, FOG, corrosion, construction testing and rehabilitation.

Inflow and infiltration, flow monitoring, sanitary sewer overflows and response, FOG programs, odors and industrial users.

Wet wells, submersible and dry-pit pumps, level controls, alarms, force mains, check valves, standby power and odor control.

Centrifugal and positive displacement pumps, packing, bearings, motors, generators, chemical feeders, meters and instruments.

Confined spaces, gas hazards, trenching, traffic control, lockout/tagout, chemicals and PPE, and hygiene.

Logs and records, customer complaints, emergency plans, security, budgets, supervision and planning.