Iowa DNR Water Treatment Grade I Need-to-Know
Evaluate characteristics of source water
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Characteristics include: |
Required capabilities: |
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· Bacteriological |
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· Biological |
conditions |
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Knowledge of drawdown |
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Knowledge of normal
characteristics of water |
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· Inspect wells |
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Knowledge of watershed
protection |
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Processes include: |
Required capabilities: |
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· Aeration |
· Ability to adjust chemical feed rates, flow patterns, and |
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· Chemical addition |
process units |
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· Chlorine disinfection |
· Ability to calculate dosage rates |
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· Ability to confirm chemical strength |
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· Iron and manganese removal |
· Ability to evaluate, diagnose, and troubleshoot process units |
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· pH adjustment |
· Ability to maintain processes in normal operating conditions |
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· Ability to measure and prepare chemicals |
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· Ability to perform basic math and process control calculations |
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· Knowledge of biological science |
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· Knowledge of chemical properties |
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· Knowledge of general chemistry |
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· Knowledge of general electrical principles |
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· Knowledge of mechanical principles |
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· Knowledge of normal chemical range |
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· Knowledge of physical science |
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· Knowledge of principles of measurement |
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· Knowledge of regulations |
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· Knowledge of water treatment concepts, design parameters, and treatment processes |
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Analyses include: |
Required capabilities |
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· Chlorine demand |
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Ability to calibrate
instruments |
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· Chlorine residual |
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Ability to follow proper
sampling procedures |
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Corrosion control |
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Ability to follow written
procedures |
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Inorganic chemicals |
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Ability to interpret and
transcribe data |
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Lead and copper |
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Ability to perform
laboratory calculations |
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Microbiological |
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Ability to recognize
abnormal analytical results |
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Organic chemicals |
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Knowledge of biological
science |
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pH |
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Knowledge of general
chemistry |
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Knowledge of laboratory
equipment and techniques |
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Knowledge of normal
characteristics of water |
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Knowledge of physical
science |
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Knowledge of principles of
measurement |
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Knowledge of public notice
and CCR |
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Knowledge of quality
control and assurance practices |
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Knowledge of Standard
Methods |
Establish safety plans and apply safety procedures
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Plans and procedures
include: |
Required capabilities: |
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· Chemical hazard communication |
· Ability to assess likelihood of disaster occurring |
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· Confined space entry |
· Ability to communicate safety hazards verbally and in writing |
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Electrical grounding |
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Emergency plans |
· Ability to follow written procedures |
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Facility upset |
· Ability to generate a written safety program |
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· First-aid |
· Ability to identify potential safety hazards |
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· General safety and health |
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Ability to interpret
Material Safety Data Sheets |
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· Lifting |
· Ability to recognize unsafe work conditions |
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· Lock-out/tag-out |
· Ability to select and operate safety equipment |
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· Personal hygiene |
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Knowledge of emergency
plans |
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Personal protective
equipment |
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Knowledge of personal
protective equipment |
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Respiratory protection |
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Knowledge of potential
causes and impact of disasters |
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Safety meetings |
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Knowledge of proper
application, handling, and storage of |
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Slips, trips, and falls |
chemicals |
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Transportation |
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Knowledge of proper lifting
procedures |
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Knowledge of proper safety
procedures |
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Knowledge of risk management |
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Knowledge of safety
regulations |
Operate equipment
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Equipment includes: |
Required capabilities: |
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Backflow prevention devices |
· Ability to adjust equipment |
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· Blowers and compressors |
· Ability to evaluate operation of equipment |
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· Chemical feeders |
· Ability to monitor electrical equipment |
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· Computers |
· Ability to monitor mechanical equipment |
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· Drives |
· Knowledge of function of tools |
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· Electronic testing equipment |
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· Engines |
· Knowledge of pneumatics |
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· Generators |
· Knowledge of start-up and shut-down procedures |
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· Heavy vehicles/equipment |
· Knowledge of water treatment concepts |
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· Hydraulic equipment |
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· Instrumentation |
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Motors |
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Power tools |
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Pumps |
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Valves |
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Evaluate operation of equipment
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Tasks include: |
Required capabilities: |
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· Check speed of equipment |
· Ability to monitor and adjust equipment |
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· Inspect equipment for abnormal conditions |
· Ability to report findings |
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· Measure temperature of equipment |
· Knowledge of electrical and mechanical principles |
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· Read charts |
· Knowledge of process control instrumentation |
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· Read meters |
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· Read pressure gauges |
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Perform preventive and corrective
maintenance
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Equipment and plant area include: |
Required capabilities: |
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· Chemical feeders |
· Ability to assign work to proper trade |
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· Filters |
· Ability to calibrate equipment |
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· Generators |
· Ability to control inventory |
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· Instrumentation |
· Ability to diagnose and troublesho |