Water Treatment Vocabulary Flashcards

This set of flashcards covers key vocabulary and concepts related to water treatment processes, providing definitions and explanations to aid in understanding and memorization for exams.

Coagulation

The process of destabilizing particles so they can agglomerate together.

Flocculation

A process that involves gentle mixing to build larger flocs without breaking them apart.

Sedimentation

The process of allowing floc to settle under quiescent conditions to remove particles from water.

Hydraulic detention time

The theoretical time water spends in a treatment unit, calculated as volume divided by flow.

Backwash

The process of reversing flow through a filter to clean it.

CFS

Cubic feet per second, a measure of flow rate.

PSI

Pounds per square inch, a measure of pressure.

Alkalinity

The capacity of water to resist changes in pH, often determined by the presence of bicarbonates and carbonates.

Turbidity

A measure of cloudiness in water caused by suspended particles.

Chlorination

The process of adding chlorine to water for disinfection purposes.

Supernatant

The clear liquid remaining above the sediment after sedimentation.

Filtration

The process of removing particles from water by passing it through a porous medium.

Taste-and-odor analysis

The evaluation of water quality based on sensory perceptions.

Operator certification

Regulations that ensure qualified personnel are responsible for system operation.

Consumer Confidence Report (CCR)

A report that provides information about the quality of drinking water supplied to consumers.

Disinfection byproducts (DBPs)

Chemical compounds formed when disinfectants react with natural organic matter in water.

Jar test

A laboratory method used to determine optimal coagulant dosages.

Source water

Water that is taken from the environment for treatment and consumption.

Chemical feed calibration

The process of adjusting chemical feeders to ensure correct dosages.

Flow rate

The volume of water that passes through a given point in a specified period.

Microbial barriers

Processes or methods used to protect drinking water from microbial contamination.

Corrosion control

Methods used to minimize the corrosion of pipes and plumbing materials.

Rising discharge temperature

A warning sign indicating potential mechanical problems in blowers or compressors.

Chain of custody

A process that documents who has handled a sample and when, crucial for legal and compliance reasons.

Specific capacity

The measure of a well’s productivity, calculated as the pumping rate divided by drawdown.

Orthophosphate

A chemical used in water treatment to reduce corrosion and stabilize water quality.

Breakpoint chlorination

A chlorination process that effectively satisfies chlorine demand and oxidizes ammonia.

Detention time

The time water remains in a given treatment unit, impacting its effectiveness.

pH meter calibration

The process of setting a pH meter to ensure accurate readings.

Fluoride

A chemical added to water for dental health benefits.

Groundwater

Water stored underground in aquifers, usually having different chemical characteristics than surface water.

Surface water

Water that collects on the surface of the ground, such as rivers and lakes.

Raw water contamination

Pollution of source water before treatment.

Reservoir stratification

The layering of water in a reservoir, often leading to differences in temperature and dissolved oxygen.

Um due to turbidity

A measure of the cloudiness of water caused by suspended solid particles.

Treated water

Water that has undergone filtration and disinfection processes.

Coagulant

A chemical added to water to promote coagulation.

Chloramines

Compounds formed when chlorine reacts with ammonia, used to maintain residual disinfection.

Filter loading rate

The rate at which water flows through a filter, typically expressed as gpm per square foot.

Pressure gauge maintenance

Routine checks on gauges to ensure accurate pressure readings.

Vapor bubble collapse

A phenomenon causing cavitation in pumps, leading to damage.

Jar test results

The outcomes of a jar test indicating the effectiveness of coagulants.

Water quality standards

Regulations set to ensure safe drinking water for consumers.

Water treatment plant

A facility where water is treated to make it safe for consumption.

Sample preservation

Methods used to maintain the integrity of a water sample until analysis.

Collusion

Cooperation between entities to achieve an illegitimate aim, contrary to the regulation.

Aesthetic qualities

Attributes of water that affect its appearance, taste, and smell.

Public notification requirements

Mandates for utilities to inform the public about water quality violations.

Aquifer recharge

The process of water entering an aquifer, contributing to groundwater levels.

Corrosion coupon

A metal piece used to measure the corrosion rate within water pipelines.

Contamination hazards

Potential sources of pollution that could compromise the safety of drinking water.

Sludge removal

The process of extracting settled solids from treatment basins.

Prevention of backflow

Measures implemented to prevent contaminated water from entering the clean water supply.

Dissolved oxygen

The amount of oxygen available in water for aquatic life.

Turbidity compliance

Meeting regulatory standards for acceptably low levels of turbidity in drinking water.

Finished water storage

The holding of treated water prior to distribution.

Conventional filtration

A treatment process employing coagulation, flocculation, sedimentation, and filtration.

Operator rounds

Routine monitoring conducted by operators to ensure proper plant operation.

Ozone treatment

A disinfection process that uses ozone to kill pathogens.

Seasonal source-water trends

Patterns in water quality changes throughout the year that inform operational adjustments.

Volatile compounds

Substances that can easily evaporate and contaminate air and water.

Surface runoff

Water flow over land that can carry pollutants into water bodies.

Raw-water assessments

Evaluations of source water quality before treatment.

Measurement of alkalinity

The assessment of water's ability to neutralize acids.

Operator staffing schedule

A plan that outlines the personnel needed for effective plant operation.

Chemical storage protocols

Guidelines for safe handling and storage of treatment chemicals.

Water quality testing

Laboratory procedures to analyze the safety and characteristics of water.

Chemical feed system

Equipment used to deliver treatment chemicals into water.

Routine maintenance

Scheduled activities to ensure equipment operates effectively.

Corrosive tendency

The likelihood of materials to deteriorate due to contact with water.

Pollutant sources

Origins of contamination that affect water supply.

Alarm response protocols

Instructions for operators on how to react to alarms indicating equipment failure.

Meeting health regulations

Complying with standards to protect public health concerning water quality.

Final disinfection stages

The last step in treatment to ensure water is safe for consumption.

Water conservation practices

Methods aimed at reducing water waste during treatment and distribution.

Water sampling parameters

Guidelines detailing when, how, and where water samples should be collected.

Assuring operator competency

Ensuring that operators have the necessary skills and knowledge for effective water treatment.

Safety management in laboratories

Practices designed to ensure a safe working environment for laboratory personnel.

Monitoring contaminant levels

The ongoing assessment of harmful substances in drinking water.

Water operator essential knowledge

The fundamental information required for effective operation in water treatment.

Physical barriers to contamination

Structures or processes that prevent polluted water from entering clean supplies.

Water distribution networks

The systems through which treated water is delivered to consumers.

Chemical dosage evaluation

The assessment of the amount of treatment chemicals supplied to water.

Procedural adherence

The commitment to following established processes in water treatment operations.

Pump efficiency assessment

Analyzing the output of pumps relative to their energy consumption.

Compliance with testing regulations

Following legal requirements for regular testing of drinking water quality.

Environmental impacts on water

The effects of natural and human activities on water quality.

Record retention importance

The necessity of keeping accurate records of water treatment activities.

Contamination alerts

Notifications about potential risks to water quality that require immediate action.

Chemical feed rate adjustment

The modification of the speed at which chemicals are introduced into the treatment process.

Raw water evaluation criteria

Standards used to assess the quality and safety of source water.

Treatment process complications

Challenges that may arise in effectively treating water.

Filtration media maintenance

Routine care for the materials that remove impurities from water.

Water safety initiatives

Programs aimed at protecting public health through improved water quality.

Chemical reaction dynamics

The study of how chemicals behave and interact within the water treatment process.

Water billing accuracy

Ensuring that customers are charged correctly for water usage.

Notice of violation procedures

The process for informing consumers of any regulation breaches in water quality.

Sample analysis techniques

Methods used to determine the composition and safety of water samples.

Head loss measurement

Calculating the reduction in pressure as water flows through treatment systems.

Permitted discharge levels

Regulatory limits on the concentrations of pollutants that can be released.