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Practice diagnosing floc growth and breakage, interpreting staged mixing, and calculating nominal basin exposure. Prerequisites are coagulation principles and volume/flow units. Cover: Flocculation Test — NOIRLab/NSF/AURA, via [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Flocculation_Test_(IMG-9150-CC).jpg), [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). Cropped and resized.
Nov 2, 2026
Practice planning controlled jar tests, interpreting dose and pH trials, and checking the transition from bench results to plant operation. Basic coagulation chemistry and concentration calculations are useful prerequisites. Cover: Flocculation Test — NOIRLab/NSF/AURA, via [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Flocculation_Test_(IMG-9150-CC).jpg), [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). Cropped and resized.
Nov 2, 2026
Practice choosing and troubleshooting coagulants and polymer aids, tracking alkalinity and converting an active dose into product feed mass. Prerequisites are concentration units and basic coagulation mechanisms.
Nov 2, 2026
Practice interpreting colloidal behavior, coagulation mechanisms and rapid mixing. Use basic pH and turbidity knowledge to connect chemical destabilization with process evidence. Cover: Flocculation Test — NOIRLab/NSF/AURA, via [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Flocculation_Test_(IMG-9150-CC).jpg), [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). Cropped and resized.
Nov 2, 2026
Practice interpreting source-water measurements, reservoir profiles, and changes in raw-water quality. Requires basic source-water concepts; develops monitoring decisions before treatment adjustments.
Nov 2, 2026
Practice drawdown, specific capacity, measuring-point corrections, and pumping-test interpretation. Requires subtraction and ratios; develops clear unit tracking and defensible performance comparisons.
Nov 2, 2026
Practice aquifer interpretation, sanitary well components, and source-protection decisions. Requires basic groundwater vocabulary; develops inspection judgment without assuming a universal setback distance.
Nov 2, 2026
Practice source-water pathways, watershed vulnerabilities, and preventive operating decisions. Requires basic water-cycle vocabulary; develops evidence-based source assessment for drinking-water operators.
Nov 2, 2026
Practice water solutions and concentration. Build precise terminology, connect structure with function, and interpret self-contained examples and mechanisms. Use stated assumptions and distinguish the tested mechanism from related processes. Basic school science and arithmetic are helpful prerequisites. Cover photo: Ivan S / Pexels.
Nov 1, 2026
Practice atoms ions and chemical bonding. Build precise terminology, connect structure with function, and interpret self-contained examples and mechanisms. Use stated assumptions and distinguish the tested mechanism from related processes. Basic school science and arithmetic are helpful prerequisites. Cover photo: Tara Winstead / Pexels.
Nov 1, 2026
Practice measurements and evidence in human biology. Build precise terminology, connect structure with function, and interpret self-contained examples and mechanisms. Use stated assumptions and distinguish the tested mechanism from related processes. Basic school science and arithmetic are helpful prerequisites. Cover photo: Tara Winstead / Pexels.
Nov 1, 2026
Practice homeostasis and feedback reasoning. Build precise terminology, connect structure with function, and interpret self-contained examples and mechanisms. Use stated assumptions and distinguish the tested mechanism from related processes. Basic school science and arithmetic are helpful prerequisites. Cover photo: Maksim Goncharenok / Pexels.
Nov 1, 2026
