40 items
Articles
- Article· Processes & OperationsCT Disinfection Control: Managing Chlorine Contact Time in Drinking Water PlantsCT (concentration × time) is the regulatory metric for drinking water disinfection efficacy. This article explains how to calculate, monitor and optimise CT under variable flow, temperature and pH conditions, with worked examples for free-chlorine, chloramine and UV systems.3 Nov 2026Read article
- Article· Water SystemsThe Nile Basin Initiative and the GERD: Shared Waters Under StressThe Grand Ethiopian Renaissance Dam (GERD) on the Blue Nile has produced the most consequential transboundary water dispute in Africa since the 1959 Nile Waters Agreement. This article outlines the hydrological stakes, the negotiating positions, and the legal frameworks in play.3 Nov 2026Read article
- Article· Water SystemsGroundwater Overextraction in the MENA Region: Scale, Drivers and Management ResponsesNon-renewable fossil aquifers supply 30–40% of freshwater withdrawal across the MENA region. This article examines depletion rates, saltwater intrusion trajectories, and the managed aquifer recharge programmes that are beginning to slow the decline.3 Nov 2026Read article
- Article· Processes & OperationsReducing Non-Revenue Water with District MeteringDistrict metered areas turn an unmanageable network-wide loss figure into a set of tractable local problems.3 Nov 2026Read article
- Article· Processes & OperationsCutting Aeration Energy in Activated-Sludge PlantsAeration typically consumes 50–60% of a treatment plant’s electricity. Most of that is recoverable without new blowers.3 Nov 2026Read article
- Article· Water SystemsDemand Trends: an introductionWhat Demand Trends covers within Water Stress, the questions it answers in practice, and where to read next.1 Nov 2026Read article
- Article· Water SystemsWater Diplomacy: an introductionWhat Water Diplomacy covers within Shared Waters, the questions it answers in practice, and where to read next.27 Oct 2026Read article
- Article· Processes & OperationsPressure: an introductionWhat Pressure covers within Distribution Systems, the questions it answers in practice, and where to read next.21 Oct 2026Read article
- Article· Processes & OperationsJar Testing: an introductionWhat Jar Testing covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.18 Oct 2026Read article
- Article· Water SystemsIntrusion: an introductionWhat Intrusion covers within Aquifers & Salinity, the questions it answers in practice, and where to read next.17 Oct 2026Read article
- Article· Water SystemsScarcity: an introductionWhat Scarcity covers within Water Stress, the questions it answers in practice, and where to read next.16 Oct 2026Read article
- Article· Water SystemsModelling: an introductionWhat Modelling covers within Hydrology, the questions it answers in practice, and where to read next.9 Oct 2026Read article
- Article· Water SystemsSurface: an introductionWhat Surface covers within Hydrology, the questions it answers in practice, and where to read next.2 Oct 2026Read article
- Article· Processes & OperationsSedimentation: an introductionWhat Sedimentation covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.28 Sept 2026Read article
- Article· Processes & OperationsUF/MF Ops: an introductionWhat UF/MF Ops covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.22 Sept 2026Read article
- Article· Processes & OperationsSludge: an introductionWhat Sludge covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.21 Sept 2026Read article
- Article· Processes & OperationsKPIs: an introductionWhat KPIs covers within Performance & Risk, the questions it answers in practice, and where to read next.20 Sept 2026Read article
- Article· Water SystemsWater Cycle: an introductionWhat Water Cycle covers within Hydrology, the questions it answers in practice, and where to read next.18 Sept 2026Read article
- Article· Water SystemsGroundwater: an introductionWhat Groundwater covers within Hydrology, the questions it answers in practice, and where to read next.25 Aug 2026Read article
- Article· Processes & OperationsUV: an introductionWhat UV covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.21 Aug 2026Read article
- Article· Water SystemsRegional Mapping: an introductionWhat Regional Mapping covers within Desalination Context, the questions it answers in practice, and where to read next.17 Aug 2026Read article
- Article· Processes & OperationsControl: an introductionWhat Control covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.16 Aug 2026Read article
- Article· Processes & OperationsOzone: an introductionWhat Ozone covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.14 Aug 2026Read article
- Article· Water SystemsSupply Scenarios: an introductionWhat Supply Scenarios covers within Water Stress, the questions it answers in practice, and where to read next.7 Aug 2026Read article