87 items
Articles
SectionKnowledge & TrainingSectionWater TechnologiesSectionWater InsightsSectionProcesses & OperationsSectionWater SystemsClear all
- Article· Water TechnologiesHow reverse osmosis worksOsmosis, the pressure that reverses it, and why the dense layer of an RO membrane keeps salt out.3 Nov 2026Read article
- Article· Knowledge & TrainingWater Operator Competency and Certification: A Global Framework OverviewWater operator certification — requiring demonstrated competency in treatment process management, hydraulic operations, water quality monitoring and emergency response — is a cornerstone of safe water supply. This overview compares the US, EU, Australian and IWA frameworks and the core competency domains they share.3 Nov 2026Read article
- Article· Water TechnologiesReverse Osmosis Membrane Selection: An Engineering Guide for Water Treatment ProjectsSelecting the right RO membrane element requires balancing salt rejection, permeate flux, fouling resistance, pressure rating, and total cost of ownership. This guide walks through the key parameters, qualification testing, and the CAPEX/OPEX trade-offs relevant to seawater, brackish water, and wastewater reuse applications.3 Nov 2026Read article
- 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· Water InsightsPFAS in Drinking Water: A Policy Watch for 2024 and BeyondThe US EPA's April 2024 Maximum Contaminant Levels for six PFAS compounds, the EU's proposed 0.10 µg/L sum-of-PFAS standard, and the WHO 2022 interim guideline of 0.10 µg/L for PFOA/PFOS define the new regulatory landscape utilities must prepare for.3 Nov 2026Read article
- Article· Water InsightsGlobal Desalination Capacity: Trends Driving the Next Wave of PlantsInstalled desalination capacity crossed 100 million m³/d in 2023. This analysis examines the technology mix, regional distribution, energy intensity and cost trajectories shaping the next decade of seawater and brackish water treatment.3 Nov 2026Read article
- Article· Water InsightsTransboundary: an introductionWhat Transboundary covers within Policy & Standards, the questions it answers in practice, and where to read next.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 TechnologiesNF: an introductionWhat NF covers within Filtration & Membranes, the questions it answers in practice, and where to read next.29 Oct 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· Knowledge & TrainingAdvisory Services: an introductionWhat Advisory Services covers within Expert Network, the questions it answers in practice, and where to read next.19 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 TechnologiesCoagulants: an introductionWhat Coagulants covers within Chemicals & Materials, the questions it answers in practice, and where to read next.13 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 TechnologiesAOPs: an introductionWhat AOPs covers within Chemical Treatment, the questions it answers in practice, and where to read next.7 Oct 2026Read article
- Article· Water InsightsSmart Infrastructure: an introductionWhat Smart Infrastructure covers within Digital Trends, the questions it answers in practice, and where to read next.3 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