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- Technical guide· Knowledge & TrainingRO operation and cleaning: a field guideNormalizing performance data, reading the trends, and deciding when to clean.3 Nov 2026Open the guide
- 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· Agriculture & IrrigationIrrigation Water Quality Assessment: SAR, EC and Soil Permeability ImpactsThe Sodium Adsorption Ratio (SAR) and electrical conductivity (EC) are the two primary indices for assessing irrigation water suitability. This article explains how they are calculated, how they interact to affect soil permeability and crop yield, and how the Ayers-Westcot framework translates measurements into practical irrigation restrictions.3 Nov 2026Read article
- Article· Labs & QualityISO/IEC 17025 Accreditation for Water Quality Laboratories: A Practical GuideISO/IEC 17025:2017 is the international standard for testing and calibration laboratory competence. This guide outlines the key requirements, common non-conformities in water quality laboratories, and practical steps for achieving and maintaining accreditation under a national accreditation body.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· 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
- Webinar· Knowledge & TrainingCutting Aeration Energy: Live Q&AA recorded session on ammonium-based control, with audience questions.3 Nov 2026Watch the webinar
- 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· Agriculture & IrrigationSAR: an introductionWhat SAR covers within Soil, Salinity & Toxicity, the questions it answers in practice, and where to read next.28 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· Agriculture & IrrigationTreated Wastewater: an introductionWhat Treated Wastewater covers within Water Sources, the questions it answers in practice, and where to read next.25 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· 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· Agriculture & IrrigationSodicity: an introductionWhat Sodicity covers within Soil, Salinity & Toxicity, the questions it answers in practice, and where to read next.14 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· Labs & QualityProficiency: an introductionWhat Proficiency covers within Calibration & QA/QC, the questions it answers in practice, and where to read next.12 Oct 2026Read article
- Article· Labs & QualityHigh-Resolution MS: an introductionWhat High-Resolution MS covers within Advanced Analytics, the questions it answers in practice, and where to read next.11 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· Agriculture & IrrigationFarm-Level Treatment: an introductionWhat Farm-Level Treatment covers within Farm & Food Safety, the questions it answers in practice, and where to read next.6 Oct 2026Read article