Water, explained and referenced.
Every article carries a structured infobox (machine-readable facts), a last-reviewed date, a review status, and a full reference list. Prose explains the facts; it never invents figures.
Contaminants
9 / 22pesticide residue
pesticide applied to food crops remaining on or in food. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
plutonium in the environment
plutonium present within the environment. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
polycyclic aromatic hydrocarbons
hydrocarbons composed of multiple aromatic rings. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
Q10899013
type of pollutants. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
radioactive pollutants
radioactive substances acting as pollutants. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
short-lived climate pollutants
short-lived climate pollutants is classified in Wikidata's water-domain hierarchy. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
soil pollutants
substances which pollute the soil. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
sulfuric acid mist
sulfuric acid mist is classified in Wikidata's water-domain hierarchy. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
water pollutant
substance or organism which pollutes the water or body of water. WaterAtlas represents it as a graph-backed contaminant-related concept pending subject-editor review.
Regulations & Standards
3US PFAS Drinking-Water Rule
The first legally enforceable US national drinking-water standards for PFAS, finalized by EPA in 2024, set maximum contaminant levels of 4 ng/L for PFOA and PFOS and additional limits for several other compounds.
WHO Guidelines for Drinking-water Quality
The WHO Guidelines for Drinking-water Quality provide an international risk-based framework and health-based guideline values used by jurisdictions when developing drinking-water standards.
EU Drinking Water Directive (2020/2184)
Directive (EU) 2020/2184 sets the European Union framework for the quality of water intended for human consumption, including risk-based management, parametric values and consumer information.
Reference
12 / 90Non-Revenue Water
Non-revenue water (NRW) is water that has been produced but is 'lost' before reaching customers — through physical leakage, metering inaccuracy, or unauthorized use. Reducing NRW is one of the highest-value levers in utility management, especially across rapidly urbanizing Asia.
Water & Wastewater Treatment Equipment
Unit processes and packaged systems for municipal and industrial treatment trains.
Membranes & Modules
Membrane elements, modules and membrane-process consumables.
Chemicals & Consumables
Treatment chemicals, resins, carbons and specialty sorbents.
Pumps, Valves, Pipes & Network Hardware
Fluid transport and distribution-network hardware.
Instrumentation, Monitoring & Lab
Sensing, metering, telemetry and analytical services.
Digital Water & Software
Smart metering, analytics, twins and water-utility software.
Desalination & Reuse
Desalination plants and components; potable and industrial reuse.
Engineering, Construction & Services
EPC, consultancy, O&M and field services.
Utilities & Operators
Municipal utilities, concessionaires and industrial-park operators.
Stormwater, Flood & Environment
Drainage, sponge-city products, flood protection and remediation.
Irrigation & Agricultural Water
Efficient irrigation hardware and ag-water software.