Open data on 53,198 plants across 48 countries. Search by name, city, operator, or treatment level, with maps, permits, and discharge data on every page.
Top 8 countries by plant count. 24 countries indexed in total.
Treatment level determines how much pollution a plant removes before discharge.
The six biggest plants in the directory, ranked by people served.
Jump into curated slices of the directory.
Structured data, maps, and provenance. Not just a name and address.
Plant and outfall coordinates on an interactive map, plus receiving water body details.
Treatment level, process type, designed vs actual capacity, disinfection, and sludge handling.
Regulatory permit numbers, authority, owner and operator organisations with source links.
Volume, population served, dilution factor, and coastal proximity flags.
Every record shows its source, completeness percentage, and confidence score.
Plant-specific FAQs and environmental context to understand local impact.
Claim your listing to update specs and reach regulators, researchers, and local communities.