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Home/Waterfalls/Waterfall Types

Updated August 2026

Waterfall Types

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US lake grades use EPA National Lakes Assessment ecoregion condition classes on samples from the EPA Water Quality Portal and state agencies. Canadian measurements come from provincial open-data programmes, not the EPA. EU bathing waters use the EEA Bathing Water Directive. International named-lake chemistry is attributed on each country page. See data sources and methodology. Not affiliated with any government agency.

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