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Population connected to at least secondary wastewater treatment

<p>This indicator measures the percentage of the population connected to wastewater treatment systems with at least secondary treatment. Thereby, wastewater from urban or other sources is treated by a process generally involving biological treatment with a secondary settlement or other process that removes organic material and reduces its biochemical oxygen demand (BOD) by at least 70 % and chemical oxygen demand (COD) by at least 75 %. Data presented in this section stem from the Water Statistics of the European Statistical System (ESS).</p>

eu-estat-sdmx:SDG_06_20

Population connected to at least secondary wastewater treatment

ESTAT

Publisher
ESTAT
Source
Eurostat (eu-estat-sdmx)
Status
Active
Formats
SDMX-XML
Licence
EU reuse policy (Commission Decision 2011/833/EU) — attribution required · open
Standard
SDMX 2.1
Countries
34 countries and areas — see list below
Dataset id
eu-estat-sdmx:SDG_06_20
Last verified
2026-09-27

Geographic coverage

Population connected to at least secondary wastewater treatment carries observations for 34 countries and areas:

Albania · Austria · Bosnia and Herzegovina · Belgium · Bulgaria · Switzerland · Cyprus · Czechia · Germany · Denmark · Estonia · Greece · Spain · European Union - 27 countries (from 2020) · Finland · France · Georgia · Croatia · Hungary · Ireland · Italy · Lithuania · Luxembourg · Latvia · Malta · Netherlands · Norway · Poland · Romania · Serbia · Sweden · Slovenia · Slovakia · Türkiye