Wastewater

Municipal wastewater treatment

Inadequate management of municipal wastewater is one of the core problems in the Danube River Basin.

The contamination of groundwater and rivers with untreated wastewater can be harmful in many ways and the long-term effects of such pollution reduce biodiversity in aquatic ecosystems, and affect human water uses, such as drinking water sources.

The contamination of groundwater and rivers with untreated wastewater from residential, commercial, and industrial areas can be environmentally harmful in many ways. Microorganisms can spread disease; the decomposition of organic materials can cause oxygen depletion in rivers, lakes, leading to the release of foul-smelling gases. Toxic substances in wastewater can accumulate in living organisms; and the nutrients in wastewater also worsen eutrophication.

The long-term effects of such pollution are also

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