The Water Data Centre provides the European entry point for water related data as part of the Water Information System for Europe (WISE). Data covers the following broad (non-exhaustive) themes: Water quality and contamination including surface and groundwater resource contamination with Nitrate, Phosphorous etc. Waterbase Water Quality database. Water treatment and investment water biodiversity marine environmental condition Runoff trends (including minimum flow return period analysis) Drought frequency and extent flood risk and extent including climate change impact Freshwater abstraction by source Water use by sector Economic value added and water extraction Water scarcity exposure water intensity water accounting by river basin Water and food-borne diseases water and crop production and irrigation, including land area water abstraction in candidate countries Water Statistics (Eurostat) Europe water asset accounts