Electronic sources relevant to measure Indicator 6 - Water quality
- FAO AQUASTAT
- Bonsucro EU Production Standard - Principle 4: Actively manage biodiversity and ecosystem services
- EEA Indicator - Agriculture: nitrogen balance
- EU IRENA Indicator 20 – Pesticide soil contamination
- EU IRENA Indicator 18.1 - Gross nitrogen balance
- EU IRENA Indicator 30.1 - Nitrates in water
- EU IRENA Indicator 30.2 - Pesticides in water
- GEMS Water
- HArmonized environmental Indicators for pesticide Risk (HAIR2010)
- USGS National Water-Quality Assessment Program (NAWQA)
- RIVM
- UN Water
- U.S. Environmental Protection Agency (EPA) water monitoring & assessment
- U.S. Geological Survey SPARROW model
- WATERSHEDSS - A Decision Support System for Nonpoint Source Pollution Control