Sub-indicator 6.3.2.4. Proportion of groundwater monitoring stations reported with nitrate concentration less than 50 mg NO3/l Series
Sub-indicator 6.3.2.5. Proportion of river monitoring stations with phosphate concentration less than 0.20 mg P-PO4/l Series
Sub-indicator 6.3.2.6. Proportion of river monitoring stations with biochemical oxygen demand at 5 days (mg BOD5/l) less than 10mg/l Series