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• Historic GQA Headline Indicators of Water Courses - Chemistry

  This record is for Approval for Access product AfA162.1 'Historic GQA Headline Indicators of Water Courses - Chemistry - GQAHI (England)'. The General Quality Assessment (GQA) Headline Indicator...

  • Published by: Environment Agency

• Historic GQA Headline Indicators of Water Courses (Wales) - Chemistry

  This record is for Approval for Access product AfA162.2 'Historic GQA Headline Indicators of Water Courses - Chemistry (Wales). The General Quality Assessment (GQA) Headline Indicator scheme or...

  • Published by: Environment Agency

• Various water quality parameters covering a pre and post-planting regime (Halladale study 1995-2010)

  Our study was driven by concerns that afforesting the headwaters of the Upper Halladale River in North Scotland would affect water quality and the local salmon fishery. The main issue was the...

  • Published by: Forestry Commission

• Inputs of mercury, cadmium and lead via water and air to the Greater North Sea between 1990 and 2014

  The data shows the input loads of mercury, cadmium and lead via water and air to the Greater North Sea between 1990 and 2014. The data are separated by input loads from the UK, the OSPAR...

  • Published by: Centre for Environment, Fisheries & Aquaculture Science
  • Updated: 31 May 2023

• 25 Year Environment Plan Outcome Indicator E7: Healthy soils – Progress report

  Healthy soils are critical for the delivery of ecosystem services such as food production, water regulation, biodiversity support, and carbon storage. Maintaining soil health is crucial for soils...

  • Published by: Joint Nature Conservation Committee
  • Updated: 31 March 2024

• WFD Cycle 2 trac DIN classification

  This dataset is a subset of "WFD Classification Status Cycle 2" and contains classification data for Winter Dissolved Inorganic Nitrogen (Winter DIN) in transitional and coastal water bodies....

  • Published by: Environment Agency

• National Laboratory Service Product Data

  This dataset provides a listing of the analytical capabilities of the National Laboratory Service (NLS).

  The dataset comprises:

  1. ANALYTE_NAME Name of the substance or property being...
  • Published by: Environment Agency
  • Updated: 24 June 2025

• WFD Cycle 2 TraC dissolved oxygen classification

  This dataset is a subset of "WFD Classification Status Cycle 2" and contains classification data for Dissolved Oxygen (DO) in transitional and coastal water bodies. Physico-chemistry, in this case...

  • Published by: Environment Agency

• Historic River Quality Objectives

  This record is for Approval for Access product AfA164. The River Quality Objectives (RQO) classification was used for planning water quality improvements until 2006 when the scheme ended. RQOs were...

  • Published by: Environment Agency