Nutrients: Nitrogen & Phosphorus
Switch tabs below to look at different variables.
Nitrogen
Total
Total nitrogen (g/m3) results for the period 2017/18 to 2019/20.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkbox to show/hide rivers order three and above on the map, and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Total Kjeldahl
Total Kjeldahl nitrogen (g/m3) results for the period 2017/18 to 2019/20.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkbox to show/hide rivers order three and above on the map, and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Dissolved inorganic
Dissolved inorganic nitrogen (g/m3) results for the period 2017/18 to 2019/20.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkbox to show/hide rivers order three and above on the map, and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Ammoniacal
pH adjusted ammoniacal nitrogen (g/m3) results for the period 2017/18 to 2019/20 benchmarked against National Objectives Framework (NOF) guidelines. Modelled grades (coloured lines on the map) are shown for River Environment Classification reaches order three and above. See methods for details on modelling and benchmarks. NOF states are met by both the Median and Maximum being within the state limit shown in the top right legend of the map below.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkboxes to show/hide layers (double clicking will bring that layer to the front), and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Nitrite
Nitrite nitrogen (g/m3) results for the period 2017/18 to 2019/20.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkbox to show/hide rivers order three and above on the map, and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Nitrate
Nitrate nitrogen (g/m3) results for the period 2017/18 to 2019/20 benchmarked against National Objectives Framework (NOF) guidelines. Modelled grades (coloured lines on the map) are shown for River Environment Classification reaches order three and above. See methods for details on modelling and benchmarks. NOF states are met by both the Median and 95th percentile (%) being within the state limit shown in the top right legend of the map below.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkboxes to show/hide layers (double clicking will bring that layer to the front), and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Nitrite-nitrate
Nitrite-nitrate nitrogen (g/m3) results for the period 2017/18 to 2019/20.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkbox to show/hide rivers order three and above on the map, and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Phosphorus
Total phosphorus
Total phosphorus (g/m3) results for the period 2017/18 to 2019/20.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkbox to show/hide rivers order three and above on the map, and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
Dissolved reactive phosphorus
Dissolved reactive phosphorus (g/m3) results for the period 2015/16 to 2019/20 benchmarked against National Objectives Framework (NOF) guidelines. Modelled grades (coloured lines on the map) are shown for River Environment Classification reaches order three and above. See methods for details on modelling and benchmarks. NOF states are met by both the Median and 95th percentile (%) being within the state limit shown in the top right legend of the map below.
Drag and scroll on the map to move and zoom in on areas of interest, hover on the site circles and river lines to see more information, click the top right checkboxes to show/hide layers (double clicking will bring that layer to the front), and use the selection box on the top left of the map ( ) to subset table data.
Click on table rows to highlight those sites on the map above and click on table headers or the arrows next to them ( ↓↑ ) to sort that column. n refers to the number of samples and units are g/m3 unless otherwise noted.
