EPA - Ireland's Environment, An Integrated Assessment - 2020

Ireland’s Environment – An Integrated Assessment 2020 Figure 7.10a  Nitrate (left) and phosphorus (right) concentrations in rivers, 2013-2018, showing trends increasing (red dots), stable (yellow dots) and decreasing (blue dots) (Source: EPA) Figure 7.10b  Annual loads of total nitrogen (TN; left) and total phosphorus (TP; right) from rivers to the sea, 1990-2018. Loads of TN and TP have increased by 8800 (16%) tonnes and 326 (31%) tonnes, respectively, since 2012-2014 (Source: EPA) 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 TN (Tonnes N/Yr) Year Year TP (Tonnes P/Yr) 0 20,000 40,000 60,000 80,000 100,000 120,000 0 1,000 2,000 3,000 4,000 5,000 174