[VD05] Nitrates in groundwater
[VD05] Nitrates in groundwater
Key message
Nitrates pollution burden mainly alluvial aquifers. Despite measures applied to the water bodies, no trend of lowering nitrate concentrations is observed.
Definition
Charts
Figure VD05-1: Annual average concentrations of nitrates at groundwater sampling points in 2008
Sources:
Standardised Database for Water Quality Monitoring, Environmental Agency of the Republic of Slovenia, 2009
Figure VD05-2: Trend in nitrate concentrations at monitored water bodies of groundwater
Sources:
Standardised Database for Water Quality Monitoring, Environmental Agency of the Republic of Slovenia, 2007
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1001 Savska kotlina in Ljubljansko barje | mg NO3/l | 23.39 | 22.8 | 21.62 | 21.94 | 20.68 | 20.71 | 20.89 | 22.85 | 22.71 | 18.68 |
| 1002 Savinjska kotlina | mg NO3/l | 49.96 | 43.68 | 47.16 | 55.49 | 43.88 | 50.45 | 65.03 | 57.83 | 45.37 | 47.29 |
| 1003 Krška kotlina | mg NO3/l | 21.84 | 23.8 | 20.39 | 25.68 | 32.96 | 22.34 | 29.44 | 24.76 | 26.94 | 21.1 |
| 3012 Dravska kotlina | mg NO3/l | 45.06 | 48.34 | 45.36 | 46.46 | 39.71 | 40.31 | 49.37 | 51.45 | 53.3 | 39.15 |
| 4016 Murska kotlina | mg NO3/l | 47.63 | 39.75 | 47.34 | 34.46 | 39.87 | 37.81 | 41.81 | 44.75 | 36.46 | |
| quality standard | mg NO3/l | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| 2008 | |||||||||||
| 1001 Savska kotlina in Ljubljansko barje | mg NO3/l | 19.7 | |||||||||
| 1002 Savinjska kotlina | mg NO3/l | 48.65 | |||||||||
| 1003 Krška kotlina | mg NO3/l | 24.77 | |||||||||
| 3012 Dravska kotlina | mg NO3/l | 40.33 | |||||||||
| 4016 Murska kotlina | mg NO3/l | 32.3 | |||||||||
| quality standard | mg NO3/l | 50 |
Figure VD05-3: Vsebnosti nitratov ob posameznih merjenjih na izbranih obremenjenih merilnih mestih podzemnih voda
Sources:
Enotna zbirka podatkov monitoringa kakovosti voda, Agencija RS za okolje, 2009
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lipovci | mg NO3/l | 127.3 | 120.3 | 128.6 | 105.9 | 95.2 | 94.5 | 100 | 110.3 | 92.8 | |
| Lancova vas | mg NO3/l | 76.2 | 73 | 81.1 | 85.3 | 82 | 79.7 | 87.1 | 93 | 94.5 | 86.5 |
| Šempeter | mg NO3/l | 97 | 84.2 | 77.6 | 106.1 | 99.7 | 95.2 | 125.5 | 95.5 | 74 | 75.3 |
| Godešič | mg NO3/l | 58.5 | 64.4 | 67.2 | 76.9 | 62 | 59.8 | 59.1 | 67.8 | 66.3 | 60.7 |
| quality standard | mg NO3/l | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| 2008 | |||||||||||
| Lipovci | mg NO3/l | 86.5 | |||||||||
| Lancova vas | mg NO3/l | 91 | |||||||||
| Šempeter | mg NO3/l | 88.5 | |||||||||
| Godešič | mg NO3/l | 68.3 | |||||||||
| quality standard | mg NO3/l | 50 |