| Moyennes annuelles par paramètre | Valeur seuil | Année(s) | ||||||||||
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2006-2010 | ||
Nitrates (mg(NO3)/L) | 50 | - | - | 27.2 | - | - | - | - | - | - | 33 | - |
0.5 | - | - | - | - | - | - | - | - | - | - | - | |
- Atrazine déséthyl (µg/L) | 0.9 | - | - | 0.132 | - | - | - | - | - | - | 0.14 | - |
- Atrazine (µg/L) | 0.9 | - | - | 0.025 | - | - | - | - | - | - | 0.14 | - |
- Simazine (µg/L) | 0.9 | - | - | <0.025 | - | - | - | - | - | - | 0.007 | - |
- Atrazine déisopropyl (µg/L) | 0.9 | - | - | <0.025 | - | - | - | - | - | - | 0.02 | - |
- Nicosulfuron (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | 0.01 | - |
- Glyphosate (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | 0.3 | - |
- Terbuthylazine (µg/L) | 0.9 | - | - | <0.025 | - | - | - | - | - | - | <0.005 | - |
- Terbuthylazine désethyl (µg/L), 2,6-Dichlorobenzamide (µg/L), Métalaxyl (µg/L), Bromacil (µg/L), Diméthénamide (µg/L), Dicamba (µg/L), Trifluraline (µg/L), Propazine (µg/L), Méthomyl (µg/L), Mécoprop (µg/L), 2,4-MCPA (µg/L), Linuron (µg/L), Isoproturon (µg/L), HCH delta (µg/L), HCH alpha (µg/L), Flusilazole (µg/L), Diuron (µg/L), Dichlorprop (µg/L), 2,4-D (µg/L), Chlortoluron (µg/L), Chloridazone (µg/L), Carbofuran (µg/L), Bentazone (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.005 | - |
- AMPA (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.1 | - |
- Tolylfluanide (µg/L), Endosulfan A (µg/L), Alachlore (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.02 | - |
- Tébutame (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.05 | - |
- HCH gamma (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.001 | - |
- HCH bêta (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.01 | - |
- Cyanazine (µg/L) | 0.9 | - | - | <0.025 | - | - | - | - | - | - | - | - |
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