Moyennes annuelles par paramètre | Valeur seuil | Année(s) | ||||||||||
1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2002-2006 | ||
Nitrates (mg(NO3)/L) | 50 | - | - | 27.2 | 39 | 34 | 34 | 42 | 28.7 | 24.1 | 34 | - |
Somme pesticides analyses (?g/L) | 0.5 | - | - | - | - | - | 0.257 | 0.057 | 0.08 | 0.083 | 0.183 | - |
- Atrazine desethyl (?g/L) | 0.9 | - | - | 0.102 | 0.105 | 0.07 | 0.057 | 0.047 | 0.055 | 0.067 | 0.113 | - |
- Atrazine (?g/L) | 0.9 | - | - | 0.067 | 0.143 | 0.0267 | <0.03 | 0.02 | <0.03 | 0.0167 | 0.0217 | - |
- Metazachlore (?g/L) | 0.9 | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.01 | 0.03 | - |
- Isoproturon (?g/L) | 0.9 | - | - | 0.043 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.01 | <0.01 | - |
- Diuron (?g/L) | 0.9 | - | - | <0.05 | <0.05 | <0.05 | 0.15 | <0.05 | <0.05 | <0.01 | <0.01 | - |
- Chlortoluron (?g/L) | 0.9 | - | - | <0.05 | <0.05 | <0.05 | 0.1 | <0.05 | <0.05 | <0.02 | <0.02 | - |
- 2,4-D (?g/L) | 0.9 | - | - | - | - | <0.1 | <0.1 | <0.1 | 0.033 | <0.02 | <0.02 | - |
- Bentazone (?g/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.01 | 0.0267 | - |
- Monolinuron (?g/L) | 0.9 | - | - | - | - | - | <0.05 | 0.033 | <0.05 | <0.02 | <0.02 | - |
- Bioresmethrine (?g/L) | 0.9 | - | - | - | - | - | <0.05 | <0.05 | 0.033 | - | - | - |
- Flufenoxuron (?g/L) | 0.9 | - | - | <0.1 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.02 | <0.02 | - |
- Neburon (?g/L), Linuron (?g/L) | 0.9 | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.02 | <0.02 | - |
- Trifluraline (?g/L), HCH gamma (?g/L), HCH delta (?g/L), HCH alpha (?g/L) | 0.9 | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | - |
- Terbuthylazine (?g/L), Simazine (?g/L), Metolachlore (?g/L), Atrazine deisopropyl (?g/L) | 0.9 | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.01 | <0.01 | - |
- HCH beta (?g/L) | 0.9 | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | <0.005 | <0.005 | - |
- Cyanazine (?g/L) | 0.9 | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.04 | <0.01 | <0.01 | - |
- Alachlore (?g/L) | 0.9 | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | <0.01 | <0.01 | - |
- 2,4,5-T (?g/L), Mecoprop (?g/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.02 | <0.02 | - |
- 2,4-MCPA (?g/L) | 0.9 | - | - | - | - | <0.1 | <0.1 | <0.1 | <0.05 | <0.02 | <0.02 | - |
- Ioxynil (?g/L) | 0.9 | - | - | <0.1 | - | - | <0.1 | <0.1 | <0.05 | <0.02 | <0.02 | - |
- Hexachlorobenzene (?g/L) | 0.9 | - | - | <0.005 | - | - | <0.005 | <0.005 | <0.005 | <0.002 | <0.002 | - |
- Heptachlore epoxyde (?g/L) | 0.9 | - | - | <0.005 | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | - |
- Dichlorprop (?g/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.01 | <0.01 | - |
- Aldicarbe (?g/L) | 0.9 | - | - | <0.1 | - | - | <0.1 | <0.1 | <0.05 | <0.01 | <0.01 | - |
- Pentachlorobenzene (?g/L), Permethrine (?g/L), Methoxychlore (?g/L) | 0.9 | - | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | - |
- Nicosulfuron (?g/L), Hexaconazole (?g/L), Iprodione (?g/L) | 0.9 | - | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.02 | <0.02 | - |
- Diflufenicanil (?g/L) | 0.9 | - | - | - | - | - | <0.01 | <0.005 | <0.005 | <0.02 | <0.02 | - |
- Sulcotrione (?g/L) | 0.9 | - | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.1 | <0.02 | - |
- Tebutame (?g/L), Thiodicarbe (?g/L) | 0.9 | - | - | - | - | - | <0.1 | <0.1 | <0.05 | <0.01 | <0.01 | - |
- Chlorothalonil (?g/L) | 0.9 | - | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.03 | <0.03 | - |
- Prochloraz (?g/L) | 0.9 | - | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.03 | <0.03 | - |
- Pendimethaline (?g/L) | 0.9 | - | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.01 | <0.01 | - |
- Endosulfan B (?g/L), Endosulfan A (?g/L) | 0.9 | - | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | - |
- Dicofol (?g/L) | 0.9 | - | - | - | - | - | <0.05 | <0.02 | <0.02 | <0.01 | <0.01 | - |
- Carbendazime (?g/L) | 0.9 | - | - | - | - | - | <0.1 | <0.1 | <0.05 | <0.02 | <0.02 | - |
- Prosulfocarbe (?g/L) | 0.9 | - | - | - | - | - | <0.1 | <0.1 | <0.05 | <0.05 | <0.05 | - |
- Mercaptodimethur (?g/L) | 0.9 | - | - | <0.1 | - | - | - | - | <0.05 | <0.01 | <0.01 | - |
- Formothion (?g/L) | 0.9 | - | - | <0.05 | - | - | - | - | <0.05 | <0.07 | <0.07 | - |
- Disulfoton (?g/L), Fenitrothion (?g/L), Diazinon (?g/L) | 0.9 | - | - | <0.05 | - | - | - | - | <0.05 | <0.01 | <0.01 | - |
- Parathion methyl (?g/L), Parathion ethyl (?g/L), Azinphos methyl (?g/L), Azinphos ethyl (?g/L), Chlorpyriphos-ethyl (?g/L) | 0.9 | - | - | <0.02 | - | - | - | - | <0.02 | <0.01 | <0.01 | - |
- Dichlorvos (?g/L) | 0.9 | - | - | <0.025 | - | - | - | - | <0.025 | <0.01 | <0.01 | - |
- Epoxiconazole (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.05 | <0.02 | <0.02 | - |
- Fenpropidine (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.1 | <0.02 | <0.02 | - |
- Aclonifene (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.1 | <0.01 | <0.01 | - |
- Glyphosate (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.1 | <0.1 | <0.1 | - |
- Malathion (?g/L), Fenthion (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.02 | <0.01 | <0.01 | - |
- Flusilazole (?g/L), Carbofuran (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.03 | <0.02 | <0.02 | - |
- Fenpropimorphe (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.05 | <0.01 | <0.01 | - |
- Imazaquine (?g/L), Resmethrine (?g/L), Fenothrine (?g/L), Ofurace (?g/L), Metalaxyl (?g/L), Oxadixyl (?g/L) | 0.9 | - | - | - | - | - | - | - | - | <0.05 | <0.05 | - |
- Pyrethrine (?g/L) | 0.9 | - | - | - | - | - | - | - | - | <0.5 | <0.5 | - |
- Fluquinconazole (?g/L), Imidaclopride (?g/L), Depallethrine (?g/L), Dicamba (?g/L), Metamitrone (?g/L), Deltamethrine (?g/L), Cymoxanil (?g/L) | 0.9 | - | - | - | - | - | - | - | - | <0.02 | <0.02 | - |
- Clopyralide (?g/L), Glufosinate (?g/L) | 0.9 | - | - | - | - | - | - | - | - | <0.1 | <0.1 | - |
- Propachlore (?g/L), Chlorpyriphos-methyl (?g/L), Ethoprophos (?g/L), Chlorfenvinphos (?g/L), Methomyl (?g/L), Butraline (?g/L), Lambda-cyhalothrine (?g/L) | 0.9 | - | - | - | - | - | - | - | - | <0.01 | <0.01 | - |
- Metribuzine (?g/L) | 0.9 | - | - | - | - | - | - | - | - | <0.03 | <0.03 | - |
- Diquat (?g/L), Paraquat (?g/L) | 0.9 | - | - | <0.1 | - | - | - | - | <5 | - | - | - |
- Silvex (?g/L), 2,4-MCPB (?g/L), 2,4-DB (?g/L) | 0.9 | - | - | - | - | <0.05 | - | - | - | - | - | - |
- Aminotriazole (?g/L) | 0.9 | - | - | - | - | - | - | - | <0.1 | - | - | - |
- Heptachlore (?g/L) | 0 | - | - | <0.01 | - | - | <0.01 | <0.01 | <0.01 | <0.005 | <0.005 | - |
- Dieldrine (?g/L) | 0 | - | - | <0.005 | - | - | <0.005 | <0.005 | <0.005 | <0.003 | <0.003 | - |
- Aldrine (?g/L) | 0 | - | - | <0.005 | - | - | <0.005 | <0.005 | <0.005 | <0.001 | <0.001 | - |
- Pentachlorophenol (?g/L) | 0 | - | - | - | - | - | - | - | - | <0.01 | <0.01 | - |
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