| Moyennes annuelles par paramètre | Valeur seuil | Année(s) | ||||||||||
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2020-2024 | ||
Nitrates (mg(NO3)/L) | 50 | 47 | 44 | 45 | 46 | 49 | 47 | 47 | 45 | 45 | 45 | - |
Somme pesticides analyses (µg/L) | 0.5 | - | - | - | - | - | 0.76 | 0.68 | 0.46 | 0.42 | 0.46 | - |
- Nicosulfuron (µg/L) | 0.9 | - | - | - | - | 0.0064 | 0.0037 | 0.0053 | 0.00283 | 0.0015 | 0.00175 | - |
- Atrazine déisopropyl désé (µg/L) | 0.9 | - | - | - | - | 0.14 | 0.087 | 0.095 | 0.1 | 0.068 | 0.05 | - |
- Diméthénamide total (µg/L) | 0.9 | - | - | - | - | 0.06 | 0.047 | 0.038 | 0.0113 | 0.0127 | 0.006 | - |
- Simazine (µg/L) | 0.9 | - | - | - | - | 0.01 | 0.012 | 0.0103 | 0.0093 | 0.0075 | 0.0093 | - |
- Bentazone (µg/L) | 0.9 | - | - | - | - | 0.236 | 0.37 | 0.28 | 0.142 | 0.176 | 0.242 | - |
- Atrazine déisopropyl (µg/L) | 0.9 | - | - | - | - | 0.0115 | 0.011 | 0.0115 | 0.01 | 0.0097 | 0.0083 | - |
- Atrazine déséthyl (µg/L) | 0.9 | - | - | - | - | 0.124 | 0.097 | 0.109 | 0.081 | 0.059 | 0.07 | - |
- Atrazine (µg/L) | 0.9 | - | - | - | - | 0.043 | 0.045 | 0.045 | 0.04 | 0.036 | 0.032 | - |
- Acétochlore (µg/L) | 0.9 | - | - | - | - | 0.035 | 0.0203 | 0.017 | 0.004 | 0.005 | <0.005 | - |
- 2,6-Dichlorobenzamide (µg/L) | 0.9 | - | - | - | - | 0.00225 | 0.0047 | 0.002 | 0.003 | <0.005 | <0.005 | - |
- Bromacil (µg/L) | 0.9 | - | - | - | - | 0.002 | <0.002 | 0.0033 | 0.00267 | <0.005 | <0.005 | - |
- Oxadixyl (µg/L) | 0.9 | - | - | - | - | 0.0038 | 0.00167 | 0.002 | <0.005 | <0.005 | <0.005 | - |
- Métolachlore (µg/L) | 0.9 | - | - | - | - | 0.0173 | 0.0068 | 0.0068 | <0.005 | <0.005 | <0.005 | - |
- Chloridazone (µg/L) | 0.9 | - | - | - | - | 0.0015 | 0.00133 | 0.00175 | <0.005 | <0.005 | <0.005 | - |
- Dichlorprop total (µg/L) | 0.9 | - | - | - | - | 0.0025 | <0.002 | 0.00125 | <0.02 | <0.02 | <0.02 | - |
- 2,4-D (µg/L) | 0.9 | - | - | - | - | 0.002 | <0.002 | 0.00267 | <0.02 | <0.02 | <0.02 | - |
- Imidaclopride (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.002 | 0.00225 | - |
- Mécoprop total (µg/L) | 0.9 | - | - | - | - | 0.0025 | <0.002 | <0.002 | <0.005 | <0.005 | <0.005 | - |
- 2,4-MCPA (µg/L) | 0.9 | - | - | - | - | 0.0015 | <0.002 | <0.002 | <0.005 | <0.005 | <0.005 | - |
- Aminotriazole (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | 0.0197 | <0.02 | <0.02 | - |
- cis-Chlordane (µg/L), Triflusulfuron-methyl (µg/L), Carboxine (µg/L), Iprovalicarb (µg/L), Fenhexamid (µg/L), Mesosulfuron methyle (µg/L), Pyraclostrobine (µg/L), Flupyrsulfuron meth sod (µg/L), Sulfosufuron (µg/L), Quizalofop éthyl total (µg/L), Amidosulfuron (µg/L), phosmet (µg/L), Fenoxycarbe (µg/L), Isoxaflutole (µg/L), 3,4-dichlorophenyluree (µg/L), 1-(3,4-diClPhyl)-3-M-urée (µg/L), Métosulame (µg/L), Fenbuconazole (µg/L), Difénoconazole (µg/L), Téflubenzuron (µg/L), Rimsulfuron (µg/L), Pencycuron (µg/L), Myclobutanil (µg/L), Diniconazole (µg/L), trans Chlordane (µg/L), Piperonyl butoxyde (µg/L), Imazalil (µg/L), Tébuconazole (µg/L), Benalaxyl total (µg/L), Chloroxuron (µg/L), Oxadiazon (µg/L), Tébutame (µg/L), Triadiméfone (µg/L), Propanil (µg/L), Buturon (µg/L), Méthoxychlore (µg/L), Mercaptodiméthur (µg/L), Propyzamide (µg/L), Lénacile (µg/L), Trifluraline (µg/L), Triallate (µg/L), Pyrazophos (µg/L), Oxydéméton-méthyl (µg/L), Méthabenzthiazuron (µg/L), 2,4-MCPB (µg/L), Linuron (µg/L), Iprodione (µg/L), Fenthion (µg/L), Ethofumésate (µg/L), Demeton-S-Methyl-Sulf. (µg/L), Cymoxanil (µg/L), Prosulfocarbe (µg/L), Chlorpyriphos-éthyl (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 | - |
- Fenoxaprop total (µg/L), Tolclofos-methyl (µg/L), Tétradifon (µg/L), Imazaméthabenz (µg/L), Acrinathrine (µg/L), Benfluraline (µg/L) | 0.9 | - | - | - | - | <0.03 | <0.03 | <0.03 | <0.03 | <0.005 | <0.005 | - |
- Thiacloprid (µg/L), Fluoxastrobine (µg/L), Azaconazole (µg/L), Anthraquinone (µg/L), Fipronil (µg/L), Krésoxym-méthyl (µg/L), Tébufénozide (µg/L), Pyridabène (µg/L), Procymidone (µg/L), Bioresméthrine (µg/L), Chlorprophame (µg/L), Chlorfenvinphos (µg/L), Pyrimiphos-méthyl (µg/L), Parathion méthyl (µg/L), Diclofop méthyl (µg/L), Diazinon (µg/L), Butraline (µg/L), Bifenthrine (µg/L), Azinphos méthyl (µg/L), Azinphos éthyl (µg/L) | 0.9 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.005 | <0.005 | - |
- ETU (µg/L) | 0.9 | - | - | - | - | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | - |
- Dinocap (µg/L), Difethialone (µg/L), Fluroxypyr-meptyl (µg/L), Tribenuron-Methyle (µg/L), Fenothrine (µg/L), fenoxaprop-ethyl total (µg/L), propaquizafop (µg/L), dithianon (µg/L), AMPA (µg/L), Carbosulfan (µg/L), Métaldéhyde (µg/L), Thiophanate-méthyl (µg/L), Depalléthrine (µg/L), Chlorophacinone (µg/L), Glufosinate (µg/L), Paraquat (µg/L), Phenmédiphame (µg/L), Diallate (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 | - |
- Chlormequat (µg/L), Imazaquine (µg/L), Mésotrione (µg/L), Fomesafen (µg/L), mepiquat (µg/L), Fluazifop-butyl total (µg/L), Clopyralide (µg/L), Fluroxypyr (µg/L), Diquat (µg/L), Flufenoxuron (µg/L) | 0.9 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.02 | <0.02 | <0.02 | - |
- Boscalid (µg/L), Imazamox (µg/L), Flutolanil (µg/L), Fluazinam (µg/L), Difenacoum (µg/L), Dichlorophène (µg/L), Didéméthylisoproturon (µg/L), Florasulam (µg/L), Foramsulfuron (µg/L), Desméthylisoproturon (µg/L), Cycloxydime (µg/L), Picoxystrobine (µg/L), Spiroxamine (µg/L), Iodosulfuron méthyl (µg/L), Dimétachlore (µg/L), Paclobutrazole (µg/L), Prosulfuron (µg/L), Quinmerac (µg/L), Fénamidone (µg/L), Terbumeton désethyl (µg/L), Terbuthylazine désethyl (µg/L), Quinoxyfen (µg/L), Ofurace (µg/L), Fludioxonil (µg/L), Clomazone (µg/L), Flurtamone (µg/L), fluridone (µg/L), Azoxystrobine (µg/L), Thiafluamide (µg/L), Flazasulfuron (µg/L), Sébuthylazine (µg/L), Thifensulfuron methyl (µg/L), Metconazole (µg/L), Hexaflumuron (µg/L), Dimefuron (µg/L), Bromuconazole (µg/L), Ethidimuron (µg/L), Epoxiconazole (µg/L), Thiabendazole (µg/L), Prométone (µg/L), Métalaxyl total (µg/L), Cycluron (µg/L), Cyproconazole (µg/L), Hexazinone (µg/L), Isoxaben (µg/L), Métazachlore (µg/L), Norflurazone (µg/L), Tetraconazole (µg/L), Propoxur (µg/L), Bitertanol (µg/L), Napropamide total (µg/L), Métobromuron (µg/L), Flutriafol (µg/L), Dinosèbe (µg/L), Carbaryl (µg/L), Pyriméthanil (µg/L), Hexaconazole (µg/L), Diméthomorphe (µg/L), Cyprodinil (µg/L), Chlorsulfuron (µg/L), Carbétamide (µg/L), Triadiménol (µg/L), Terbutryne (µg/L), Terbuthylazine (µg/L), Terbuméton (µg/L), Secbuméton (µg/L), Propiconazole (µg/L), Prométryne (µg/L), Pendiméthaline (µg/L), Monuron (µg/L), Monolinuron (µg/L), Métribuzine (µg/L), Métoxuron (µg/L), Méthomyl (µg/L), Métamitrone (µg/L), Isoproturon (µg/L), Ioxynil (µg/L), Flusilazole (µg/L), Fenpropimorphe (µg/L), Fénarimol (µg/L), Diuron (µg/L), Desmétryne (µg/L), Cyanazine (µg/L), Chlortoluron (µg/L), Carbofuran (µg/L), Carbendazime (µg/L), Bromoxynil (µg/L), Amétryne (µg/L), Alachlore (µg/L) | 0.9 | - | - | - | - | <0.002 | <0.002 | <0.002 | <0.005 | <0.005 | <0.005 | - |
- Betacyfluthrine (µg/L), Perméthrine (µg/L), Pyridate (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.02 | <0.01 | <0.01 | - |
- Triticonazole (µg/L), Triazoxide (µg/L), Haloxyfop (µg/L), Lufénuron (µg/L), Oxamyl (µg/L), Metsulfuron méthyle (µg/L), Thiazafluron (µg/L), Sulcotrione (µg/L), Fénuron (µg/L), Dinitrocrésol (µg/L) | 0.9 | - | - | - | - | <0.002 | <0.002 | <0.002 | <0.02 | <0.02 | <0.02 | - |
- Clethodim (µg/L), Clodinafop-propargyl (µg/L), Thiométon (µg/L), Fluquinconazole (µg/L), Famoxadone (µg/L), Cloquintocet-mexyl (µg/L), Tefluthrine (µg/L), Haloxyfop-méthyl (R) (µg/L), Triazamate (µg/L), Tebufenpyrad (µg/L), Clofentézine (µg/L), Esfenvalerate (µg/L), Penconazole (µg/L), Cyfluthrine total (µg/L), Dichlobenil (µg/L), Flurochloridone (µg/L), Methamidophos (µg/L), Triazophos (µg/L), Chlorpyriphos-méthyl (µg/L), Néburon (µg/L), Ethoprophos (µg/L), Vinclozoline (µg/L), Propargite (µg/L), Phosalone (µg/L), Fluvalinate-tau (µg/L), Cyperméthrine total (µg/L), Chlorméphos (µg/L), Aldicarbe (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.02 | <0.005 | <0.005 | - |
- Chlorure de choline (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.2 | <0.2 | <0.2 | - |
- Carfentrazone-ethyl (µg/L) | 0.9 | - | - | - | - | <0.1 | <0.1 | <0.1 | <0.1 | <0.005 | <0.005 | - |
- Dichlormide (µg/L) | 0.9 | - | - | - | - | <0.03 | <0.03 | <0.03 | <0.03 | <0.01 | <0.01 | - |
- Benfuracarbe (µg/L), Parathion éthyl (µg/L), Déméton-S (µg/L), Déméton-O (µg/L) | 0.9 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | - |
- Trifloxystrobine (µg/L), HCH epsilon (µg/L) | 0.9 | - | - | - | - | <0.001 | <0.001 | <0.001 | <0.005 | <0.005 | <0.005 | - |
- Trinexapac-ethyl (µg/L), Terbuthylazine hydroxy (µg/L), Hexythiazox (µg/L), 2-hydroxy atrazine (µg/L), Piclorame (µg/L), Oryzalin (µg/L), Diflubenzuron (µg/L), Triclopyr (µg/L), 2,4,5-T (µg/L), Propazine (µg/L), Thiodicarbe (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.02 | <0.02 | <0.02 | - |
- Pyrethrine (µg/L) | 0.9 | - | - | - | - | <0.08 | <0.08 | <0.08 | <0.1 | <0.1 | <0.1 | - |
- Flumioxazine (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.005 | <0.005 | <0.005 | - |
- asulame (µg/L), Pirimicarbe (µg/L), Diméthoate (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.01 | <0.01 | <0.01 | - |
- Oxyfluorfene (µg/L) | 0.9 | - | - | - | - | <0.002 | <0.002 | <0.002 | <0.002 | <0.002 | <0.002 | - |
- Naptalame (µg/L) | 0.9 | - | - | - | - | <0.002 | <0.002 | <0.002 | <0.03 | <0.03 | <0.03 | - |
- Irgarol (µg/L) | 0.9 | - | - | - | - | <0.0005 | <0.0005 | <0.0005 | <0.0005 | <0.0005 | <0.0005 | - |
- Imazamethabenz-methyl (µg/L), Propachlore (µg/L) | 0.9 | - | - | - | - | <0.002 | <0.002 | <0.002 | <0.01 | <0.01 | <0.01 | - |
- Pentachlorobenzene (µg/L) | 0.9 | - | - | - | - | <0.001 | <0.001 | <0.001 | <0.001 | <0.0005 | <0.0005 | - |
- Bupirimate (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.01 | <0.01 | <0.01 | - |
- Bromadiolone (µg/L) | 0.9 | - | - | - | - | <0.03 | <0.03 | <0.03 | <0.03 | <0.03 | <0.03 | - |
- Diflufenicanil (µg/L), DDE 44' (µg/L) | 0.9 | - | - | - | - | <0.002 | <0.002 | <0.002 | <0.002 | <0.001 | <0.001 | - |
- Endosulfan sulfate (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.001 | <0.001 | - |
- Fenpropidine (µg/L) | 0.9 | - | - | - | - | <0.001 | <0.001 | <0.001 | <0.01 | <0.01 | <0.01 | - |
- Aclonifène (µg/L) | 0.9 | - | - | - | - | <0.015 | <0.015 | <0.015 | <0.015 | <0.001 | <0.001 | - |
- Coumaphos (µg/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.0034 | <0.0034 | - |
- Phoxime (µg/L) | 0.9 | - | - | - | - | <0.00015 | <0.00015 | <0.00015 | <0.0005 | <0.0005 | <0.0005 | - |
- Glyphosate (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.03 | <0.03 | <0.03 | - |
- Formothion (µg/L), Chlorothalonil (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.02 | <0.001 | <0.001 | - |
- Disulfoton (µg/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.004 | <0.004 | - |
- Dicamba (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.03 | <0.05 | <0.03 | - |
- Trichlorfon (µg/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.0006 | <0.0006 | - |
- Prochloraz (µg/L), Isodrine (µg/L), HCH gamma (µg/L), HCH delta (µg/L), HCH bêta (µg/L), HCH alpha (µg/L), Hexachlorobenzène (µg/L), Endrine (µg/L), Endosulfan B (µg/L), Endosulfan A (µg/L), Deltaméthrine (µg/L), DDT 44' (µg/L), DDT 24' (µg/L), DDE 24' (µg/L), DDD 44' (µg/L), DDD 24' (µg/L) | 0.9 | - | - | - | - | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | - |
- Ométhoate (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.02 | <0.005 | <0.0005 | - |
- Mévinphos (µg/L) | 0.9 | - | - | - | - | <0.1 | <0.1 | <0.1 | <0.1 | <0.001 | <0.001 | - |
- Malathion (µg/L) | 0.9 | - | - | - | - | <0.003 | <0.003 | <0.003 | <0.003 | <0.001 | <0.001 | - |
- Folpel (µg/L), Captane (µg/L) | 0.9 | - | - | - | - | <0.05 | <0.05 | <0.05 | <0.05 | <0.01 | <0.01 | - |
- Fénitrothion (µg/L) | 0.9 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.001 | <0.001 | - |
- Dinoterbe (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.03 | <0.03 | <0.03 | - |
- Dicofol (µg/L) | 0.9 | - | - | - | - | <0.0003 | <0.0003 | <0.0003 | <0.0005 | <0.0005 | <0.0005 | - |
- Dichlorvos (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.0002 | <0.0002 | - |
- Demeton-S-Methyl (µg/L) | 0.9 | - | - | - | - | <0.023 | <0.023 | <0.023 | <0.02 | <0.005 | <0.005 | - |
- 2,4-DB (µg/L) | 0.9 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.05 | <0.05 | <0.05 | - |
- Bifénox (µg/L) | 0.9 | - | - | - | - | <0.0036 | <0.0036 | <0.0036 | <0.005 | <0.005 | <0.005 | - |
- Lambda-cyhalothrine (µg/L) | 0.9 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <6.0E-5 | <6.0E-5 | - |
- Desmediphame (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | - | <0.005 | <0.005 | - |
- Métalaxyl M (µg/L) | 0.9 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | - | - | - |
- Alpha-cyperméthrine (µg/L) | 0.9 | - | - | - | - | <0.02 | <0.02 | <0.02 | <0.02 | - | - | - |
- Bénomyl (µg/L) | 0.9 | - | - | - | - | <0.03 | <0.03 | <0.03 | <0.03 | - | - | - |
- Quizalofop total (µg/L), Thirame (µg/L) | 0.9 | - | - | - | - | - | - | - | <0.02 | <0.02 | <0.02 | - |
- Roténone (µg/L) | 0.9 | - | - | - | - | - | - | - | <0.005 | <0.005 | <0.005 | - |
- Prothioconazole (µg/L) | 0.9 | - | - | - | - | <1 | <1 | <1 | <1 | <0.05 | <0.05 | - |
- Ethephon (µg/L) | 0.9 | - | - | - | - | <100 | <100 | <100 | <100 | <0.02 | <0.02 | - |
- Isothiocyanate de methyle (µg/L) | 0.9 | - | - | - | - | - | - | - | <0.02 | - | - | - |
- Dichlofluanide (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | <0.005 | - |
- Propamocarb (µg/L) | 0 | - | - | - | - | <0.017 | <0.017 | <0.017 | <0.017 | <0.005 | <0.005 | - |
- Diméthachlore CGA 50266 (µg/L) | 0 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.01 | <0.01 | <0.01 | - |
- Chloridazone méthyl desph (µg/L) | 0 | - | - | - | - | 0.063 | 0.06 | 0.06 | 0.046 | 0.056 | 0.045 | - |
- Propylene thiouree (µg/L) | 0 | - | - | - | - | <0.1 | <0.1 | <0.1 | <0.5 | <0.5 | <0.5 | - |
- Tetrachlorobenzene (µg/L) | 0 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | - |
- Heptachlore époxyde endo (µg/L) | 0 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.001 | <0.001 | - |
- Heptachlo epoxyde exo cis (µg/L) | 0 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.001 | <0.001 | - |
- Biphényle (µg/L) | 0 | - | - | - | - | <0.01 | <0.01 | <0.01 | <0.01 | <0.005 | <0.005 | - |
- Heptachlore (µg/L) | 0 | - | - | - | - | <0.005 | <0.005 | <0.005 | <0.005 | <0.0002 | <0.0002 | - |
- Dieldrine (µg/L), Aldrine (µg/L) | 0 | - | - | - | - | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | - |
- Pentachlorophénol (µg/L) | 0 | - | - | - | - | - | <0.02 | - | <0.03 | <0.03 | <0.03 | - |
- Epichlorohydrine (µg/L) | 0 | - | - | - | - | - | - | - | <0.05 | - | - | - |
- HCH alpha+beta+delta+gamm (µg/L), Somme drines (µg/L) | 0 | - | - | - | - | - | - | - | - | - | - | - |
- Endosulfan (µg/L), Déméton (µg/L), Heptachlore époxyde (µg/L), Chlordane (µg/L) | 0.9 | - | - | - | - | - | - | - | - | - | - | - |
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