| 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 | 20.3 | 21 | 18.8 | 19.5 | 13.9 | 21.3 | 23 | 22.5 | 23.8 | 25.3 | - |
Somme des pesticides totaux (µg/L) | 0.5 | - | - | 0.33 | - | - | - | - | - | - | - | - |
- Atrazine déisopropyl déséthyl (µg/L) | 0.9 | - | - | 0.209 | - | - | - | - | - | - | - | - |
- Atrazine déséthyl (µg/L) | 0.9 | - | - | 0.106 | - | - | - | - | - | - | - | - |
- Atrazine (µg/L) | 0.9 | - | - | 0.017 | - | - | - | - | - | - | - | - |
- Prothioconazole (µg/L), Chlormequat (µg/L), Ethephon (µg/L), Mésotrione (µg/L), mepiquat (µg/L), Diquat (µg/L), Sulcotrione (µg/L), Dicamba (µg/L), 2,4-DB (µg/L), Aminotriazole (µg/L) | 0.9 | - | - | <0.05 | - | - | - | - | - | - | - | - |
- Boscalid (µg/L), Propamocarbe hydrochloride (µg/L), Imazamox (µg/L), Desmediphame (µg/L), Clethodim (µg/L), Carboxine (µg/L), Benfuracarbe (µg/L), Florasulam (µg/L), Foramsulfuron (µg/L), Desméthylisoproturon (µg/L), Cycloxydime (µg/L), Mesosulfuron methyle (µg/L), Dimétachlore (µg/L), Paclobutrazole (µg/L), Prosulfuron (µg/L), Quinmerac (µg/L), Sulfosulfuron (µg/L), Terbuthylazine désethyl (µg/L), Clomazone (µg/L), Anthraquinone (µg/L), Amidosulfuron (µg/L), 2,6-Dichlorobenzamide (µg/L), Flurtamone (µg/L), Thiafluamide (µg/L), 3,4-dichlorophenyluree (µg/L), 1-(3,4-dichlorophenyl)-3-methyl-uree (µg/L), Thifensulfuron méthyl (µg/L), Acétochlore (µg/L), Nicosulfuron (µg/L), Myclobutanil (µg/L), Metconazole (µg/L), Imidaclopride (µg/L), Diflufenicanil (µg/L), Ethidimuron (µg/L), Epoxiconazole (µg/L), Endosulfan sulfate (µg/L), Thiabendazole (µg/L), Piperonyl butoxyde (µg/L), Imazaméthabenz (µg/L), Tébuconazole (µg/L), Aclonifène (µg/L), Bromacil (µg/L), Cyproconazole (µg/L), Diméthénamide (µg/L), Hexazinone (µg/L), Métazachlore (µg/L), Oxadiazon (µg/L), Oxadixyl (µg/L), Pirimicarbe (µg/L), Napropamide (µg/L), Méthoxychlore (µg/L), Carbaryl (µg/L), Pyriméthanil (µg/L), Propyzamide (µg/L), Diméthomorphe (µg/L), Cyprodinil (µg/L), Chlorsulfuron (µg/L), Carbétamide (µg/L), Triadiménol (µg/L), Terbuthylazine (µg/L), Simazine (µg/L), Propiconazole (µg/L), Pendiméthaline (µg/L), Ométhoate (µg/L), Monuron (µg/L), Métribuzine (µg/L), Métolachlore total (µg/L), Métamitrone (µg/L), Mécoprop (µg/L), 2,4-MCPA (µg/L), Linuron (µg/L), Isoproturon (µg/L), Iprodione (µg/L), Somme Heptachlore époxyde cis/trans (µg/L), Ethofumésate (µg/L), Diuron (µg/L), Diméthoate (µg/L), 2,4-D (µg/L), Chlortoluron (µg/L), Chloridazone (µg/L), Carbendazime (µg/L), Bromoxynil (µg/L), Alachlore (µg/L), Prosulfocarbe (µg/L) | 0.9 | - | - | <0.005 | - | - | - | - | - | - | - | - |
- Méfénoxam (µg/L), Clopyralide (µg/L), Piclorame (µg/L) | 0.9 | - | - | <0.1 | - | - | - | - | - | - | - | - |
- Chlorure de choline (µg/L) | 0.9 | - | - | <0.2 | - | - | - | - | - | - | - | - |
- Trinexapac-ethyl (µg/L), fosetyl-aluminium (µg/L), asulame (µg/L), Terbuthylazine hydroxy (µg/L), AMPA (µg/L), Carbosulfan (µg/L), Oxamyl (µg/L), 2-hydroxy atrazine (µg/L), Metsulfuron méthyle (µg/L), Métaldéhyde (µg/L), Fluroxypyr (µg/L), Chlorophacinone (µg/L), Glufosinate (µg/L), Dinitrocresol (µg/L), Triclopyr (µg/L), Propazine (µg/L), Phenmédiphame (µg/L), Dichlorprop (µg/L), Bentazone (µg/L), Atrazine déisopropyl (µg/L) | 0.9 | - | - | <0.02 | - | - | - | - | - | - | - | - |
- Imazaméthabenz-méthyl (µg/L), Fenpropidine (µg/L), Déméton (µg/L), Chlorothalonil (µg/L), Prochloraz (µg/L), DDT 44' (µg/L) | 0.9 | - | - | <0.01 | - | - | - | - | - | - | - | - |
- Hexaflumuron (µg/L), Depalléthrine (µg/L), Glyphosate (µg/L) | 0.9 | - | - | <0.03 | - | - | - | - | - | - | - | - |
- Heptachlore époxyde endo trans (µg/L), Heptachlore époxyde exo cis (µg/L), Heptachlore (µg/L), Dieldrine (µg/L), Aldrine (µg/L) | 0 | - | - | <0.005 | - | - | - | - | - | - | - | - |
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