{ "river": { "name": "La Tessonne", "course_code": "V4320520", "topage_code": null }, "dataset": "quality", "extracted_at": "2026-11-07T09:31:50+01:00", "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.", "data": [ { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2025, "sample_count": 6, "minimum": "78.000000", "maximum": "90.000000", "mean": "84.333333", "median": "83.000000", "p10": "78.000000", "p90": "90.000000", "latest_value": "90.000000", "latest_at": "2025-11-13 00:00:00", "unit": "%" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2025, "sample_count": 6, "minimum": "7.700000", "maximum": "8.200000", "mean": "8.050000", "median": "8.150000", "p10": "7.700000", "p90": "8.200000", "latest_value": "8.100000", "latest_at": "2025-11-13 00:00:00", "unit": "unité pH" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2025, "sample_count": 6, "minimum": "413.000000", "maximum": "546.000000", "mean": "465.333333", "median": "459.000000", "p10": "413.000000", "p90": "486.000000", "latest_value": "429.000000", "latest_at": "2025-11-13 00:00:00", "unit": "µS/cm" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2025, "sample_count": 6, "minimum": "12.800000", "maximum": "19.500000", "mean": "15.116667", "median": "14.750000", "p10": "12.800000", "p90": "15.900000", "latest_value": "14.500000", "latest_at": "2025-11-13 00:00:00", "unit": "°C" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1340", "parameter": "Nitrates", "year": 2025, "sample_count": 6, "minimum": "2.900000", "maximum": "5.900000", "mean": "3.881667", "median": "3.645000", "p10": "2.900000", "p90": "4.200000", "latest_value": "5.900000", "latest_at": "2025-11-13 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2025, "sample_count": 6, "minimum": "7.600000", "maximum": "9.600000", "mean": "8.483333", "median": "8.400000", "p10": "7.600000", "p90": "9.100000", "latest_value": "9.100000", "latest_at": "2025-11-13 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1345", "parameter": "Dureté totale", "year": 2025, "sample_count": 4, "minimum": "20.900000", "maximum": "29.500000", "mean": "24.275000", "median": "23.350000", "p10": "20.900000", "p90": "25.300000", "latest_value": "25.300000", "latest_at": "2025-10-29 00:00:00", "unit": "°f" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1367", "parameter": "Potassium", "year": 2025, "sample_count": 4, "minimum": "1.100000", "maximum": "1.300000", "mean": "1.200000", "median": "1.200000", "p10": "1.100000", "p90": "1.200000", "latest_value": "1.300000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(K)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1372", "parameter": "Magnésium", "year": 2025, "sample_count": 4, "minimum": "4.200000", "maximum": "5.600000", "mean": "4.750000", "median": "4.600000", "p10": "4.200000", "p90": "4.900000", "latest_value": "4.900000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(Mg)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2025, "sample_count": 4, "minimum": "3.100000", "maximum": "16.000000", "mean": "7.425000", "median": "5.300000", "p10": "3.100000", "p90": "6.800000", "latest_value": "3.100000", "latest_at": "2025-10-29 00:00:00", "unit": "mg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1374", "parameter": "Calcium", "year": 2025, "sample_count": 4, "minimum": "77.000000", "maximum": "109.000000", "mean": "89.500000", "median": "86.000000", "p10": "77.000000", "p90": "93.000000", "latest_value": "93.000000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(Ca)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2025, "sample_count": 4, "minimum": "1.800000", "maximum": "3.900000", "mean": "2.975000", "median": "3.100000", "p10": "1.800000", "p90": "3.500000", "latest_value": "3.900000", "latest_at": "2025-10-29 00:00:00", "unit": "NFU" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1375", "parameter": "Sodium", "year": 2025, "sample_count": 4, "minimum": "3.100000", "maximum": "3.700000", "mean": "3.400000", "median": "3.400000", "p10": "3.100000", "p90": "3.600000", "latest_value": "3.700000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(Na)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1347", "parameter": "Titre alcalimétrique complet (T.A.C.)", "year": 2025, "sample_count": 4, "minimum": "20.500000", "maximum": "26.300000", "mean": "23.275000", "median": "23.150000", "p10": "20.500000", "p90": "24.800000", "latest_value": "24.800000", "latest_at": "2025-10-29 00:00:00", "unit": "°f" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "5429", "parameter": "Silicium", "year": 2025, "sample_count": 4, "minimum": "4.560000", "maximum": "4.850000", "mean": "4.680000", "median": "4.655000", "p10": "4.560000", "p90": "4.750000", "latest_value": "4.560000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(Si)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1348", "parameter": "Silice", "year": 2025, "sample_count": 4, "minimum": "9.760000", "maximum": "10.400000", "mean": "10.032500", "median": "9.985000", "p10": "9.760000", "p90": "10.200000", "latest_value": "9.770000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(SiO2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2025, "sample_count": 4, "minimum": "0.800000", "maximum": "1.600000", "mean": "1.200000", "median": "1.200000", "p10": "0.800000", "p90": "1.300000", "latest_value": "1.100000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(C)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1327", "parameter": "Hydrogénocarbonates", "year": 2025, "sample_count": 4, "minimum": "250.000000", "maximum": "321.000000", "mean": "283.750000", "median": "282.000000", "p10": "250.000000", "p90": "302.000000", "latest_value": "302.000000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(HCO3)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1338", "parameter": "Sulfates", "year": 2025, "sample_count": 4, "minimum": "15.000000", "maximum": "19.000000", "mean": "17.000000", "median": "17.000000", "p10": "15.000000", "p90": "18.000000", "latest_value": "18.000000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(SO4)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1337", "parameter": "Chlorures", "year": 2025, "sample_count": 4, "minimum": "5.700000", "maximum": "7.200000", "mean": "6.325000", "median": "6.200000", "p10": "5.700000", "p90": "6.400000", "latest_value": "7.200000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(Cl)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2025, "sample_count": 3, "minimum": "0.600000", "maximum": "2.500000", "mean": "1.533333", "median": "1.500000", "p10": "0.600000", "p90": "1.500000", "latest_value": "1.500000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(N)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2025, "sample_count": 3, "minimum": "0.500000", "maximum": "1.000000", "mean": "0.700000", "median": "0.600000", "p10": "0.500000", "p90": "0.600000", "latest_value": "1.000000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2025, "sample_count": 2, "minimum": "0.010000", "maximum": "0.015000", "mean": "0.012500", "median": "0.012500", "p10": "0.010000", "p90": "0.010000", "latest_value": "0.015000", "latest_at": "2025-10-29 00:00:00", "unit": "mg(P)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1638", "parameter": "Méthylphénol-4", "year": 2025, "sample_count": 1, "minimum": "0.019000", "maximum": "0.019000", "mean": "0.019000", "median": "0.019000", "p10": "0.019000", "p90": "0.019000", "latest_value": "0.019000", "latest_at": "2025-06-25 00:00:00", "unit": "µg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1414", "parameter": "Propyzamide", "year": 2025, "sample_count": 1, "minimum": "0.002000", "maximum": "0.002000", "mean": "0.002000", "median": "0.002000", "p10": "0.002000", "p90": "0.002000", "latest_value": "0.002000", "latest_at": "2025-03-27 00:00:00", "unit": "µg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1832", "parameter": "2-hydroxy atrazine", "year": 2025, "sample_count": 1, "minimum": "0.005100", "maximum": "0.005100", "mean": "0.005100", "median": "0.005100", "p10": "0.005100", "p90": "0.005100", "latest_value": "0.005100", "latest_at": "2025-10-29 00:00:00", "unit": "µg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2024, "sample_count": 7, "minimum": "464.000000", "maximum": "589.000000", "mean": "512.714286", "median": "518.000000", "p10": "464.000000", "p90": "524.000000", "latest_value": "524.000000", "latest_at": "2024-11-14 00:00:00", "unit": "µS/cm" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2024, "sample_count": 7, "minimum": "7.700000", "maximum": "8.200000", "mean": "7.885714", "median": "7.900000", "p10": "7.700000", "p90": "8.000000", "latest_value": "8.000000", "latest_at": "2024-11-14 00:00:00", "unit": "unité pH" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2024, "sample_count": 6, "minimum": "7.900000", "maximum": "10.100000", "mean": "9.100000", "median": "9.200000", "p10": "7.900000", "p90": "9.400000", "latest_value": "10.100000", "latest_at": "2024-11-14 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1340", "parameter": "Nitrates", "year": 2024, "sample_count": 6, "minimum": "2.700000", "maximum": "6.200000", "mean": "3.933333", "median": "3.610000", "p10": "2.700000", "p90": "4.080000", "latest_value": "3.820000", "latest_at": "2024-11-14 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2024, "sample_count": 6, "minimum": "10.500000", "maximum": "18.800000", "mean": "13.916667", "median": "13.450000", "p10": "10.500000", "p90": "14.500000", "latest_value": "10.500000", "latest_at": "2024-11-14 00:00:00", "unit": "°C" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2024, "sample_count": 6, "minimum": "84.000000", "maximum": "89.000000", "mean": "86.666667", "median": "86.500000", "p10": "84.000000", "p90": "88.000000", "latest_value": "88.000000", "latest_at": "2024-11-14 00:00:00", "unit": "%" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1338", "parameter": "Sulfates", "year": 2024, "sample_count": 4, "minimum": "14.000000", "maximum": "18.000000", "mean": "15.750000", "median": "15.500000", "p10": "14.000000", "p90": "16.000000", "latest_value": "16.000000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(SO4)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1347", "parameter": "Titre alcalimétrique complet (T.A.C.)", "year": 2024, "sample_count": 4, "minimum": "21.200000", "maximum": "27.900000", "mean": "23.825000", "median": "23.100000", "p10": "21.200000", "p90": "23.600000", "latest_value": "23.600000", "latest_at": "2024-10-07 00:00:00", "unit": "°f" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1348", "parameter": "Silice", "year": 2024, "sample_count": 4, "minimum": "9.340000", "maximum": "10.000000", "mean": "9.555000", "median": "9.440000", "p10": "9.340000", "p90": "9.440000", "latest_value": "10.000000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(SiO2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2024, "sample_count": 4, "minimum": "0.860000", "maximum": "1.600000", "mean": "1.235000", "median": "1.240000", "p10": "0.860000", "p90": "1.600000", "latest_value": "0.880000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(C)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "5429", "parameter": "Silicium", "year": 2024, "sample_count": 4, "minimum": "4.360000", "maximum": "4.680000", "mean": "4.462500", "median": "4.405000", "p10": "4.360000", "p90": "4.410000", "latest_value": "4.680000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(Si)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1375", "parameter": "Sodium", "year": 2024, "sample_count": 4, "minimum": "3.100000", "maximum": "3.600000", "mean": "3.400000", "median": "3.450000", "p10": "3.100000", "p90": "3.500000", "latest_value": "3.400000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(Na)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1327", "parameter": "Hydrogénocarbonates", "year": 2024, "sample_count": 4, "minimum": "258.000000", "maximum": "340.000000", "mean": "290.250000", "median": "281.500000", "p10": "258.000000", "p90": "288.000000", "latest_value": "288.000000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(HCO3)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1374", "parameter": "Calcium", "year": 2024, "sample_count": 4, "minimum": "67.000000", "maximum": "108.000000", "mean": "85.500000", "median": "83.500000", "p10": "67.000000", "p90": "88.000000", "latest_value": "88.000000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(Ca)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2024, "sample_count": 4, "minimum": "0.800000", "maximum": "2.300000", "mean": "1.225000", "median": "0.900000", "p10": "0.800000", "p90": "0.900000", "latest_value": "0.800000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(N)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1372", "parameter": "Magnésium", "year": 2024, "sample_count": 4, "minimum": "3.800000", "maximum": "5.000000", "mean": "4.375000", "median": "4.350000", "p10": "3.800000", "p90": "4.400000", "latest_value": "4.300000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(Mg)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1345", "parameter": "Dureté totale", "year": 2024, "sample_count": 4, "minimum": "18.500000", "maximum": "28.900000", "mean": "23.125000", "median": "22.550000", "p10": "18.500000", "p90": "23.800000", "latest_value": "23.800000", "latest_at": "2024-10-07 00:00:00", "unit": "°f" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1367", "parameter": "Potassium", "year": 2024, "sample_count": 4, "minimum": "1.100000", "maximum": "1.200000", "mean": "1.150000", "median": "1.150000", "p10": "1.100000", "p90": "1.200000", "latest_value": "1.200000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(K)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1337", "parameter": "Chlorures", "year": 2024, "sample_count": 4, "minimum": "5.900000", "maximum": "7.200000", "mean": "6.375000", "median": "6.200000", "p10": "5.900000", "p90": "6.500000", "latest_value": "6.500000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(Cl)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2024, "sample_count": 4, "minimum": "0.770000", "maximum": "8.800000", "mean": "4.792500", "median": "4.800000", "p10": "0.770000", "p90": "8.200000", "latest_value": "0.770000", "latest_at": "2024-10-07 00:00:00", "unit": "NFU" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2024, "sample_count": 3, "minimum": "0.015000", "maximum": "0.026000", "mean": "0.019333", "median": "0.017000", "p10": "0.015000", "p90": "0.017000", "latest_value": "0.026000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(P)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2024, "sample_count": 3, "minimum": "2.100000", "maximum": "15.000000", "mean": "8.233333", "median": "7.600000", "p10": "2.100000", "p90": "7.600000", "latest_value": "2.100000", "latest_at": "2024-10-07 00:00:00", "unit": "mg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2024, "sample_count": 3, "minimum": "0.600000", "maximum": "0.900000", "mean": "0.700000", "median": "0.600000", "p10": "0.600000", "p90": "0.600000", "latest_value": "0.600000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1339", "parameter": "Nitrites", "year": 2024, "sample_count": 2, "minimum": "0.010000", "maximum": "0.010000", "mean": "0.010000", "median": "0.010000", "p10": "0.010000", "p90": "0.010000", "latest_value": "0.010000", "latest_at": "2024-10-07 00:00:00", "unit": "mg(NO2)/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1257", "parameter": "Propiconazole", "year": 2024, "sample_count": 1, "minimum": "0.014000", "maximum": "0.014000", "mean": "0.014000", "median": "0.014000", "p10": "0.014000", "p90": "0.014000", "latest_value": "0.014000", "latest_at": "2024-04-08 00:00:00", "unit": "µg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1639", "parameter": "Méthylphénol-3", "year": 2024, "sample_count": 1, "minimum": "0.065000", "maximum": "0.065000", "mean": "0.065000", "median": "0.065000", "p10": "0.065000", "p90": "0.065000", "latest_value": "0.065000", "latest_at": "2024-06-12 00:00:00", "unit": "µg/L" }, { "station_code": "06001908", "station": "TESSONNE A MIRMANDE 1", "parameter_code": "1501", "parameter": "Fluométuron", "year": 2024, "sample_count": 1, "minimum": "0.019000", "maximum": "0.019000", "mean": "0.019000", "median": "0.019000", "p10": "0.019000", "p90": "0.019000", "latest_value": "0.019000", "latest_at": "2024-08-29 00:00:00", "unit": "µg/L" } ] }