{ "river": { "name": "Le Grand Hers", "course_code": "O1--0290", "topage_code": null }, "dataset": "quality", "extracted_at": "2026-09-22T01:54:49+02:00", "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.", "data": [ { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2024, "sample_count": 12, "minimum": "1.240000", "maximum": "2.370000", "mean": "1.510000", "median": "1.425000", "p10": "1.300000", "p90": "1.510000", "latest_value": "2.370000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1340", "parameter": "Nitrates", "year": 2024, "sample_count": 12, "minimum": "3.260000", "maximum": "15.000000", "mean": "6.321667", "median": "6.105000", "p10": "3.850000", "p90": "7.480000", "latest_value": "7.620000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2024, "sample_count": 12, "minimum": "8.200000", "maximum": "8.400000", "mean": "8.300000", "median": "8.300000", "p10": "8.200000", "p90": "8.300000", "latest_value": "8.300000", "latest_at": "2024-12-16 00:00:00", "unit": "unité pH" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1369", "parameter": "Arsenic", "year": 2024, "sample_count": 12, "minimum": "0.340000", "maximum": "0.600000", "mean": "0.467500", "median": "0.465000", "p10": "0.360000", "p90": "0.550000", "latest_value": "0.390000", "latest_at": "2024-12-16 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2024, "sample_count": 12, "minimum": "90.000000", "maximum": "122.000000", "mean": "110.816667", "median": "112.500000", "p10": "100.800000", "p90": "118.000000", "latest_value": "100.800000", "latest_at": "2024-12-16 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2024, "sample_count": 12, "minimum": "8.600000", "maximum": "21.100000", "mean": "14.375000", "median": "14.600000", "p10": "9.700000", "p90": "18.400000", "latest_value": "8.600000", "latest_at": "2024-12-16 00:00:00", "unit": "°C" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2024, "sample_count": 12, "minimum": "8.100000", "maximum": "12.200000", "mean": "10.900000", "median": "10.900000", "p10": "9.700000", "p90": "11.700000", "latest_value": "11.600000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1342", "parameter": "Silicates", "year": 2024, "sample_count": 12, "minimum": "3.180000", "maximum": "6.560000", "mean": "4.454167", "median": "4.350000", "p10": "3.190000", "p90": "5.420000", "latest_value": "6.560000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2024, "sample_count": 12, "minimum": "343.000000", "maximum": "493.000000", "mean": "406.833333", "median": "401.500000", "p10": "376.000000", "p90": "427.000000", "latest_value": "493.000000", "latest_at": "2024-12-16 00:00:00", "unit": "µS/cm" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2024, "sample_count": 11, "minimum": "0.021000", "maximum": "0.160000", "mean": "0.055909", "median": "0.048000", "p10": "0.024000", "p90": "0.085000", "latest_value": "0.060000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2024, "sample_count": 10, "minimum": "0.015000", "maximum": "0.060000", "mean": "0.026600", "median": "0.023500", "p10": "0.015000", "p90": "0.031000", "latest_value": "0.020000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2024, "sample_count": 9, "minimum": "0.500000", "maximum": "1.400000", "mean": "0.888889", "median": "0.800000", "p10": "0.500000", "p90": "1.100000", "latest_value": "0.500000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1335", "parameter": "Ammonium", "year": 2024, "sample_count": 9, "minimum": "0.011000", "maximum": "0.030000", "mean": "0.019778", "median": "0.019000", "p10": "0.011000", "p90": "0.026000", "latest_value": "0.017000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1386", "parameter": "Nickel", "year": 2024, "sample_count": 9, "minimum": "0.100000", "maximum": "0.370000", "mean": "0.167778", "median": "0.140000", "p10": "0.100000", "p90": "0.210000", "latest_value": "0.210000", "latest_at": "2024-12-16 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1907", "parameter": "AMPA", "year": 2024, "sample_count": 7, "minimum": "0.028000", "maximum": "0.094000", "mean": "0.053571", "median": "0.055000", "p10": "0.028000", "p90": "0.060000", "latest_value": "0.028000", "latest_at": "2024-12-16 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1339", "parameter": "Nitrites", "year": 2024, "sample_count": 7, "minimum": "0.015000", "maximum": "0.021000", "mean": "0.017429", "median": "0.018000", "p10": "0.015000", "p90": "0.018000", "latest_value": "0.018000", "latest_at": "2024-11-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2024, "sample_count": 5, "minimum": "2.300000", "maximum": "11.000000", "mean": "5.360000", "median": "3.600000", "p10": "2.300000", "p90": "6.900000", "latest_value": "6.900000", "latest_at": "2024-12-16 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1439", "parameter": "Chlorophylle a", "year": 2024, "sample_count": 5, "minimum": "1.000000", "maximum": "2.000000", "mean": "1.400000", "median": "1.000000", "p10": "1.000000", "p90": "2.000000", "latest_value": "1.000000", "latest_at": "2024-09-17 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1436", "parameter": "Phéopigments", "year": 2024, "sample_count": 4, "minimum": "1.000000", "maximum": "1.000000", "mean": "1.000000", "median": "1.000000", "p10": "1.000000", "p90": "1.000000", "latest_value": "1.000000", "latest_at": "2024-09-17 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1345", "parameter": "Dureté totale", "year": 2024, "sample_count": 2, "minimum": "20.300000", "maximum": "21.300000", "mean": "20.800000", "median": "20.800000", "p10": "20.300000", "p90": "20.300000", "latest_value": "20.300000", "latest_at": "2024-09-17 00:00:00", "unit": "°f" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "6854", "parameter": "Metolachlor ESA", "year": 2024, "sample_count": 2, "minimum": "0.061000", "maximum": "0.069000", "mean": "0.065000", "median": "0.065000", "p10": "0.061000", "p90": "0.061000", "latest_value": "0.069000", "latest_at": "2024-08-19 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2024, "sample_count": 2, "minimum": "8.000000", "maximum": "12.000000", "mean": "10.000000", "median": "10.000000", "p10": "8.000000", "p90": "8.000000", "latest_value": "8.000000", "latest_at": "2024-12-16 00:00:00", "unit": "NFU" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1372", "parameter": "Magnésium", "year": 2024, "sample_count": 2, "minimum": "3.600000", "maximum": "4.300000", "mean": "3.950000", "median": "3.950000", "p10": "3.600000", "p90": "3.600000", "latest_value": "4.300000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1347", "parameter": "Titre alcalimétrique complet (T.A.C.)", "year": 2024, "sample_count": 2, "minimum": "16.700000", "maximum": "17.100000", "mean": "16.900000", "median": "16.900000", "p10": "16.700000", "p90": "16.700000", "latest_value": "17.100000", "latest_at": "2024-09-17 00:00:00", "unit": "°f" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1338", "parameter": "Sulfates", "year": 2024, "sample_count": 2, "minimum": "15.700000", "maximum": "17.200000", "mean": "16.450000", "median": "16.450000", "p10": "15.700000", "p90": "15.700000", "latest_value": "17.200000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1367", "parameter": "Potassium", "year": 2024, "sample_count": 2, "minimum": "0.990000", "maximum": "1.100000", "mean": "1.045000", "median": "1.045000", "p10": "0.990000", "p90": "0.990000", "latest_value": "0.990000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1375", "parameter": "Sodium", "year": 2024, "sample_count": 2, "minimum": "4.000000", "maximum": "4.400000", "mean": "4.200000", "median": "4.200000", "p10": "4.000000", "p90": "4.000000", "latest_value": "4.000000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1374", "parameter": "Calcium", "year": 2024, "sample_count": 2, "minimum": "74.100000", "maximum": "79.300000", "mean": "76.700000", "median": "76.700000", "p10": "74.100000", "p90": "74.100000", "latest_value": "74.100000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1337", "parameter": "Chlorures", "year": 2024, "sample_count": 2, "minimum": "5.100000", "maximum": "10.700000", "mean": "7.900000", "median": "7.900000", "p10": "5.100000", "p90": "5.100000", "latest_value": "5.100000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1327", "parameter": "Hydrogénocarbonates", "year": 2024, "sample_count": 2, "minimum": "199.000000", "maximum": "205.000000", "mean": "202.000000", "median": "202.000000", "p10": "199.000000", "p90": "199.000000", "latest_value": "205.000000", "latest_at": "2024-09-17 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1369", "parameter": "Arsenic", "year": 2024, "sample_count": 1, "minimum": "4.740000", "maximum": "4.740000", "mean": "4.740000", "median": "4.740000", "p10": "4.740000", "p90": "4.740000", "latest_value": "4.740000", "latest_at": "2024-09-02 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "3054", "parameter": "Particules - Classe granulométrique : 20 à 63 µm", "year": 2024, "sample_count": 1, "minimum": "29.420000", "maximum": "29.420000", "mean": "29.420000", "median": "29.420000", "p10": "29.420000", "p90": "29.420000", "latest_value": "29.420000", "latest_at": "2024-09-02 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2024, "sample_count": 1, "minimum": "20200.000000", "maximum": "20200.000000", "mean": "20200.000000", "median": "20200.000000", "p10": "20200.000000", "p90": "20200.000000", "latest_value": "20200.000000", "latest_at": "2024-09-02 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1383", "parameter": "Zinc", "year": 2024, "sample_count": 1, "minimum": "32.000000", "maximum": "32.000000", "mean": "32.000000", "median": "32.000000", "p10": "32.000000", "p90": "32.000000", "latest_value": "32.000000", "latest_at": "2024-09-02 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "6228", "parameter": "Particules - Classe granulométrique : inférieure à 20 µm", "year": 2024, "sample_count": 1, "minimum": "27.960000", "maximum": "27.960000", "mean": "27.960000", "median": "27.960000", "p10": "27.960000", "p90": "27.960000", "latest_value": "27.960000", "latest_at": "2024-09-02 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "7042", "parameter": "Particules - Classe granulométrique : 63 à 150 µm", "year": 2024, "sample_count": 1, "minimum": "19.820000", "maximum": "19.820000", "mean": "19.820000", "median": "19.820000", "p10": "19.820000", "p90": "19.820000", "latest_value": "19.820000", "latest_at": "2024-09-02 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1382", "parameter": "Plomb", "year": 2024, "sample_count": 1, "minimum": "11.700000", "maximum": "11.700000", "mean": "11.700000", "median": "11.700000", "p10": "11.700000", "p90": "11.700000", "latest_value": "11.700000", "latest_at": "2024-09-02 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1335", "parameter": "Ammonium", "year": 2023, "sample_count": 12, "minimum": "0.011000", "maximum": "0.032000", "mean": "0.019417", "median": "0.018500", "p10": "0.012000", "p90": "0.025000", "latest_value": "0.016000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2023, "sample_count": 12, "minimum": "8.100000", "maximum": "8.400000", "mean": "8.241667", "median": "8.200000", "p10": "8.200000", "p90": "8.300000", "latest_value": "8.200000", "latest_at": "2023-12-11 00:00:00", "unit": "unité pH" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2023, "sample_count": 12, "minimum": "1.190000", "maximum": "2.190000", "mean": "1.635000", "median": "1.615000", "p10": "1.310000", "p90": "1.860000", "latest_value": "1.860000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1342", "parameter": "Silicates", "year": 2023, "sample_count": 12, "minimum": "1.530000", "maximum": "6.100000", "mean": "4.321667", "median": "4.530000", "p10": "3.430000", "p90": "5.190000", "latest_value": "4.780000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2023, "sample_count": 12, "minimum": "5.600000", "maximum": "23.000000", "mean": "14.391667", "median": "13.800000", "p10": "8.800000", "p90": "18.600000", "latest_value": "10.200000", "latest_at": "2023-12-11 00:00:00", "unit": "°C" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2023, "sample_count": 12, "minimum": "95.000000", "maximum": "124.000000", "mean": "108.250000", "median": "106.000000", "p10": "100.000000", "p90": "118.000000", "latest_value": "95.000000", "latest_at": "2023-12-11 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2023, "sample_count": 12, "minimum": "9.300000", "maximum": "12.800000", "mean": "10.825000", "median": "10.750000", "p10": "9.300000", "p90": "12.400000", "latest_value": "10.500000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1340", "parameter": "Nitrates", "year": 2023, "sample_count": 12, "minimum": "2.460000", "maximum": "11.000000", "mean": "4.942500", "median": "4.340000", "p10": "2.560000", "p90": "6.010000", "latest_value": "4.780000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2023, "sample_count": 12, "minimum": "318.000000", "maximum": "469.000000", "mean": "393.000000", "median": "383.000000", "p10": "360.000000", "p90": "428.000000", "latest_value": "384.000000", "latest_at": "2023-12-11 00:00:00", "unit": "µS/cm" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2023, "sample_count": 11, "minimum": "0.011000", "maximum": "0.092000", "mean": "0.026273", "median": "0.021000", "p10": "0.012000", "p90": "0.027000", "latest_value": "0.092000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2023, "sample_count": 10, "minimum": "0.700000", "maximum": "1.200000", "mean": "0.880000", "median": "0.850000", "p10": "0.700000", "p90": "1.100000", "latest_value": "0.700000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2023, "sample_count": 9, "minimum": "0.022000", "maximum": "0.057000", "mean": "0.041222", "median": "0.047000", "p10": "0.022000", "p90": "0.052000", "latest_value": "0.030000", "latest_at": "2023-12-11 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1339", "parameter": "Nitrites", "year": 2023, "sample_count": 8, "minimum": "0.010000", "maximum": "0.021000", "mean": "0.014500", "median": "0.014000", "p10": "0.010000", "p90": "0.016000", "latest_value": "0.015000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1907", "parameter": "AMPA", "year": 2023, "sample_count": 6, "minimum": "0.026000", "maximum": "0.077000", "mean": "0.049500", "median": "0.048000", "p10": "0.026000", "p90": "0.065000", "latest_value": "0.036000", "latest_at": "2023-11-21 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1369", "parameter": "Arsenic", "year": 2023, "sample_count": 6, "minimum": "0.350000", "maximum": "0.570000", "mean": "0.461667", "median": "0.465000", "p10": "0.350000", "p90": "0.520000", "latest_value": "0.400000", "latest_at": "2023-11-21 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2023, "sample_count": 4, "minimum": "3.600000", "maximum": "11.000000", "mean": "5.575000", "median": "3.850000", "p10": "3.600000", "p90": "3.900000", "latest_value": "3.600000", "latest_at": "2023-08-21 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1386", "parameter": "Nickel", "year": 2023, "sample_count": 3, "minimum": "0.130000", "maximum": "0.290000", "mean": "0.190000", "median": "0.150000", "p10": "0.130000", "p90": "0.150000", "latest_value": "0.150000", "latest_at": "2023-11-21 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1375", "parameter": "Sodium", "year": 2023, "sample_count": 2, "minimum": "3.900000", "maximum": "4.900000", "mean": "4.400000", "median": "4.400000", "p10": "3.900000", "p90": "3.900000", "latest_value": "3.900000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1347", "parameter": "Titre alcalimétrique complet (T.A.C.)", "year": 2023, "sample_count": 2, "minimum": "16.300000", "maximum": "16.600000", "mean": "16.450000", "median": "16.450000", "p10": "16.300000", "p90": "16.300000", "latest_value": "16.600000", "latest_at": "2023-09-19 00:00:00", "unit": "°f" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1439", "parameter": "Chlorophylle a", "year": 2023, "sample_count": 2, "minimum": "1.000000", "maximum": "2.000000", "mean": "1.500000", "median": "1.500000", "p10": "1.000000", "p90": "1.000000", "latest_value": "2.000000", "latest_at": "2023-09-19 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1345", "parameter": "Dureté totale", "year": 2023, "sample_count": 2, "minimum": "19.500000", "maximum": "20.000000", "mean": "19.750000", "median": "19.750000", "p10": "19.500000", "p90": "19.500000", "latest_value": "20.000000", "latest_at": "2023-09-19 00:00:00", "unit": "°f" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1374", "parameter": "Calcium", "year": 2023, "sample_count": 2, "minimum": "70.800000", "maximum": "72.100000", "mean": "71.450000", "median": "71.450000", "p10": "70.800000", "p90": "70.800000", "latest_value": "72.100000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1367", "parameter": "Potassium", "year": 2023, "sample_count": 2, "minimum": "1.200000", "maximum": "1.400000", "mean": "1.300000", "median": "1.300000", "p10": "1.200000", "p90": "1.200000", "latest_value": "1.200000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1327", "parameter": "Hydrogénocarbonates", "year": 2023, "sample_count": 2, "minimum": "194.000000", "maximum": "198.000000", "mean": "196.000000", "median": "196.000000", "p10": "194.000000", "p90": "194.000000", "latest_value": "198.000000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1372", "parameter": "Magnésium", "year": 2023, "sample_count": 2, "minimum": "4.300000", "maximum": "4.800000", "mean": "4.550000", "median": "4.550000", "p10": "4.300000", "p90": "4.300000", "latest_value": "4.800000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1337", "parameter": "Chlorures", "year": 2023, "sample_count": 2, "minimum": "5.200000", "maximum": "7.800000", "mean": "6.500000", "median": "6.500000", "p10": "5.200000", "p90": "5.200000", "latest_value": "5.200000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1338", "parameter": "Sulfates", "year": 2023, "sample_count": 2, "minimum": "16.100000", "maximum": "21.000000", "mean": "18.550000", "median": "18.550000", "p10": "16.100000", "p90": "16.100000", "latest_value": "16.100000", "latest_at": "2023-09-19 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "6854", "parameter": "Metolachlor ESA", "year": 2023, "sample_count": 2, "minimum": "0.068000", "maximum": "0.120000", "mean": "0.094000", "median": "0.094000", "p10": "0.068000", "p90": "0.068000", "latest_value": "0.068000", "latest_at": "2023-05-23 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "7042", "parameter": "Particules - Classe granulométrique : 63 à 150 µm", "year": 2023, "sample_count": 1, "minimum": "21.650000", "maximum": "21.650000", "mean": "21.650000", "median": "21.650000", "p10": "21.650000", "p90": "21.650000", "latest_value": "21.650000", "latest_at": "2023-07-31 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2023, "sample_count": 1, "minimum": "12200.000000", "maximum": "12200.000000", "mean": "12200.000000", "median": "12200.000000", "p10": "12200.000000", "p90": "12200.000000", "latest_value": "12200.000000", "latest_at": "2023-07-31 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "3054", "parameter": "Particules - Classe granulométrique : 20 à 63 µm", "year": 2023, "sample_count": 1, "minimum": "19.190000", "maximum": "19.190000", "mean": "19.190000", "median": "19.190000", "p10": "19.190000", "p90": "19.190000", "latest_value": "19.190000", "latest_at": "2023-07-31 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1436", "parameter": "Phéopigments", "year": 2023, "sample_count": 1, "minimum": "2.000000", "maximum": "2.000000", "mean": "2.000000", "median": "2.000000", "p10": "2.000000", "p90": "2.000000", "latest_value": "2.000000", "latest_at": "2023-09-19 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1383", "parameter": "Zinc", "year": 2023, "sample_count": 1, "minimum": "24.600000", "maximum": "24.600000", "mean": "24.600000", "median": "24.600000", "p10": "24.600000", "p90": "24.600000", "latest_value": "24.600000", "latest_at": "2023-07-31 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "6228", "parameter": "Particules - Classe granulométrique : inférieure à 20 µm", "year": 2023, "sample_count": 1, "minimum": "15.010000", "maximum": "15.010000", "mean": "15.010000", "median": "15.010000", "p10": "15.010000", "p90": "15.010000", "latest_value": "15.010000", "latest_at": "2023-07-31 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1382", "parameter": "Plomb", "year": 2023, "sample_count": 1, "minimum": "8.210000", "maximum": "8.210000", "mean": "8.210000", "median": "8.210000", "p10": "8.210000", "p90": "8.210000", "latest_value": "8.210000", "latest_at": "2023-07-31 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1369", "parameter": "Arsenic", "year": 2023, "sample_count": 1, "minimum": "3.660000", "maximum": "3.660000", "mean": "3.660000", "median": "3.660000", "p10": "3.660000", "p90": "3.660000", "latest_value": "3.660000", "latest_at": "2023-07-31 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2023, "sample_count": 1, "minimum": "14.000000", "maximum": "14.000000", "mean": "14.000000", "median": "14.000000", "p10": "14.000000", "p90": "14.000000", "latest_value": "14.000000", "latest_at": "2023-06-19 00:00:00", "unit": "NFU" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2022, "sample_count": 18, "minimum": "7.800000", "maximum": "8.300000", "mean": "8.161111", "median": "8.200000", "p10": "7.900000", "p90": "8.300000", "latest_value": "7.800000", "latest_at": "2022-12-14 00:00:00", "unit": "unité pH" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2022, "sample_count": 18, "minimum": "90.000000", "maximum": "117.000000", "mean": "104.500000", "median": "104.000000", "p10": "96.000000", "p90": "115.000000", "latest_value": "100.000000", "latest_at": "2022-12-14 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2022, "sample_count": 18, "minimum": "8.500000", "maximum": "22.000000", "mean": "15.205556", "median": "17.250000", "p10": "9.000000", "p90": "20.900000", "latest_value": "9.100000", "latest_at": "2022-12-14 00:00:00", "unit": "°C" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2022, "sample_count": 18, "minimum": "328.000000", "maximum": "467.000000", "mean": "392.833333", "median": "387.500000", "p10": "338.000000", "p90": "462.000000", "latest_value": "394.000000", "latest_at": "2022-12-14 00:00:00", "unit": "µS/cm" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2022, "sample_count": 12, "minimum": "8.300000", "maximum": "12.000000", "mean": "10.266667", "median": "10.350000", "p10": "8.700000", "p90": "11.100000", "latest_value": "11.000000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1342", "parameter": "Silicates", "year": 2022, "sample_count": 12, "minimum": "0.900000", "maximum": "2.860000", "mean": "1.969167", "median": "2.020000", "p10": "1.410000", "p90": "2.410000", "latest_value": "1.680000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1340", "parameter": "Nitrates", "year": 2022, "sample_count": 12, "minimum": "1.150000", "maximum": "11.000000", "mean": "3.740000", "median": "3.545000", "p10": "1.370000", "p90": "4.380000", "latest_value": "4.060000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2022, "sample_count": 12, "minimum": "1.240000", "maximum": "2.040000", "mean": "1.486667", "median": "1.390000", "p10": "1.250000", "p90": "1.750000", "latest_value": "1.240000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2022, "sample_count": 12, "minimum": "0.580000", "maximum": "4.200000", "mean": "1.999167", "median": "1.850000", "p10": "0.810000", "p90": "2.900000", "latest_value": "0.580000", "latest_at": "2022-12-14 00:00:00", "unit": "NFU" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1335", "parameter": "Ammonium", "year": 2022, "sample_count": 10, "minimum": "0.011000", "maximum": "0.036000", "mean": "0.018400", "median": "0.015500", "p10": "0.011000", "p90": "0.027000", "latest_value": "0.012000", "latest_at": "2022-11-22 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1907", "parameter": "AMPA", "year": 2022, "sample_count": 10, "minimum": "0.027000", "maximum": "0.078000", "mean": "0.049800", "median": "0.051000", "p10": "0.027000", "p90": "0.071000", "latest_value": "0.055000", "latest_at": "2022-11-28 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2022, "sample_count": 9, "minimum": "0.013000", "maximum": "0.025000", "mean": "0.017556", "median": "0.016000", "p10": "0.013000", "p90": "0.023000", "latest_value": "0.015000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2022, "sample_count": 8, "minimum": "0.600000", "maximum": "1.300000", "mean": "0.812500", "median": "0.700000", "p10": "0.600000", "p90": "0.900000", "latest_value": "0.900000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2022, "sample_count": 6, "minimum": "10.000000", "maximum": "11.800000", "mean": "10.683333", "median": "10.450000", "p10": "10.000000", "p90": "11.300000", "latest_value": "11.300000", "latest_at": "2022-11-28 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2022, "sample_count": 6, "minimum": "3.100000", "maximum": "4.600000", "mean": "4.150000", "median": "4.350000", "p10": "3.100000", "p90": "4.500000", "latest_value": "4.600000", "latest_at": "2022-11-22 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1339", "parameter": "Nitrites", "year": 2022, "sample_count": 6, "minimum": "0.013000", "maximum": "0.018000", "mean": "0.015000", "median": "0.014500", "p10": "0.013000", "p90": "0.017000", "latest_value": "0.013000", "latest_at": "2022-06-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2022, "sample_count": 5, "minimum": "0.022000", "maximum": "0.049000", "mean": "0.034200", "median": "0.033000", "p10": "0.022000", "p90": "0.040000", "latest_value": "0.022000", "latest_at": "2022-12-14 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1436", "parameter": "Phéopigments", "year": 2022, "sample_count": 4, "minimum": "1.000000", "maximum": "2.000000", "mean": "1.750000", "median": "2.000000", "p10": "1.000000", "p90": "2.000000", "latest_value": "2.000000", "latest_at": "2022-09-20 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1369", "parameter": "Arsenic", "year": 2022, "sample_count": 4, "minimum": "0.400000", "maximum": "0.600000", "mean": "0.500000", "median": "0.500000", "p10": "0.400000", "p90": "0.500000", "latest_value": "0.500000", "latest_at": "2022-11-22 00:00:00", "unit": "µg(As)/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1383", "parameter": "Zinc", "year": 2022, "sample_count": 3, "minimum": "4.000000", "maximum": "11.000000", "mean": "6.666667", "median": "5.000000", "p10": "4.000000", "p90": "5.000000", "latest_value": "4.000000", "latest_at": "2022-11-22 00:00:00", "unit": "µg(Zn)/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1338", "parameter": "Sulfates", "year": 2022, "sample_count": 2, "minimum": "15.900000", "maximum": "17.800000", "mean": "16.850000", "median": "16.850000", "p10": "15.900000", "p90": "15.900000", "latest_value": "15.900000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1439", "parameter": "Chlorophylle a", "year": 2022, "sample_count": 2, "minimum": "1.000000", "maximum": "2.000000", "mean": "1.500000", "median": "1.500000", "p10": "1.000000", "p90": "1.000000", "latest_value": "1.000000", "latest_at": "2022-07-26 00:00:00", "unit": "µg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1345", "parameter": "Dureté totale", "year": 2022, "sample_count": 2, "minimum": "17.900000", "maximum": "24.200000", "mean": "21.050000", "median": "21.050000", "p10": "17.900000", "p90": "17.900000", "latest_value": "17.900000", "latest_at": "2022-09-20 00:00:00", "unit": "°f" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1327", "parameter": "Hydrogénocarbonates", "year": 2022, "sample_count": 2, "minimum": "195.000000", "maximum": "262.000000", "mean": "228.500000", "median": "228.500000", "p10": "195.000000", "p90": "195.000000", "latest_value": "195.000000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1337", "parameter": "Chlorures", "year": 2022, "sample_count": 2, "minimum": "4.000000", "maximum": "6.100000", "mean": "5.050000", "median": "5.050000", "p10": "4.000000", "p90": "4.000000", "latest_value": "4.000000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1367", "parameter": "Potassium", "year": 2022, "sample_count": 2, "minimum": "1.200000", "maximum": "1.200000", "mean": "1.200000", "median": "1.200000", "p10": "1.200000", "p90": "1.200000", "latest_value": "1.200000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1347", "parameter": "Titre alcalimétrique complet (T.A.C.)", "year": 2022, "sample_count": 2, "minimum": "16.300000", "maximum": "21.700000", "mean": "19.000000", "median": "19.000000", "p10": "16.300000", "p90": "16.300000", "latest_value": "16.300000", "latest_at": "2022-09-20 00:00:00", "unit": "°f" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1374", "parameter": "Calcium", "year": 2022, "sample_count": 2, "minimum": "63.400000", "maximum": "89.900000", "mean": "76.650000", "median": "76.650000", "p10": "63.400000", "p90": "63.400000", "latest_value": "63.400000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1375", "parameter": "Sodium", "year": 2022, "sample_count": 2, "minimum": "3.400000", "maximum": "3.700000", "mean": "3.550000", "median": "3.550000", "p10": "3.400000", "p90": "3.400000", "latest_value": "3.400000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1372", "parameter": "Magnésium", "year": 2022, "sample_count": 2, "minimum": "4.100000", "maximum": "5.000000", "mean": "4.550000", "median": "4.550000", "p10": "4.100000", "p90": "4.100000", "latest_value": "5.000000", "latest_at": "2022-09-20 00:00:00", "unit": "mg/L" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1382", "parameter": "Plomb", "year": 2022, "sample_count": 1, "minimum": "13.300000", "maximum": "13.300000", "mean": "13.300000", "median": "13.300000", "p10": "13.300000", "p90": "13.300000", "latest_value": "13.300000", "latest_at": "2022-09-08 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1383", "parameter": "Zinc", "year": 2022, "sample_count": 1, "minimum": "36.600000", "maximum": "36.600000", "mean": "36.600000", "median": "36.600000", "p10": "36.600000", "p90": "36.600000", "latest_value": "36.600000", "latest_at": "2022-09-08 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "3054", "parameter": "Particules - Classe granulométrique : 20 à 63 µm", "year": 2022, "sample_count": 1, "minimum": "19.200000", "maximum": "19.200000", "mean": "19.200000", "median": "19.200000", "p10": "19.200000", "p90": "19.200000", "latest_value": "19.200000", "latest_at": "2022-09-08 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "7042", "parameter": "Particules - Classe granulométrique : 63 à 150 µm", "year": 2022, "sample_count": 1, "minimum": "36.100000", "maximum": "36.100000", "mean": "36.100000", "median": "36.100000", "p10": "36.100000", "p90": "36.100000", "latest_value": "36.100000", "latest_at": "2022-09-08 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "6228", "parameter": "Particules - Classe granulométrique : inférieure à 20 µm", "year": 2022, "sample_count": 1, "minimum": "15.900000", "maximum": "15.900000", "mean": "15.900000", "median": "15.900000", "p10": "15.900000", "p90": "15.900000", "latest_value": "15.900000", "latest_at": "2022-09-08 00:00:00", "unit": "%" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1369", "parameter": "Arsenic", "year": 2022, "sample_count": 1, "minimum": "4.600000", "maximum": "4.600000", "mean": "4.600000", "median": "4.600000", "p10": "4.600000", "p90": "4.600000", "latest_value": "4.600000", "latest_at": "2022-09-08 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2022, "sample_count": 1, "minimum": "8450.000000", "maximum": "8450.000000", "mean": "8450.000000", "median": "8450.000000", "p10": "8450.000000", "p90": "8450.000000", "latest_value": "8450.000000", "latest_at": "2022-09-08 00:00:00", "unit": "mg/(kg MS)" }, { "station_code": "05167010", "station": "Le Grand Hers à Vals", "parameter_code": "6854", "parameter": "Metolachlor ESA", "year": 2022, "sample_count": 1, "minimum": "0.082000", "maximum": "0.082000", "mean": "0.082000", "median": "0.082000", "p10": "0.082000", "p90": "0.082000", "latest_value": "0.082000", "latest_at": "2022-03-14 00:00:00", "unit": "µg/L" } ] }