{ "river": { "name": "les Riais", "course_code": "J7714000", "topage_code": null }, "dataset": "quality", "extracted_at": "2026-11-07T11:50:10+01:00", "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.", "data": [ { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2026, "sample_count": 3, "minimum": "0.050000", "maximum": "0.170000", "mean": "0.123333", "median": "0.150000", "p10": "0.050000", "p90": "0.150000", "latest_value": "0.050000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(P)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2026, "sample_count": 3, "minimum": "85.600000", "maximum": "92.100000", "mean": "89.233333", "median": "90.000000", "p10": "85.600000", "p90": "90.000000", "latest_value": "92.100000", "latest_at": "2026-03-05 00:00:00", "unit": "%" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2026, "sample_count": 3, "minimum": "1.500000", "maximum": "3.300000", "mean": "2.166667", "median": "1.700000", "p10": "1.500000", "p90": "1.700000", "latest_value": "1.500000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2026, "sample_count": 3, "minimum": "7.700000", "maximum": "40.000000", "mean": "20.566667", "median": "14.000000", "p10": "7.700000", "p90": "14.000000", "latest_value": "7.700000", "latest_at": "2026-03-05 00:00:00", "unit": "NFU" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2026, "sample_count": 3, "minimum": "9.670000", "maximum": "11.040000", "mean": "10.423333", "median": "10.560000", "p10": "9.670000", "p90": "10.560000", "latest_value": "10.560000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1340", "parameter": "Nitrates", "year": 2026, "sample_count": 3, "minimum": "22.000000", "maximum": "38.000000", "mean": "30.000000", "median": "30.000000", "p10": "22.000000", "p90": "30.000000", "latest_value": "38.000000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2026, "sample_count": 3, "minimum": "3.900000", "maximum": "8.600000", "mean": "6.133333", "median": "5.900000", "p10": "3.900000", "p90": "5.900000", "latest_value": "3.900000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(C)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2026, "sample_count": 3, "minimum": "234.000000", "maximum": "326.000000", "mean": "280.000000", "median": "280.000000", "p10": "234.000000", "p90": "280.000000", "latest_value": "280.000000", "latest_at": "2026-03-05 00:00:00", "unit": "µS/cm" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2026, "sample_count": 3, "minimum": "0.040000", "maximum": "0.130000", "mean": "0.086667", "median": "0.090000", "p10": "0.040000", "p90": "0.090000", "latest_value": "0.040000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(PO4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2026, "sample_count": 3, "minimum": "6.900000", "maximum": "7.300000", "mean": "7.133333", "median": "7.200000", "p10": "6.900000", "p90": "7.200000", "latest_value": "7.200000", "latest_at": "2026-03-05 00:00:00", "unit": "unité pH" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1335", "parameter": "Ammonium", "year": 2026, "sample_count": 3, "minimum": "0.060000", "maximum": "0.420000", "mean": "0.190000", "median": "0.090000", "p10": "0.060000", "p90": "0.090000", "latest_value": "0.060000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(NH4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1339", "parameter": "Nitrites", "year": 2026, "sample_count": 3, "minimum": "0.060000", "maximum": "0.250000", "mean": "0.143333", "median": "0.120000", "p10": "0.060000", "p90": "0.120000", "latest_value": "0.120000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(NO2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2026, "sample_count": 3, "minimum": "0.600000", "maximum": "1.400000", "mean": "1.066667", "median": "1.200000", "p10": "0.600000", "p90": "1.200000", "latest_value": "0.600000", "latest_at": "2026-03-05 00:00:00", "unit": "mg(N)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2026, "sample_count": 3, "minimum": "8.500000", "maximum": "31.000000", "mean": "19.833333", "median": "20.000000", "p10": "8.500000", "p90": "20.000000", "latest_value": "8.500000", "latest_at": "2026-03-05 00:00:00", "unit": "mg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2026, "sample_count": 3, "minimum": "6.500000", "maximum": "9.600000", "mean": "8.266667", "median": "8.700000", "p10": "6.500000", "p90": "8.700000", "latest_value": "9.600000", "latest_at": "2026-03-05 00:00:00", "unit": "°C" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2025, "sample_count": 13, "minimum": "51.600000", "maximum": "109.300000", "mean": "80.669231", "median": "83.800000", "p10": "53.300000", "p90": "94.000000", "latest_value": "86.500000", "latest_at": "2025-12-09 00:00:00", "unit": "%" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2025, "sample_count": 13, "minimum": "269.000000", "maximum": "356.000000", "mean": "311.000000", "median": "305.000000", "p10": "283.000000", "p90": "336.000000", "latest_value": "356.000000", "latest_at": "2025-12-09 00:00:00", "unit": "µS/cm" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2025, "sample_count": 13, "minimum": "6.300000", "maximum": "19.400000", "mean": "12.400000", "median": "12.000000", "p10": "7.000000", "p90": "15.000000", "latest_value": "11.100000", "latest_at": "2025-12-09 00:00:00", "unit": "°C" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2025, "sample_count": 13, "minimum": "7.100000", "maximum": "7.500000", "mean": "7.238462", "median": "7.200000", "p10": "7.100000", "p90": "7.300000", "latest_value": "7.100000", "latest_at": "2025-12-09 00:00:00", "unit": "unité pH" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2025, "sample_count": 13, "minimum": "5.530000", "maximum": "12.080000", "mean": "8.771538", "median": "8.600000", "p10": "5.920000", "p90": "11.550000", "latest_value": "9.480000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1340", "parameter": "Nitrates", "year": 2025, "sample_count": 12, "minimum": "3.300000", "maximum": "52.000000", "mean": "26.833333", "median": "29.000000", "p10": "6.600000", "p90": "43.000000", "latest_value": "52.000000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2025, "sample_count": 12, "minimum": "2.400000", "maximum": "11.300000", "mean": "5.250000", "median": "4.650000", "p10": "3.000000", "p90": "6.300000", "latest_value": "11.300000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(C)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1335", "parameter": "Ammonium", "year": 2025, "sample_count": 12, "minimum": "0.020000", "maximum": "0.240000", "mean": "0.095000", "median": "0.085000", "p10": "0.050000", "p90": "0.130000", "latest_value": "0.090000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(NH4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2025, "sample_count": 12, "minimum": "0.040000", "maximum": "0.240000", "mean": "0.105833", "median": "0.100000", "p10": "0.050000", "p90": "0.120000", "latest_value": "0.240000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(P)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2025, "sample_count": 12, "minimum": "2.100000", "maximum": "31.000000", "mean": "11.275000", "median": "7.100000", "p10": "3.300000", "p90": "21.000000", "latest_value": "31.000000", "latest_at": "2025-12-09 00:00:00", "unit": "NFU" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1339", "parameter": "Nitrites", "year": 2025, "sample_count": 12, "minimum": "0.060000", "maximum": "0.220000", "mean": "0.109167", "median": "0.090000", "p10": "0.060000", "p90": "0.140000", "latest_value": "0.140000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(NO2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2025, "sample_count": 12, "minimum": "0.030000", "maximum": "0.160000", "mean": "0.095833", "median": "0.100000", "p10": "0.040000", "p90": "0.150000", "latest_value": "0.050000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(PO4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2025, "sample_count": 12, "minimum": "0.800000", "maximum": "3.500000", "mean": "1.725000", "median": "1.500000", "p10": "1.000000", "p90": "2.100000", "latest_value": "3.500000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2025, "sample_count": 10, "minimum": "4.100000", "maximum": "82.000000", "mean": "18.430000", "median": "11.050000", "p10": "4.100000", "p90": "25.000000", "latest_value": "82.000000", "latest_at": "2025-12-09 00:00:00", "unit": "mg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2025, "sample_count": 9, "minimum": "0.500000", "maximum": "2.100000", "mean": "0.900000", "median": "0.720000", "p10": "0.500000", "p90": "1.300000", "latest_value": "2.100000", "latest_at": "2025-12-09 00:00:00", "unit": "mg(N)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2024, "sample_count": 13, "minimum": "6.900000", "maximum": "7.500000", "mean": "7.223077", "median": "7.200000", "p10": "7.100000", "p90": "7.400000", "latest_value": "7.100000", "latest_at": "2024-12-05 00:00:00", "unit": "unité pH" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2024, "sample_count": 13, "minimum": "5.300000", "maximum": "19.700000", "mean": "12.715385", "median": "12.700000", "p10": "8.400000", "p90": "15.600000", "latest_value": "9.900000", "latest_at": "2024-12-05 00:00:00", "unit": "°C" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2024, "sample_count": 13, "minimum": "186.000000", "maximum": "399.000000", "mean": "304.461538", "median": "305.000000", "p10": "268.000000", "p90": "317.000000", "latest_value": "305.000000", "latest_at": "2024-12-05 00:00:00", "unit": "µS/cm" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2024, "sample_count": 13, "minimum": "81.300000", "maximum": "97.200000", "mean": "89.992308", "median": "91.300000", "p10": "82.700000", "p90": "95.000000", "latest_value": "92.400000", "latest_at": "2024-12-05 00:00:00", "unit": "%" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2024, "sample_count": 13, "minimum": "7.440000", "maximum": "12.310000", "mean": "9.654615", "median": "9.600000", "p10": "8.730000", "p90": "10.560000", "latest_value": "10.560000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2024, "sample_count": 12, "minimum": "0.030000", "maximum": "0.170000", "mean": "0.085000", "median": "0.075000", "p10": "0.040000", "p90": "0.140000", "latest_value": "0.040000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(PO4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1335", "parameter": "Ammonium", "year": 2024, "sample_count": 12, "minimum": "0.030000", "maximum": "0.260000", "mean": "0.081667", "median": "0.055000", "p10": "0.030000", "p90": "0.090000", "latest_value": "0.090000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(NH4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2024, "sample_count": 12, "minimum": "3.000000", "maximum": "140.000000", "mean": "24.941667", "median": "11.000000", "p10": "3.900000", "p90": "17.000000", "latest_value": "14.000000", "latest_at": "2024-12-05 00:00:00", "unit": "mg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2024, "sample_count": 12, "minimum": "3.900000", "maximum": "124.000000", "mean": "24.883333", "median": "9.800000", "p10": "4.000000", "p90": "16.000000", "latest_value": "13.000000", "latest_at": "2024-12-05 00:00:00", "unit": "NFU" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2024, "sample_count": 12, "minimum": "0.050000", "maximum": "0.310000", "mean": "0.104167", "median": "0.075000", "p10": "0.050000", "p90": "0.110000", "latest_value": "0.060000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(P)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1339", "parameter": "Nitrites", "year": 2024, "sample_count": 12, "minimum": "0.040000", "maximum": "0.130000", "mean": "0.086667", "median": "0.080000", "p10": "0.050000", "p90": "0.120000", "latest_value": "0.120000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(NO2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2024, "sample_count": 12, "minimum": "2.600000", "maximum": "11.600000", "mean": "5.266667", "median": "4.400000", "p10": "2.900000", "p90": "5.700000", "latest_value": "4.300000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(C)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2024, "sample_count": 12, "minimum": "0.900000", "maximum": "4.400000", "mean": "1.866667", "median": "1.600000", "p10": "1.100000", "p90": "2.000000", "latest_value": "1.500000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1340", "parameter": "Nitrates", "year": 2024, "sample_count": 12, "minimum": "13.000000", "maximum": "45.000000", "mean": "30.583333", "median": "33.500000", "p10": "21.000000", "p90": "37.000000", "latest_value": "37.000000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2024, "sample_count": 9, "minimum": "0.540000", "maximum": "2.400000", "mean": "1.001111", "median": "0.620000", "p10": "0.540000", "p90": "2.200000", "latest_value": "0.620000", "latest_at": "2024-12-05 00:00:00", "unit": "mg(N)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2023, "sample_count": 13, "minimum": "4.900000", "maximum": "20.100000", "mean": "12.892308", "median": "13.400000", "p10": "8.100000", "p90": "16.600000", "latest_value": "8.100000", "latest_at": "2023-12-06 00:00:00", "unit": "°C" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2023, "sample_count": 13, "minimum": "4.670000", "maximum": "12.590000", "mean": "9.286923", "median": "9.120000", "p10": "7.110000", "p90": "11.200000", "latest_value": "10.740000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2023, "sample_count": 13, "minimum": "43.700000", "maximum": "100.000000", "mean": "86.076923", "median": "89.000000", "p10": "77.300000", "p90": "95.600000", "latest_value": "90.400000", "latest_at": "2023-12-06 00:00:00", "unit": "%" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2023, "sample_count": 13, "minimum": "298.000000", "maximum": "454.000000", "mean": "327.615385", "median": "315.000000", "p10": "301.000000", "p90": "349.000000", "latest_value": "312.000000", "latest_at": "2023-12-06 00:00:00", "unit": "µS/cm" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2023, "sample_count": 13, "minimum": "7.100000", "maximum": "7.700000", "mean": "7.253846", "median": "7.200000", "p10": "7.100000", "p90": "7.300000", "latest_value": "7.100000", "latest_at": "2023-12-06 00:00:00", "unit": "unité pH" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2023, "sample_count": 12, "minimum": "5.000000", "maximum": "22.000000", "mean": "11.091667", "median": "11.000000", "p10": "5.300000", "p90": "14.000000", "latest_value": "17.000000", "latest_at": "2023-12-06 00:00:00", "unit": "NFU" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2023, "sample_count": 12, "minimum": "4.300000", "maximum": "28.000000", "mean": "13.800000", "median": "14.500000", "p10": "5.600000", "p90": "17.000000", "latest_value": "22.000000", "latest_at": "2023-12-06 00:00:00", "unit": "mg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1335", "parameter": "Ammonium", "year": 2023, "sample_count": 12, "minimum": "0.050000", "maximum": "0.290000", "mean": "0.154167", "median": "0.135000", "p10": "0.060000", "p90": "0.250000", "latest_value": "0.270000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(NH4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1340", "parameter": "Nitrates", "year": 2023, "sample_count": 12, "minimum": "8.200000", "maximum": "44.000000", "mean": "29.341667", "median": "34.500000", "p10": "9.900000", "p90": "42.000000", "latest_value": "42.000000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1339", "parameter": "Nitrites", "year": 2023, "sample_count": 12, "minimum": "0.050000", "maximum": "0.320000", "mean": "0.150000", "median": "0.130000", "p10": "0.070000", "p90": "0.250000", "latest_value": "0.070000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(NO2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2023, "sample_count": 12, "minimum": "0.610000", "maximum": "1.400000", "mean": "0.890000", "median": "0.805000", "p10": "0.680000", "p90": "1.100000", "latest_value": "1.100000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(N)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2023, "sample_count": 12, "minimum": "0.040000", "maximum": "0.270000", "mean": "0.120000", "median": "0.115000", "p10": "0.040000", "p90": "0.160000", "latest_value": "0.110000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(P)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2023, "sample_count": 12, "minimum": "2.900000", "maximum": "9.800000", "mean": "5.741667", "median": "6.250000", "p10": "3.300000", "p90": "6.900000", "latest_value": "6.500000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(C)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2023, "sample_count": 12, "minimum": "0.030000", "maximum": "0.250000", "mean": "0.112500", "median": "0.090000", "p10": "0.040000", "p90": "0.180000", "latest_value": "0.110000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(PO4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2023, "sample_count": 11, "minimum": "1.000000", "maximum": "5.700000", "mean": "1.963636", "median": "1.500000", "p10": "1.200000", "p90": "2.700000", "latest_value": "2.700000", "latest_at": "2023-12-06 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1301", "parameter": "Température de l'Eau", "year": 2022, "sample_count": 20, "minimum": "3.400000", "maximum": "20.900000", "mean": "12.730000", "median": "12.350000", "p10": "7.600000", "p90": "18.300000", "latest_value": "9.800000", "latest_at": "2022-12-22 00:00:00", "unit": "°C" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1303", "parameter": "Conductivité à 25°C", "year": 2022, "sample_count": 20, "minimum": "240.000000", "maximum": "434.000000", "mean": "328.150000", "median": "320.000000", "p10": "246.000000", "p90": "381.000000", "latest_value": "318.000000", "latest_at": "2022-12-22 00:00:00", "unit": "µS/cm" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1311", "parameter": "Oxygène dissous", "year": 2022, "sample_count": 20, "minimum": "1.460000", "maximum": "12.750000", "mean": "8.422500", "median": "8.675000", "p10": "2.500000", "p90": "11.230000", "latest_value": "10.130000", "latest_at": "2022-12-22 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1312", "parameter": "Taux de saturation en oxygène", "year": 2022, "sample_count": 20, "minimum": "15.600000", "maximum": "102.600000", "mean": "77.135000", "median": "83.100000", "p10": "27.800000", "p90": "95.500000", "latest_value": "89.200000", "latest_at": "2022-12-22 00:00:00", "unit": "%" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1302", "parameter": "Potentiel en Hydrogène (pH)", "year": 2022, "sample_count": 20, "minimum": "6.900000", "maximum": "8.200000", "mean": "7.295000", "median": "7.250000", "p10": "7.000000", "p90": "7.500000", "latest_value": "7.300000", "latest_at": "2022-12-22 00:00:00", "unit": "unité pH" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1739", "parameter": "Teinte de l'eau", "year": 2022, "sample_count": 15, "minimum": "6.000000", "maximum": "8.000000", "mean": "7.666667", "median": "8.000000", "p10": "6.000000", "p90": "8.000000", "latest_value": "8.000000", "latest_at": "2022-12-22 00:00:00", "unit": "X" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6895", "parameter": "Métazachlore ESA", "year": 2022, "sample_count": 12, "minimum": "0.020000", "maximum": "0.410000", "mean": "0.133333", "median": "0.065000", "p10": "0.030000", "p90": "0.265000", "latest_value": "0.245000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1433", "parameter": "Orthophosphates (PO4)", "year": 2022, "sample_count": 12, "minimum": "0.040000", "maximum": "0.280000", "mean": "0.135833", "median": "0.120000", "p10": "0.050000", "p90": "0.230000", "latest_value": "0.070000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(PO4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1295", "parameter": "Turbidité Formazine Néphélométrique", "year": 2022, "sample_count": 12, "minimum": "6.200000", "maximum": "41.000000", "mean": "15.691667", "median": "13.000000", "p10": "6.300000", "p90": "21.000000", "latest_value": "6.500000", "latest_at": "2022-12-08 00:00:00", "unit": "NFU" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6854", "parameter": "Metolachlor ESA", "year": 2022, "sample_count": 12, "minimum": "0.125000", "maximum": "0.890000", "mean": "0.351667", "median": "0.305000", "p10": "0.155000", "p90": "0.375000", "latest_value": "0.720000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "7716", "parameter": "Nicosulfuron ASDM", "year": 2022, "sample_count": 12, "minimum": "0.055000", "maximum": "0.245000", "mean": "0.117917", "median": "0.077500", "p10": "0.055000", "p90": "0.225000", "latest_value": "0.245000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1350", "parameter": "Phosphore total", "year": 2022, "sample_count": 12, "minimum": "0.050000", "maximum": "0.300000", "mean": "0.142500", "median": "0.115000", "p10": "0.060000", "p90": "0.230000", "latest_value": "0.060000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(P)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1305", "parameter": "Matières en suspension", "year": 2022, "sample_count": 12, "minimum": "4.800000", "maximum": "170.000000", "mean": "28.666667", "median": "16.500000", "p10": "6.400000", "p90": "25.000000", "latest_value": "4.800000", "latest_at": "2022-12-08 00:00:00", "unit": "mg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1339", "parameter": "Nitrites", "year": 2022, "sample_count": 12, "minimum": "0.070000", "maximum": "0.320000", "mean": "0.156667", "median": "0.140000", "p10": "0.080000", "p90": "0.210000", "latest_value": "0.200000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(NO2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1335", "parameter": "Ammonium", "year": 2022, "sample_count": 12, "minimum": "0.040000", "maximum": "0.830000", "mean": "0.219167", "median": "0.130000", "p10": "0.060000", "p90": "0.380000", "latest_value": "0.140000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(NH4)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1841", "parameter": "Carbone Organique", "year": 2022, "sample_count": 12, "minimum": "3.600000", "maximum": "13.600000", "mean": "7.083333", "median": "6.600000", "p10": "4.000000", "p90": "9.700000", "latest_value": "5.900000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(C)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1313", "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)", "year": 2022, "sample_count": 12, "minimum": "1.200000", "maximum": "5.100000", "mean": "2.358333", "median": "1.800000", "p10": "1.400000", "p90": "3.200000", "latest_value": "1.500000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(O2)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1340", "parameter": "Nitrates", "year": 2022, "sample_count": 12, "minimum": "1.100000", "maximum": "40.000000", "mean": "21.266667", "median": "22.500000", "p10": "1.700000", "p90": "36.000000", "latest_value": "29.000000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(NO3)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6853", "parameter": "Metolachlor OXA", "year": 2022, "sample_count": 11, "minimum": "0.020000", "maximum": "0.350000", "mean": "0.120909", "median": "0.075000", "p10": "0.020000", "p90": "0.255000", "latest_value": "0.255000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1319", "parameter": "Azote Kjeldahl", "year": 2022, "sample_count": 11, "minimum": "0.500000", "maximum": "2.200000", "mean": "1.018182", "median": "0.900000", "p10": "0.600000", "p90": "1.800000", "latest_value": "0.600000", "latest_at": "2022-12-08 00:00:00", "unit": "mg(N)/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1832", "parameter": "2-hydroxy atrazine", "year": 2022, "sample_count": 9, "minimum": "0.020000", "maximum": "0.040000", "mean": "0.027222", "median": "0.025000", "p10": "0.020000", "p90": "0.035000", "latest_value": "0.030000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1907", "parameter": "AMPA", "year": 2022, "sample_count": 9, "minimum": "0.030000", "maximum": "0.200000", "mean": "0.096667", "median": "0.070000", "p10": "0.030000", "p90": "0.170000", "latest_value": "0.030000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6865", "parameter": "Diméthénamide ESA", "year": 2022, "sample_count": 7, "minimum": "0.020000", "maximum": "0.100000", "mean": "0.047143", "median": "0.050000", "p10": "0.020000", "p90": "0.055000", "latest_value": "0.055000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1954", "parameter": "Terbuthylazine hydroxy", "year": 2022, "sample_count": 7, "minimum": "0.020000", "maximum": "0.090000", "mean": "0.053571", "median": "0.045000", "p10": "0.020000", "p90": "0.075000", "latest_value": "0.020000", "latest_at": "2022-11-24 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1506", "parameter": "Glyphosate", "year": 2022, "sample_count": 6, "minimum": "0.050000", "maximum": "0.310000", "mean": "0.121667", "median": "0.085000", "p10": "0.050000", "p90": "0.130000", "latest_value": "0.090000", "latest_at": "2022-11-24 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1882", "parameter": "Nicosulfuron", "year": 2022, "sample_count": 6, "minimum": "0.020000", "maximum": "0.450000", "mean": "0.120833", "median": "0.057500", "p10": "0.020000", "p90": "0.110000", "latest_value": "0.055000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "7735", "parameter": "Diméthénamide OXA", "year": 2022, "sample_count": 6, "minimum": "0.020000", "maximum": "0.085000", "mean": "0.036667", "median": "0.027500", "p10": "0.020000", "p90": "0.035000", "latest_value": "0.025000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6800", "parameter": "Alachlor ESA", "year": 2022, "sample_count": 6, "minimum": "0.020000", "maximum": "0.030000", "mean": "0.023333", "median": "0.020000", "p10": "0.020000", "p90": "0.030000", "latest_value": "0.020000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6894", "parameter": "Métazachlore OXA", "year": 2022, "sample_count": 5, "minimum": "0.025000", "maximum": "0.205000", "mean": "0.076000", "median": "0.050000", "p10": "0.025000", "p90": "0.070000", "latest_value": "0.205000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1268", "parameter": "Terbuthylazine", "year": 2022, "sample_count": 4, "minimum": "0.020000", "maximum": "0.460000", "mean": "0.221250", "median": "0.202500", "p10": "0.020000", "p90": "0.375000", "latest_value": "0.020000", "latest_at": "2022-08-17 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "8782", "parameter": "Diflufénicanil métabolite AE-B107137", "year": 2022, "sample_count": 4, "minimum": "0.020000", "maximum": "0.050000", "mean": "0.030000", "median": "0.025000", "p10": "0.020000", "p90": "0.030000", "latest_value": "0.020000", "latest_at": "2022-10-06 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "8768", "parameter": "Prosulfocarbe sulfoxyde", "year": 2022, "sample_count": 4, "minimum": "0.060000", "maximum": "0.150000", "mean": "0.090000", "median": "0.075000", "p10": "0.060000", "p90": "0.080000", "latest_value": "0.070000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6863", "parameter": "Flufénacet OXA", "year": 2022, "sample_count": 4, "minimum": "0.025000", "maximum": "0.100000", "mean": "0.060000", "median": "0.057500", "p10": "0.025000", "p90": "0.070000", "latest_value": "0.070000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1092", "parameter": "Prosulfocarbe", "year": 2022, "sample_count": 4, "minimum": "0.065000", "maximum": "0.370000", "mean": "0.196250", "median": "0.175000", "p10": "0.065000", "p90": "0.270000", "latest_value": "0.080000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1940", "parameter": "Thiafluamide", "year": 2022, "sample_count": 4, "minimum": "0.030000", "maximum": "0.075000", "mean": "0.053750", "median": "0.055000", "p10": "0.030000", "p90": "0.060000", "latest_value": "0.030000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "6864", "parameter": "Flufénacet ESA", "year": 2022, "sample_count": 3, "minimum": "0.060000", "maximum": "0.590000", "mean": "0.403333", "median": "0.560000", "p10": "0.060000", "p90": "0.560000", "latest_value": "0.560000", "latest_at": "2022-12-22 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1221", "parameter": "Métolachlore total", "year": 2022, "sample_count": 3, "minimum": "0.020000", "maximum": "0.600000", "mean": "0.351667", "median": "0.435000", "p10": "0.020000", "p90": "0.435000", "latest_value": "0.020000", "latest_at": "2022-08-04 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1678", "parameter": "Diméthénamide total", "year": 2022, "sample_count": 3, "minimum": "0.070000", "maximum": "0.090000", "mean": "0.081667", "median": "0.085000", "p10": "0.070000", "p90": "0.085000", "latest_value": "0.070000", "latest_at": "2022-10-06 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1136", "parameter": "Chlortoluron", "year": 2022, "sample_count": 2, "minimum": "0.040000", "maximum": "0.065000", "mean": "0.052500", "median": "0.052500", "p10": "0.040000", "p90": "0.040000", "latest_value": "0.065000", "latest_at": "2022-11-24 00:00:00", "unit": "µg/L" }, { "station_code": "04377010", "station": "RAU DES RIAIS A GUIPRY-MESSAC", "parameter_code": "1796", "parameter": "Métaldéhyde", "year": 2022, "sample_count": 2, "minimum": "0.060000", "maximum": "0.080000", "mean": "0.070000", "median": "0.070000", "p10": "0.060000", "p90": "0.060000", "latest_value": "0.060000", "latest_at": "2022-11-24 00:00:00", "unit": "µg/L" } ] }