{
    "river": {
        "name": "les Poiriers",
        "course_code": "L4325500",
        "topage_code": null
    },
    "dataset": "quality",
    "extracted_at": "2026-11-09T12:59:15+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1301",
            "parameter": "Température de l'Eau",
            "year": 2023,
            "sample_count": 24,
            "minimum": "3.100000",
            "maximum": "21.000000",
            "mean": "13.108333",
            "median": "13.400000",
            "p10": "6.600000",
            "p90": "18.400000",
            "latest_value": "6.600000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "°C"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1312",
            "parameter": "Taux de saturation en oxygène",
            "year": 2023,
            "sample_count": 24,
            "minimum": "87.000000",
            "maximum": "104.400000",
            "mean": "96.891667",
            "median": "97.200000",
            "p10": "87.900000",
            "p90": "104.300000",
            "latest_value": "99.800000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "%"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1302",
            "parameter": "Potentiel en Hydrogène (pH)",
            "year": 2023,
            "sample_count": 24,
            "minimum": "6.700000",
            "maximum": "7.900000",
            "mean": "7.475000",
            "median": "7.500000",
            "p10": "7.200000",
            "p90": "7.700000",
            "latest_value": "7.200000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "unité pH"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1303",
            "parameter": "Conductivité à 25°C",
            "year": 2023,
            "sample_count": 24,
            "minimum": "125.000000",
            "maximum": "236.000000",
            "mean": "168.266667",
            "median": "153.100000",
            "p10": "127.000000",
            "p90": "232.000000",
            "latest_value": "135.000000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "µS/cm"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1311",
            "parameter": "Oxygène dissous",
            "year": 2023,
            "sample_count": 24,
            "minimum": "7.800000",
            "maximum": "13.820000",
            "mean": "10.110000",
            "median": "10.050000",
            "p10": "8.600000",
            "p90": "12.100000",
            "latest_value": "12.100000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(O2)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "8727",
            "parameter": "Température de réception de l'échantillon au laboratoire",
            "year": 2023,
            "sample_count": 18,
            "minimum": "5.000000",
            "maximum": "8.000000",
            "mean": "5.777778",
            "median": "5.000000",
            "p10": "5.000000",
            "p90": "7.000000",
            "latest_value": "5.000000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "°C"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1295",
            "parameter": "Turbidité Formazine Néphélométrique",
            "year": 2023,
            "sample_count": 16,
            "minimum": "6.280000",
            "maximum": "16.500000",
            "mean": "11.328750",
            "median": "10.715000",
            "p10": "6.280000",
            "p90": "15.800000",
            "latest_value": "12.000000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "NFU"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "6895",
            "parameter": "Métazachlore ESA",
            "year": 2023,
            "sample_count": 14,
            "minimum": "0.023000",
            "maximum": "0.244000",
            "mean": "0.086143",
            "median": "0.031000",
            "p10": "0.023000",
            "p90": "0.186000",
            "latest_value": "0.186000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1342",
            "parameter": "Silicates",
            "year": 2023,
            "sample_count": 12,
            "minimum": "14.610000",
            "maximum": "30.350000",
            "mean": "21.845000",
            "median": "20.635000",
            "p10": "14.610000",
            "p90": "27.310000",
            "latest_value": "17.530000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(SiO3)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1339",
            "parameter": "Nitrites",
            "year": 2023,
            "sample_count": 12,
            "minimum": "0.020000",
            "maximum": "0.050000",
            "mean": "0.028333",
            "median": "0.025000",
            "p10": "0.020000",
            "p90": "0.030000",
            "latest_value": "0.020000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(NO2)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "6755",
            "parameter": "Metformine",
            "year": 2023,
            "sample_count": 12,
            "minimum": "0.016900",
            "maximum": "0.517800",
            "mean": "0.166467",
            "median": "0.095200",
            "p10": "0.016900",
            "p90": "0.222000",
            "latest_value": "0.222000",
            "latest_at": "2023-11-09 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1313",
            "parameter": "Demande Biochimique en oxygène en 5 jours (D.B.O.5)",
            "year": 2023,
            "sample_count": 12,
            "minimum": "1.200000",
            "maximum": "4.000000",
            "mean": "2.116667",
            "median": "1.900000",
            "p10": "1.200000",
            "p90": "2.500000",
            "latest_value": "1.200000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(O2)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1340",
            "parameter": "Nitrates",
            "year": 2023,
            "sample_count": 12,
            "minimum": "5.500000",
            "maximum": "16.000000",
            "mean": "9.983333",
            "median": "8.450000",
            "p10": "5.500000",
            "p90": "15.000000",
            "latest_value": "9.900000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(NO3)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1841",
            "parameter": "Carbone Organique",
            "year": 2023,
            "sample_count": 12,
            "minimum": "3.800000",
            "maximum": "9.800000",
            "mean": "7.200000",
            "median": "6.750000",
            "p10": "3.800000",
            "p90": "9.400000",
            "latest_value": "9.400000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(C)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1433",
            "parameter": "Orthophosphates (PO4)",
            "year": 2023,
            "sample_count": 12,
            "minimum": "0.060000",
            "maximum": "0.220000",
            "mean": "0.119667",
            "median": "0.089000",
            "p10": "0.060000",
            "p90": "0.180000",
            "latest_value": "0.080000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(PO4)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1335",
            "parameter": "Ammonium",
            "year": 2023,
            "sample_count": 12,
            "minimum": "0.020000",
            "maximum": "0.170000",
            "mean": "0.058333",
            "median": "0.040000",
            "p10": "0.020000",
            "p90": "0.050000",
            "latest_value": "0.050000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(NH4)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1350",
            "parameter": "Phosphore total",
            "year": 2023,
            "sample_count": 12,
            "minimum": "0.045000",
            "maximum": "0.146000",
            "mean": "0.074833",
            "median": "0.058500",
            "p10": "0.045000",
            "p90": "0.085000",
            "latest_value": "0.059000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(P)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "6601",
            "parameter": "Ethyleneuree",
            "year": 2023,
            "sample_count": 10,
            "minimum": "0.203000",
            "maximum": "4.360000",
            "mean": "1.948400",
            "median": "1.920000",
            "p10": "0.203000",
            "p90": "4.360000",
            "latest_value": "0.499000",
            "latest_at": "2023-11-09 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1319",
            "parameter": "Azote Kjeldahl",
            "year": 2023,
            "sample_count": 10,
            "minimum": "0.540000",
            "maximum": "1.600000",
            "mean": "0.942000",
            "median": "0.720000",
            "p10": "0.540000",
            "p90": "1.600000",
            "latest_value": "1.170000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg(N)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1305",
            "parameter": "Matières en suspension",
            "year": 2023,
            "sample_count": 10,
            "minimum": "3.800000",
            "maximum": "17.000000",
            "mean": "8.900000",
            "median": "6.400000",
            "p10": "3.800000",
            "p90": "17.000000",
            "latest_value": "12.000000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "mg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1211",
            "parameter": "Mancozèbe",
            "year": 2023,
            "sample_count": 10,
            "minimum": "0.203000",
            "maximum": "4.360000",
            "mean": "1.948400",
            "median": "1.920000",
            "p10": "0.203000",
            "p90": "4.360000",
            "latest_value": "0.499000",
            "latest_at": "2023-11-09 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1907",
            "parameter": "AMPA",
            "year": 2023,
            "sample_count": 8,
            "minimum": "0.038000",
            "maximum": "0.143000",
            "mean": "0.077750",
            "median": "0.065000",
            "p10": "0.038000",
            "p90": "0.143000",
            "latest_value": "0.065000",
            "latest_at": "2023-07-25 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1214",
            "parameter": "Mécoprop total",
            "year": 2023,
            "sample_count": 6,
            "minimum": "0.006000",
            "maximum": "0.013000",
            "mean": "0.010333",
            "median": "0.012000",
            "p10": "0.006000",
            "p90": "0.013000",
            "latest_value": "0.013000",
            "latest_at": "2023-06-21 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1375",
            "parameter": "Sodium",
            "year": 2023,
            "sample_count": 4,
            "minimum": "8.500000",
            "maximum": "12.200000",
            "mean": "10.350000",
            "median": "10.350000",
            "p10": "8.500000",
            "p90": "12.200000",
            "latest_value": "12.200000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(Na)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1338",
            "parameter": "Sulfates",
            "year": 2023,
            "sample_count": 4,
            "minimum": "9.200000",
            "maximum": "21.000000",
            "mean": "15.100000",
            "median": "15.100000",
            "p10": "9.200000",
            "p90": "21.000000",
            "latest_value": "21.000000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(SO4)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "5299",
            "parameter": "N-Butylbenzenesulfonamide",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.116000",
            "maximum": "0.146000",
            "mean": "0.131000",
            "median": "0.131000",
            "p10": "0.116000",
            "p90": "0.146000",
            "latest_value": "0.116000",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1517",
            "parameter": "Naphtalène",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.002910",
            "maximum": "0.008110",
            "mean": "0.005510",
            "median": "0.005510",
            "p10": "0.002910",
            "p90": "0.008110",
            "latest_value": "0.008110",
            "latest_at": "2023-12-20 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1221",
            "parameter": "Métolachlore total",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.005000",
            "maximum": "0.016000",
            "mean": "0.010500",
            "median": "0.010500",
            "p10": "0.005000",
            "p90": "0.016000",
            "latest_value": "0.005000",
            "latest_at": "2023-07-25 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "2974",
            "parameter": "S-Métolachlore",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.005000",
            "maximum": "0.016000",
            "mean": "0.010500",
            "median": "0.010500",
            "p10": "0.005000",
            "p90": "0.016000",
            "latest_value": "0.005000",
            "latest_at": "2023-07-25 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1374",
            "parameter": "Calcium",
            "year": 2023,
            "sample_count": 4,
            "minimum": "10.300000",
            "maximum": "18.600000",
            "mean": "14.450000",
            "median": "14.450000",
            "p10": "10.300000",
            "p90": "18.600000",
            "latest_value": "18.600000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(Ca)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1372",
            "parameter": "Magnésium",
            "year": 2023,
            "sample_count": 4,
            "minimum": "2.900000",
            "maximum": "5.800000",
            "mean": "4.350000",
            "median": "4.350000",
            "p10": "2.900000",
            "p90": "5.800000",
            "latest_value": "5.800000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(Mg)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1347",
            "parameter": "Titre alcalimétrique complet (T.A.C.)",
            "year": 2023,
            "sample_count": 4,
            "minimum": "2.800000",
            "maximum": "5.500000",
            "mean": "4.150000",
            "median": "4.150000",
            "p10": "2.800000",
            "p90": "5.500000",
            "latest_value": "5.500000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "°f"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "6660",
            "parameter": "Tolyltriazole",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.005000",
            "maximum": "0.008000",
            "mean": "0.006500",
            "median": "0.006500",
            "p10": "0.005000",
            "p90": "0.008000",
            "latest_value": "0.008000",
            "latest_at": "2023-06-21 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "6854",
            "parameter": "Metolachlor ESA",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.035000",
            "maximum": "0.092000",
            "mean": "0.063500",
            "median": "0.063500",
            "p10": "0.035000",
            "p90": "0.092000",
            "latest_value": "0.092000",
            "latest_at": "2023-11-09 00:00:00",
            "unit": "µg/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1337",
            "parameter": "Chlorures",
            "year": 2023,
            "sample_count": 4,
            "minimum": "10.000000",
            "maximum": "15.000000",
            "mean": "12.500000",
            "median": "12.500000",
            "p10": "10.000000",
            "p90": "15.000000",
            "latest_value": "15.000000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(Cl)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1346",
            "parameter": "Titre alcalimétrique (T.A.)",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.000000",
            "maximum": "0.000000",
            "mean": "0.000000",
            "median": "0.000000",
            "p10": "0.000000",
            "p90": "0.000000",
            "latest_value": "0.000000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "°f"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1327",
            "parameter": "Hydrogénocarbonates",
            "year": 2023,
            "sample_count": 4,
            "minimum": "34.000000",
            "maximum": "67.000000",
            "mean": "50.500000",
            "median": "50.500000",
            "p10": "34.000000",
            "p90": "67.000000",
            "latest_value": "67.000000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(HCO3)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1328",
            "parameter": "Carbonates",
            "year": 2023,
            "sample_count": 4,
            "minimum": "0.000000",
            "maximum": "0.000000",
            "mean": "0.000000",
            "median": "0.000000",
            "p10": "0.000000",
            "p90": "0.000000",
            "latest_value": "0.000000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(CO3)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1367",
            "parameter": "Potassium",
            "year": 2023,
            "sample_count": 4,
            "minimum": "2.800000",
            "maximum": "5.500000",
            "mean": "4.150000",
            "median": "4.150000",
            "p10": "2.800000",
            "p90": "5.500000",
            "latest_value": "5.500000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "mg(K)/L"
        },
        {
            "station_code": "04543001",
            "station": "RAU DES POIRIERS A GENOUILLAC",
            "parameter_code": "1345",
            "parameter": "Dureté totale",
            "year": 2023,
            "sample_count": 4,
            "minimum": "3.770000",
            "maximum": "7.040000",
            "mean": "5.405000",
            "median": "5.405000",
            "p10": "3.770000",
            "p90": "7.040000",
            "latest_value": "7.040000",
            "latest_at": "2023-10-19 00:00:00",
            "unit": "°f"
        }
    ]
}