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Qualité Des Eaux - Éléments Majeurs - Dernière Campagne

APIExecutable4/7Query nowOpen workbenchSubscribe🇨🇭Switzerland

L'appréciation de la qualité des cours d'eau à l'aide des nutriments est guidée par le système modulaire gradué et permet de juger si les exigences chiffrées figurant dans l'annexe 2 de l'Ordonnance sur la protection des eaux (OEaux sont respectées Méthodes d'analyse et d'appréciation des cours d'e…

61
good

Weighted across five axes. Tap a ring for what it measures.

Data schema (31 fields)

Click a field to see example values.

FieldTypeDescription
OBJECTIDoidInternal unique record identifier.Internal unique record identifier.
CODEMESUREstringUnique code identifying the measurement station and point.Unique code identifying the measurement station and point.
NOM_STATIONNom stationstringName of the monitoring station.Name of the monitoring station.
COURS_EAUCours eaustringName and reference number of the watercourse.Name and reference number of the watercourse.
LIEN_FICHELien fichestringLink to the monitoring report PDF for this station and year.Link to the monitoring report PDF for this station and year.
NB_PRELEVEMENTNb prelevementintegerNumber of water samples taken during the campaign.Number of water samples taken during the campaign.
ANNEEintegerYear of the monitoring campaign.Year of the monitoring campaign.
WORSTCASEstringOverall worst-case water quality assessment for the station.Overall worst-case water quality assessment for the station.
DECLASSANTstringParameter causing the water quality downgrade, if any.Parameter causing the water quality downgrade, if any.
CONDUCTIVITEdoubleMeasured electrical conductivity of the water.Measured electrical conductivity of the water.
PHdoubleMeasured pH value of the water.Measured pH value of the water.
OXYGENEdoubleMeasured dissolved oxygen concentration in the water.Measured dissolved oxygen concentration in the water.
SATURATIONdoubleDissolved oxygen saturation percentage in the water.Dissolved oxygen saturation percentage in the water.
ALCALINITEdoubleMeasured alkalinity of the water.Measured alkalinity of the water.
DBOdoubleMeasured biochemical oxygen demand (BOD) of the water.Measured biochemical oxygen demand (BOD) of the water.
CODdoubleMeasured chemical oxygen demand (COD) of the water.Measured chemical oxygen demand (COD) of the water.
N_NH4N nh4doubleMeasured ammonium nitrogen concentration.Measured ammonium nitrogen concentration.
N_NO2N no2doubleMeasured nitrite nitrogen concentration.Measured nitrite nitrogen concentration.
N_NO3N no3doubleMeasured nitrate nitrogen concentration.Measured nitrate nitrogen concentration.
P_PO4P po4doubleMeasured phosphate phosphorus concentration.Measured phosphate phosphorus concentration.
N_TOTALN totaldoubleMeasured total nitrogen concentration.Measured total nitrogen concentration.
P_TOTALP totaldoubleMeasured total phosphorus concentration.Measured total phosphorus concentration.
SILICEdoubleMeasured silica concentration in the water.Measured silica concentration in the water.
CHLORUREdoubleMeasured chloride concentration in the water.Measured chloride concentration in the water.
SULFATEdoubleMeasured sulfate concentration in the water.Measured sulfate concentration in the water.
POTASSIUMdoubleMeasured potassium concentration in the water.Measured potassium concentration in the water.
MAGNESIUMdoubleMeasured magnesium concentration in the water.Measured magnesium concentration in the water.
CALCIUMdoubleMeasured calcium concentration in the water.Measured calcium concentration in the water.
DISPLAY_FIELDDisplay fieldstringCombined station name and year label for display.Combined station name and year label for display.
SHAPEgeometryGeometric location of the monitoring station.Geometric location of the monitoring station.
SODIUMdoubleMeasured sodium concentration in the water.Measured sodium concentration in the water.

Schema captured from arcgis 4 days ago.

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Sample data (3 records)

Record 1PH: 8.06 · COD: 6.32
{
  "PH": 8.06,
  "COD": 6.32,
  "DBO": 2.8,
  "ANNEE": 2020,
  "N_NH4": 0.217,
  "N_NO2": 0.1,
  "N_NO3": 3,
  "P_PO4": 0.254,
  "SILICE": -99,
  "SODIUM": 18.22,
  "CALCIUM": 3.66,
  "N_TOTAL": 3.3,
  "OXYGENE": 9.56,
  "P_TOTAL": 0.497,
  "SULFATE": 69.45,
  "CHLORURE": 20.5,
  "OBJECTID": 1,
  "COURS_EAU": "Avril (Nant d') - 106",
  "MAGNESIUM": 0.95,
  "POTASSIUM": 3.52,
  "WORSTCASE": "Mauvais",
  "ALCALINITE": 3.59,
  "CODEMESURE": "R106K3850P0",
  "DECLASSANT": "P-PO4",
  "LIEN_FICHE": "https://ge.ch/sitg/geodata/SIEAU/QUALITE/FICHES_MONITORING/2020/R106K3850P0.pdf",
  "SATURATION": 88.37,
  "NOM_STATION": "Zimeysa",
  "CONDUCTIVITE": 537,
  "DISPLAY_FIELD": "Zimeysa / 2020",
  "NB_PRELEVEMENT": 11
}
Record 2PH: 8.02 · COD: 3.6
{
  "PH": 8.02,
  "COD": 3.6,
  "DBO": 3.308,
  "ANNEE": 2017,
  "N_NH4": 0.015,
  "N_NO2": 0.012,
  "N_NO3": 2.93,
  "P_PO4": 0.03,
  "SILICE": -99,
  "SODIUM": 9.164,
  "CALCIUM": 5.737,
  "N_TOTAL": 2.728,
  "OXYGENE": 10.457,
  "P_TOTAL": 0.038,
  "SULFATE": 13.46,
  "CHLORURE": 15.849,
  "OBJECTID": 2,
  "COURS_EAU": "Lion (Ruisseau Le ) - 810",
  "MAGNESIUM": 0.55,
  "POTASSIUM": 1.84350467,
  "WORSTCASE": "Bon",
  "ALCALINITE": 5.457,
  "CODEMESURE": "R810K204P0",
  "DECLASSANT": null,
  "LIEN_FICHE": "https://ge.ch/sitg/geodata/SIEAU/QUALITE/FICHES_MONITORING/2017/R810K204P0.pdf",
  "SATURATION": 91.138,
  "NOM_STATION": "Vésegnin (F-01)",
  "CONDUCTIVITE": 579.9,
  "DISPLAY_FIELD": "Vésegnin (F-01) / 2017",
  "NB_PRELEVEMENT": 12
}
Record 3PH: 8.01 · COD: 4.17
{
  "PH": 8.01,
  "COD": 4.17,
  "DBO": 1.62,
  "ANNEE": 1999,
  "N_NH4": 0.09,
  "N_NO2": 0.155,
  "N_NO3": 5.87,
  "P_PO4": 0.217,
  "SILICE": -99,
  "SODIUM": 13.44,
  "CALCIUM": 5.24,
  "N_TOTAL": -99,
  "OXYGENE": 12.06918,
  "P_TOTAL": 0.357,
  "SULFATE": 33.13,
  "CHLORURE": 27.56,
  "OBJECTID": 3,
  "COURS_EAU": "Gobé (Ruisseau Le ) - 140",
  "MAGNESIUM": 1.228,
  "POTASSIUM": 4.92,
  "WORSTCASE": "Mauvais",
  "ALCALINITE": -99,
  "CODEMESURE": "R140K96P0",
  "DECLASSANT": "P-PO4",
  "LIEN_FICHE": null,
  "SATURATION": 116.2,
  "NOM_STATION": "Vireloup",
  "CONDUCTIVITE": 632,
  "DISPLAY_FIELD": "Vireloup / 1999",
  "NB_PRELEVEMENT": 12
}

Live sample captured at profiling time — values may have changed upstream.

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Using the API

Configuration

Base URL
https://vector.sitg.ge.ch/arcgis/rest/services/LCE_HYB_DC_MAJEURS/MapServer

License

Terms stated by the source (not a recognized license):

© 2026 SITG

Query examples

curl -s 'https://vector.sitg.ge.ch/arcgis/rest/services/LCE_HYB_DC_MAJEURS/MapServer?f=json' -H 'Accept: application/json'

Service definition: the list of layers.

Full API documentation ↗

Dataset

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