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Wastewater drainage network - Sub-catchmentsRéseau d'assainissement des eaux - Sous bassins versant

Réseau d'assainissement des eaux - Sous bassins versantWastewater drainage network - Sub-catchments

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This API from the Système d'information du territoire genevois (Geneva territorial information system) provides geographic data on sub-catchment basins within the wastewater drainage network of the canton of Geneva, Switzerland. A catchment basin is an area of land whose waters flow to a common outlet; when subdivided into smaller units, these are called sub-catchments. In urban hydrology, such units are used to describe how runoff water is collected and channeled before being discharged into the sewage network, supporting analysis and management of drainage infrastructure at the local level.Un bassin versant est une portion de territoire dont les eaux ont un exutoire commun. Lorsqu'un bassin versant est subdivisé en de plus petites unités, on parle de sous bassin versant. En hydrologie urbaine, un bassin ou sous bassin versant, avant de voir ses eaux de ruissellement au final déversée…

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51
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Data schema (32 fields)

Click a field to see example values.

FieldTypeDescription
OBJECTIDoidInternal unique record identifier.Internal unique record identifier.
ID_OBJET_UNIQUEId objet uniquestringUnique identifier of the sub-catchment object.Unique identifier of the sub-catchment object.
COMMUNECommunestringName of the municipality where the sub-catchment is located.Name of the municipality where the sub-catchment is located.
CONTENUstringType of water conveyed, e.g. wastewater or stormwater.Type of water conveyed, e.g. wastewater or stormwater.
RESEAUstringSewer network hierarchy level, e.g. primary or secondary.Sewer network hierarchy level, e.g. primary or secondary.
ORIGINE_POSITIONOrigine positionstringAccuracy or origin of the geographic position, e.g. approximate.Accuracy or origin of the geographic position, e.g. approximate.
ETAT_SOUS_BASSINEtat sous bassinstringCurrent status of the sub-catchment.Current status of the sub-catchment.
SYS_EVACUATION_EAUSys evacuation eaustringCurrent water evacuation system type, e.g. separate or combined.Current water evacuation system type, e.g. separate or combined.
SYS_EVACUATION_EAU_FUTURSys evacuation eau futurstringPlanned future water evacuation system type.Planned future water evacuation system type.
PENTE_MOYENNEPente moyennedoubleAverage slope of the sub-catchment.Average slope of the sub-catchment.
COEFF_RUISSEL_ACTUELCoeff ruissel actueldoubleCurrent runoff coefficient of the sub-catchment.Current runoff coefficient of the sub-catchment.
COEFF_RUISSEL_SATURATIONCoeff ruissel saturationdoubleRunoff coefficient at full development saturation.Runoff coefficient at full development saturation.
TAUX_IMPERM_ACTUELTaux imperm actueldoubleCurrent impervious surface ratio of the sub-catchment.Current impervious surface ratio of the sub-catchment.
TAUX_IMPERM_SATURATIONTaux imperm saturationdoubleImpervious surface ratio at full development saturation.Impervious surface ratio at full development saturation.
NB_EH_DOM_ACTUELNb eh dom actuelintegerCurrent number of domestic population equivalents.Current number of domestic population equivalents.
NB_EH_DOM_SATURATIONNb eh dom saturationintegerNumber of domestic population equivalents at saturation.Number of domestic population equivalents at saturation.
NB_EH_IND_ACTUELNb eh ind actuelintegerCurrent number of industrial population equivalents.Current number of industrial population equivalents.
NB_EH_IND_SATURATIONNb eh ind saturationintegerNumber of industrial population equivalents at saturation.Number of industrial population equivalents at saturation.
GESTION_EP_NECESSAIREGestion ep necessairestringIndicates whether stormwater management is required.Indicates whether stormwater management is required.
DEBIT_TEMPS_SECDebit temps secdoubleDry-weather flow rate of the sub-catchment.Dry-weather flow rate of the sub-catchment.
DEBIT_SORTIE_T_2ANSDebit sortie t 2 ansdoubleOutlet flow rate for a 2-year return period event.Outlet flow rate for a 2-year return period event.
DEBIT_SORTIE_T_5ANSDebit sortie t 5 ansdoubleOutlet flow rate for a 5-year return period event.Outlet flow rate for a 5-year return period event.
DEBIT_SORTIE_T_10ANSDebit sortie t 10 ansdoubleOutlet flow rate for a 10-year return period event.Outlet flow rate for a 10-year return period event.
DEBIT_SORTIE_T_2ANS_SATDebit sortie t 2 ans satdoubleOutlet flow rate for a 2-year event at saturation.Outlet flow rate for a 2-year event at saturation.
DEBIT_SORTIE_T_5ANS_SATDebit sortie t 5 ans satdoubleOutlet flow rate for a 5-year event at saturation.Outlet flow rate for a 5-year event at saturation.
DEBIT_SORTIE_T_10ANS_SATDebit sortie t 10 ans satdoubleOutlet flow rate for a 10-year event at saturation.Outlet flow rate for a 10-year event at saturation.
DATE_ACQUISITIONDate acquisitiondateDate the data was originally acquired.Date the data was originally acquired.
DATE_MAJDate majdateDate the record was last updated.Date the record was last updated.
GESTIONNAIREstringEntity responsible for managing the sub-catchment.Entity responsible for managing the sub-catchment.
NO_COLLECTEURNo collecteurstringIdentifier of the associated collector sewer.Identifier of the associated collector sewer.
Shape__AreadoubleArea of the sub-catchment polygon.Area of the sub-catchment polygon.
Shape__LengthSHAPE.LENdoublePerimeter length of the sub-catchment polygon.Perimeter length of the sub-catchment polygon.

Schema captured from arcgis 1 month ago.

Query the data

Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.

=

Sample data (3 records)

Record 1RESEAU: Secondaire · COMMUNE: Meyrin
{
  "RESEAU": "Secondaire",
  "COMMUNE": "Meyrin",
  "CONTENU": "Eaux usées",
  "DATE_MAJ": 1498435200000,
  "OBJECTID": 1,
  "Shape__Area": 103561.62123973,
  "GESTIONNAIRE": null,
  "NO_COLLECTEUR": "02634661264814218751",
  "PENTE_MOYENNE": null,
  "Shape__Length": 2424.96763030198,
  "DEBIT_TEMPS_SEC": null,
  "ID_OBJET_UNIQUE": "24636340836951696588",
  "DATE_ACQUISITION": null,
  "ETAT_SOUS_BASSIN": null,
  "NB_EH_DOM_ACTUEL": null,
  "NB_EH_IND_ACTUEL": null,
  "ORIGINE_POSITION": "Approximatif",
  "SYS_EVACUATION_EAU": "Séparatif",
  "TAUX_IMPERM_ACTUEL": null,
  "DEBIT_SORTIE_T_2ANS": null,
  "DEBIT_SORTIE_T_5ANS": null,
  "COEFF_RUISSEL_ACTUEL": null,
  "DEBIT_SORTIE_T_10ANS": null,
  "NB_EH_DOM_SATURATION": null,
  "NB_EH_IND_SATURATION": null,
  "GESTION_EP_NECESSAIRE": null,
  "TAUX_IMPERM_SATURATION": null,
  "DEBIT_SORTIE_T_2ANS_SAT": null,
  "DEBIT_SORTIE_T_5ANS_SAT": null,
  "COEFF_RUISSEL_SATURATION": null,
  "DEBIT_SORTIE_T_10ANS_SAT": null,
  "SYS_EVACUATION_EAU_FUTUR": "Séparatif"
}
Record 2RESEAU: Secondaire · COMMUNE: Meyrin
{
  "RESEAU": "Secondaire",
  "COMMUNE": "Meyrin",
  "CONTENU": "Eaux usées",
  "DATE_MAJ": 1498435200000,
  "OBJECTID": 2,
  "Shape__Area": 45461.74903887,
  "GESTIONNAIRE": null,
  "NO_COLLECTEUR": "02634661264814218751",
  "PENTE_MOYENNE": null,
  "Shape__Length": 1078.5880246928,
  "DEBIT_TEMPS_SEC": null,
  "ID_OBJET_UNIQUE": "24636340860253164701",
  "DATE_ACQUISITION": null,
  "ETAT_SOUS_BASSIN": null,
  "NB_EH_DOM_ACTUEL": null,
  "NB_EH_IND_ACTUEL": null,
  "ORIGINE_POSITION": "Approximatif",
  "SYS_EVACUATION_EAU": "Séparatif",
  "TAUX_IMPERM_ACTUEL": null,
  "DEBIT_SORTIE_T_2ANS": null,
  "DEBIT_SORTIE_T_5ANS": null,
  "COEFF_RUISSEL_ACTUEL": null,
  "DEBIT_SORTIE_T_10ANS": null,
  "NB_EH_DOM_SATURATION": null,
  "NB_EH_IND_SATURATION": null,
  "GESTION_EP_NECESSAIRE": null,
  "TAUX_IMPERM_SATURATION": null,
  "DEBIT_SORTIE_T_2ANS_SAT": null,
  "DEBIT_SORTIE_T_5ANS_SAT": null,
  "COEFF_RUISSEL_SATURATION": null,
  "DEBIT_SORTIE_T_10ANS_SAT": null,
  "SYS_EVACUATION_EAU_FUTUR": "Séparatif"
}
Record 3RESEAU: Secondaire · COMMUNE: Meyrin
{
  "RESEAU": "Secondaire",
  "COMMUNE": "Meyrin",
  "CONTENU": "Eaux usées",
  "DATE_MAJ": 1498435200000,
  "OBJECTID": 3,
  "Shape__Area": 104418.943916085,
  "GESTIONNAIRE": null,
  "NO_COLLECTEUR": "75260330037241",
  "PENTE_MOYENNE": null,
  "Shape__Length": 1318.11241499809,
  "DEBIT_TEMPS_SEC": null,
  "ID_OBJET_UNIQUE": "24636340889954519213",
  "DATE_ACQUISITION": null,
  "ETAT_SOUS_BASSIN": null,
  "NB_EH_DOM_ACTUEL": null,
  "NB_EH_IND_ACTUEL": null,
  "ORIGINE_POSITION": "Approximatif",
  "SYS_EVACUATION_EAU": "Séparatif",
  "TAUX_IMPERM_ACTUEL": null,
  "DEBIT_SORTIE_T_2ANS": null,
  "DEBIT_SORTIE_T_5ANS": null,
  "COEFF_RUISSEL_ACTUEL": null,
  "DEBIT_SORTIE_T_10ANS": null,
  "NB_EH_DOM_SATURATION": null,
  "NB_EH_IND_SATURATION": null,
  "GESTION_EP_NECESSAIRE": null,
  "TAUX_IMPERM_SATURATION": null,
  "DEBIT_SORTIE_T_2ANS_SAT": null,
  "DEBIT_SORTIE_T_5ANS_SAT": null,
  "COEFF_RUISSEL_SATURATION": null,
  "DEBIT_SORTIE_T_10ANS_SAT": null,
  "SYS_EVACUATION_EAU_FUTUR": "Séparatif"
}

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

Verification Status

Using the API

Configuration

Base URL
https://vector.sitg.ge.ch/arcgis/rest/services/RAE_SOUS_BASSIN_VERSANT/FeatureServer

License

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

© 2026 SITG

Query examples

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

Service definition: the list of layers.

Full API documentation ↗

Dataset

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Datasets
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