View In:   ArcGIS Online Map Viewer

Name: Precipitation - Assigned Polygons - CDEC

Display Field: station_name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Layer displaying spatial polygons attributed to precipitation stations, used for the Atmospheric River Groundwater Recharge Water Quality Dashboard. Data obtained from California Data Exchange Center, last accessed February 23, 2026. Spatial polygons were created via Thiessen Polygons. Precipitation data obtained from CDEC, all stations with data for at least 95% of requested timeframe.

Service Item Id: 9a5094b518534697bf503c3517f1e4e6

Copyright Text: Data hosted by CDEC, for questions about data, please refer to the link in the description. For questions or comments about the layer, please contact GAMA@waterboards.ca.gov

Default Visibility: false

MaxRecordCount: 2000

MaxSelectionCount: 0

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Extent:

XMin: -1.38492368429E7
YMin: 3833655.2316000015
XMax: -1.2704980496199999E7
YMax: 5162402.459600002
Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

Drawing Info:

Renderer:
Simple Renderer:
Symbol:
Style: esriSFSSolid
Color: [199, 251, 252, 0]
Outline:
Style: esriSLSSolid
Color: [110, 110, 110, 255]
Width: 0
Label: N/A
Description: N/A
Transparency: 0
Labeling Info:

Feature Draw Order:

N/A

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: false
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: true
Supports Returning Geometry Centroid: true
Supports Binning LOD: true
Supports Query With LOD Spatial Reference: true
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: false
Supports Sql Format: false
Supports Query Analytic: true
Supports Query With Current User: true

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

Fields:

• objectid ( nullable: false, defaultValue: null, editable: false, length: 4, type: esriFieldTypeOID, modelName: objectid, alias: OBJECTID )
• input_fid ( modelName: input_fid, nullable: true, editable: true, defaultValue: null, alias: Input_FID, type: esriFieldTypeInteger )
• station_id ( modelName: station_id, nullable: true, editable: true, defaultValue: null, length: 8000, alias: STATION_ID, type: esriFieldTypeString )
• duration ( modelName: duration, nullable: true, editable: true, defaultValue: null, length: 8000, alias: DURATION, type: esriFieldTypeString )
• sensor_number ( modelName: sensor_number, nullable: true, editable: true, defaultValue: null, alias: SENSOR_NUMBER, type: esriFieldTypeInteger )
• sens_type ( modelName: sens_type, nullable: true, editable: true, defaultValue: null, length: 8000, alias: SENS_TYPE, type: esriFieldTypeString )
• station_lat ( modelName: station_lat, nullable: true, editable: true, defaultValue: null, alias: Station_Lat, type: esriFieldTypeDouble )
• station_long ( modelName: station_long, nullable: true, editable: true, defaultValue: null, alias: Station_Long, type: esriFieldTypeDouble )
• station_name ( modelName: station_name, nullable: true, editable: true, defaultValue: null, length: 8000, alias: Station_Name, type: esriFieldTypeString )
• river_basin ( modelName: river_basin, nullable: true, editable: true, defaultValue: null, length: 8000, alias: River Basin, type: esriFieldTypeString )
• county ( modelName: county, nullable: true, editable: true, defaultValue: null, length: 8000, alias: County, type: esriFieldTypeString )
• elevationfeet ( modelName: elevationfeet, nullable: true, editable: true, defaultValue: null, alias: ElevationFeet, type: esriFieldTypeInteger )
• operator ( modelName: operator, nullable: true, editable: true, defaultValue: null, length: 8000, alias: Operator, type: esriFieldTypeString )
• SHAPE__Length ( virtual: true, nullable: true, editable: false, defaultValue: null, alias: SHAPE__Length, type: esriFieldTypeDouble )
• SHAPE__Area ( virtual: true, nullable: true, editable: false, defaultValue: null, alias: SHAPE__Area, type: esriFieldTypeDouble )

Templates:

• Name: Precipitation - Assigned Polygons - CDEC
  Description:
  Prototype:
  duration: null
  station_name: null
  sensor_number: null
  station_long: null
  sens_type: null
  station_id: null
  river_basin: null
  county: null
  station_lat: null
  operator: null
  elevationfeet: null
  input_fid: null
  
  Drawing Tool: esriFeatureEditToolPolygon

Capabilities: Query

Sync Can Return Changes: true

Is Data Versioned: false

Supports Rollback On Failure: true

Supports ApplyEdits With Global Ids: false

Supports ApplyEdits By Upload Id: true

Supports Query With Historic Moment: false

Supports Coordinates Quantization: true

Child Resources:

Supported Operations:   Query   Query Attachments   Query Analytic   Query Top Features   Query Bins   Append   Validate SQL   Generate Renderer   Return Updates   Metadata   Update Metadata