View In:   ArcGIS Online Map Viewer

Name: GAMA GIS Wells - Selected Chemical Available

Display Field: gm_county_name

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: GAMA GIS Wells with data fulfilling criteria for Aquifer Recharge and Groundwater Quality (ARGQ) Dashboard, displaying chemicals with sufficient data for each well. Last accessed October 28, 2026. Updated semi-annually. Data accessed from GAMA GIS via R script. For information about R script, please reach out to GAMA@waterboards.ca.gov

Service Item Id: 8c5d174bcf6d4a26a3568860afc14f59

Copyright Text: For questions, please reach out to GAMA@waterboards.ca.gov

Default Visibility: true

MaxRecordCount: 400000

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: -1.38349675439E7
YMin: 3839397.1296999976
XMax: -1.2705270189399999E7
YMax: 5156289.612800002
Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

Drawing Info:

Renderer:
Simple Renderer:
Symbol:
Style: esriSMSCircle
Color: [255, 170, 0, 255]
Size: 6.0
Angle: 0.0
XOffset: 0
YOffset: 0
Outline:
[0, 0, 0, 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: false
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 )
• gm_county_name ( modelName: gm_county_name, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_county_name, type: esriFieldTypeString )
• gm_dataset_name ( modelName: gm_dataset_name, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_dataset_name, type: esriFieldTypeString )
• gm_well_category ( modelName: gm_well_category, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_well_category, type: esriFieldTypeString )
• gm_data_source ( modelName: gm_data_source, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_data_source, type: esriFieldTypeString )
• gm_well_id ( modelName: gm_well_id, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_well_id, type: esriFieldTypeString )
• gm_chemical_vvl ( modelName: gm_chemical_vvl, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_chemical_vvl, type: esriFieldTypeString )
• gm_chemical_name ( modelName: gm_chemical_name, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_chemical_name, type: esriFieldTypeString )
• gm_latitude ( modelName: gm_latitude, nullable: true, editable: true, defaultValue: null, alias: gm_latitude, type: esriFieldTypeDouble )
• gm_longitude ( modelName: gm_longitude, nullable: true, editable: true, defaultValue: null, alias: gm_longitude, type: esriFieldTypeDouble )
• gm_well_depth_ft ( modelName: gm_well_depth_ft, nullable: true, editable: true, defaultValue: null, length: 8000, alias: gm_well_depth_ft, type: esriFieldTypeString )
• gm_top_depth_of_screen_ft ( modelName: gm_top_depth_of_screen_ft, nullable: true, editable: true, defaultValue: null, alias: gm_top_depth_of_screen_ft, type: esriFieldTypeInteger )
• gm_bottom_depth_of_screen_ft ( modelName: gm_bottom_depth_of_screen_ft, nullable: true, editable: true, defaultValue: null, alias: gm_bottom_depth_of_screen_ft, type: esriFieldTypeInteger )
• join_count ( modelName: join_count, nullable: true, editable: true, defaultValue: null, alias: Join_Count, type: esriFieldTypeInteger )
• station_id ( modelName: station_id, nullable: true, editable: true, defaultValue: null, length: 8000, alias: STATION_ID, type: esriFieldTypeString )

Templates:

• Name: GAMA GIS Wells - Selected Chemical Available
  Description:
  Prototype:
  gm_chemical_name: null
  gm_well_depth_ft: null
  station_id: null
  gm_data_source: null
  gm_chemical_vvl: null
  gm_well_category: null
  gm_well_id: null
  gm_bottom_depth_of_screen_ft: null
  gm_county_name: null
  join_count: null
  gm_latitude: null
  gm_longitude: null
  gm_top_depth_of_screen_ft: null
  gm_dataset_name: null
  
  Drawing Tool: esriFeatureEditToolPoint

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