View In:   ArcGIS Online Map Viewer

Name: Hexavalent Chromium

Display Field: name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This layer contains water quality risk by section for hexavalent chromium only (from the 2026 Aquifer Risk Map).

Service Item Id: ca77eb82286842cca94a5ce79839b338

Copyright Text: Source water quality data is from the GAMA Groundwater Information System.

Default Visibility: false

MaxRecordCount: 200000

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: -1.38492129099E7
YMin: 3833637.1664000005
XMax: -1.27050574244E7
YMax: 5162400.701499999
Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

Drawing Info:

Renderer:
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Field 2: N/A
Field 3: N/A
Field Delimiter: ,
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Default Label: N/A
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Labeling Info:

Feature Draw Order:

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Advanced Query Capabilities:

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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: wqr

Fields:

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• name ( modelName: name, nullable: true, editable: true, defaultValue: null, length: 80, alias: County, type: esriFieldTypeString )
• namelsa ( modelName: namelsa, nullable: true, editable: true, defaultValue: null, length: 80, alias: County Name, type: esriFieldTypeString )
• mtrs ( modelName: mtrs, nullable: true, editable: true, defaultValue: null, length: 80, alias: MTRS (Section ID), type: esriFieldTypeString )
• gsa_id ( modelName: gsa_id, nullable: true, editable: true, defaultValue: null, alias: Groundwater Sustainability Agency ID, type: esriFieldTypeDouble )
• gsa_nam ( modelName: gsa_nam, nullable: true, editable: true, defaultValue: null, length: 80, alias: Groundwater Sustainability Agency Name, type: esriFieldTypeString )
• gsp_id ( modelName: gsp_id, nullable: true, editable: true, defaultValue: null, alias: Groundwater Sustainability Plan ID, type: esriFieldTypeDouble )
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• gm_chm_ ( modelName: gm_chm_, nullable: true, editable: true, defaultValue: null, length: 80, alias: Contaminant Code, type: esriFieldTypeString )
• secdet ( modelName: secdet, nullable: true, editable: true, defaultValue: null, alias: 20-year average (Comparison Concentration Index), type: esriFieldTypeDouble )
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• re_clos ( modelName: re_clos, nullable: true, editable: true, defaultValue: null, alias: Count of results within the last 5 years that were between 80% - 100% of comparison concentration, type: esriFieldTypeDouble )
• re_over ( modelName: re_over, nullable: true, editable: true, defaultValue: null, alias: Count of results within the last 5 years that were over the comparison concentration, type: esriFieldTypeDouble )
• r_vg_vr ( modelName: r_vg_vr, nullable: true, editable: true, defaultValue: null, alias: Average magnitude of results within last 5 years above comparison concentration (Comparison Concentration Index), type: esriFieldTypeDouble )
• method ( modelName: method, nullable: true, editable: true, defaultValue: null, length: 80, alias: Method of risk estimate (source/neighbor), type: esriFieldTypeString )
• avg_mcl ( modelName: avg_mcl, nullable: true, editable: true, defaultValue: null, alias: Average magnitude of results above comparison concentration for average and recent results (Comparison Concentration Index), type: esriFieldTypeDouble )
• wqr ( modelName: wqr, nullable: true, editable: true, defaultValue: null, length: 80, alias: 2026 Water Quality Risk, type: esriFieldTypeString )
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• SHAPE__Area ( virtual: true, nullable: true, editable: false, defaultValue: null, alias: SHAPE__Area, type: esriFieldTypeDouble )
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---

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---

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---

Capabilities: Query,Create,Update,Delete,Editing,Sync,Extract,Uploads

Sync Can Return Changes: true

Is Data Versioned: false

Supports Rollback On Failure: true

Supports ApplyEdits With Global Ids: true

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   Apply Edits   Add Features   Update Features   Delete Features   Calculate   Append   Validate SQL   Generate Renderer   Return Updates   Metadata   Update Metadata