Name: Aquifer Rating

Display Field: HydrogeologicSetting

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: GV maps describe each area aquifer’s relative vulnerability to groundwater contamination, with lower Index values indicating less vulnerable conditions and higher values indicating higher vulnerability. They are calculated by weighing and summing the 7 DRASTIC parameters (D – Depth to Water, R – Net Recharge, A - Aquifer Media, S – Soil Media, T – Topography, I – Impact of Vadose Zone Media, C – Hydraulic Conductivity) according to the following formula, where W is the parameter’s weight and R its rating: GV Index= WD•RD+ WR•RR+ WA•RA+ WS•RS+ WT•RT+ WI•RI+ WC•RC.

Service Item Id: b14d7be88be743258941801fa488367c

Copyright Text: C. B. Nelson, T. R. Valachovics, M. P. Angle, K. M. Hardin, T. A. Nash, P. N. Spahr, J. M. Raab, C. J. Coe

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 1000000

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 1310254.0297339708
YMin: 147091.96454113722
XMax: 2518331.6434295475
YMax: 1455186.635748148
Spatial Reference: 102723  (3735)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: AQRating
Field 2: N/A
Field 3: N/A
Field Delimiter: ,
Default Symbol:
N/A
Default Label: N/A
UniqueValueInfos:
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  Label: 0
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Transparency: 0
Labeling Info:

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• HydrogeologicSetting ( type: esriFieldTypeString, alias: Hydrogeologic Setting, length: 27 , Coded Values: [6Da: 6Da - Regolith over Bedded Sedimentary Rock (Unglaciated)] , [6Dc: 6Dc - Thick Loess over Bedded Sedimentary Rock (Unglaciated)] , [6E: 6E - Limestone (Unglaciated)] , ...37 more... )
• DepthToWater ( type: esriFieldTypeString, alias: Depth to Water (ft), length: 7 , Coded Values: [0-5: 0-5] , [5-15: 5-15] , [15-30: 15-30] , ...6 more... )
• Recharge ( type: esriFieldTypeString, alias: Net Recharge (in/yr), length: 4 , Coded Values: [0-2: 0-2] , [2-4: 2-4] , [4-7: 4-7] , ...3 more... )
• AquiferMedia ( type: esriFieldTypeString, alias: Aquifer Media, length: 35 , Coded Values: [Interbedded Sandstone and Shale: Interbedded Sandstone and Shale] , [Interbedded Sedimentary Rocks: Interbedded Sedimentary Rocks] , [Limestone: Limestone] , ...5 more... )
• AQRating ( type: esriFieldTypeSmallInteger, alias: Aquifer Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• SoilMedia ( type: esriFieldTypeString, alias: Soil Media, length: 40 , Coded Values: [Thin or Absent: Thin or Absent] , [Gravel: Gravel] , [Marl: Marl] , ...9 more... )
• Topography ( type: esriFieldTypeString, alias: Topography (% slope), length: 6 , Coded Values: [0-2: 0-2] , [2-6: 2-6] , [6-12: 6-12] , ...3 more... )
• VadoseMedia ( type: esriFieldTypeString, alias: Vadose Zone Media, length: 35 , Coded Values: [Alluvium: Alluvium] , [Interbedded Sandstone and Shale: Interbedded Sandstone and Shale] , [Interbedded Sedimentary Rocks: Interbedded Sedimentary Rocks] , ...9 more... )
• VADRating ( type: esriFieldTypeSmallInteger, alias: Vadose Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• HydraulicConductivity ( type: esriFieldTypeString, alias: Hydraulic Conductivity (ft/d), length: 10 , Coded Values: [<10: <10] , [10-50: 10-50] , [50-100: 50-100] , ...4 more... )
• DTWRating ( type: esriFieldTypeSmallInteger, alias: Depth to Water Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• RECRating ( type: esriFieldTypeSmallInteger, alias: Net Recharge Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• SORating ( type: esriFieldTypeSmallInteger, alias: Soil Media Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• TOPRating ( type: esriFieldTypeSmallInteger, alias: Topography Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• HydraulicConductivityGPD ( type: esriFieldTypeString, alias: Hydraulic Conductivity (gpd/ft2), length: 10 )
• HYCORating ( type: esriFieldTypeSmallInteger, alias: Hydraulic Conductivity Rating , Coded Values: [0: 0] , [1: 1] , [2: 2] , ...8 more... )
• GVIndex ( type: esriFieldTypeSmallInteger, alias: Groundwater Vulnerability Index )
• PestIndex ( type: esriFieldTypeSmallInteger, alias: Pesticide Vulnerability Index )
• Shape.STArea() ( type: esriFieldTypeDouble, alias: Shape.STArea() )
• Shape.STLength() ( type: esriFieldTypeDouble, alias: Shape.STLength() )
• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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