Name: i19_Stormwater_Capture_Master_Plan_LosAngelesDWP_Geophysical_Polys

Display Field: TOOLTIP

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The feature dataset contains geophysical properties to analyze where obstacles to infiltration exist and where infiltration would be most desirable. Such properties include areas of mapped landslides or liquefaction potential, depth to groundwater, slope, hydrologic soil group, and geology (pervious or impervious). An aquifer classification system was also developed to guide prioritization. Each aquifer underlying Los Angeles was classified according to the ability of LADWP to pump the aquifer for use in LADWP’s distribution network. Each sub-basin in the LADWP model was assigned a Category A (High), B (Medium), or C (Low) depending on its combination of geophysical obstacles and opportunities and aquifer class. Areas categorized as “A” or “High” were those having the fewest hydrogeologic constraints (i.e. few obstacles to infiltration, highly infiltrative soils, permeable aquifers) and were overlying the highest priority aquifers. These would be most conducive to infiltration BMPs. Category “B” or “Medium” areas were somewhat geologically constrained and overlying mid-level priority aquifers. These areas were also considered suitable for infiltration BMPs. Category “C” or “Low” areas contain obstacles to infiltration and/or were overlying low-priority aquifers, making them more conducive to direct use BMPs.

Copyright Text:

Default Visibility: true

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

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: -1.3210081765700001E7
YMin: 3989215.9998999983
XMax: -1.31529956563E7
YMax: 4074185.156300001
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: Geophysical_Category
Field 2: N/A
Field 3: N/A
Field Delimiter: ,
Default Symbol:
N/A
Default Label: N/A
UniqueValueInfos:
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  Label: High
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  Outline:
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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

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• TOOLTIP ( type: esriFieldTypeString, alias: TOOLTIP, length: 80 )
• Comments ( type: esriFieldTypeString, alias: Comments, length: 300 )
• Source ( type: esriFieldTypeString, alias: Source, length: 100 )
• LAST_MODIFIED_DATE ( type: esriFieldTypeDate, alias: LAST_MODIFIED_DATE, length: 8 )
• MODIFIED_BY ( type: esriFieldTypeString, alias: MODIFIED_BY, length: 50 )
• DATE_DATA_REFERS_TO ( type: esriFieldTypeDate, alias: DATE_DATA_REFERS_TO, length: 8 )
• Geophysical_Category ( type: esriFieldTypeString, alias: Geophysical_Category, length: 50 )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• Shape.STArea() ( type: esriFieldTypeDouble, alias: Shape.STArea() )
• Shape.STLength() ( type: esriFieldTypeDouble, alias: Shape.STLength() )
• GlobalID ( type: esriFieldTypeGlobalID, alias: GlobalID, length: 38 )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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