Name: Provisional Flash Flood Hazard Areas (TWDB 2024 Flood Quilt)

Display Field: County_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: FFRA_Grid: This unique identifier corresponds to a pixel in the associated shapefiles, and it is used to relate to the other tables within this relational database. County_Name: The county nameVisualization: Distinguishes the priority of concern by hazard and exposure. High hazard outdoor and building exposures are presented first, followed by moderate hazard outdoor and building exposures, then the remaining features of the 500-year floodplain. The high hazard building exposures are further identified by flood severity categories where available in Bexar, Travis, and Williamson counties.Include: Determines indexes that corresponds to features that meet the described inclusion criteria.Status: Provides the simplest dataset for viewing areas that meet the criteria. “Include” corresponds to features that meet the described inclusion criteria, “Removed” corresponds to features that were removed due to exclusion criteria, and “N/A” identifies corresponds to features that never met any of the inclusion criteria.Criteria: Describes the criteria met that warranted the status described in Status Field. Criteria (1-8) describe the hierarchy of inclusion criteria, criteria (9-10) then describe the exclusion or removal criteria, and criteria (11) is the remainder of the 500-year floodplain that would be considered “N/A” in the Status Field.Query: Query used to symbolize the dataset.

Service Item Id: 529a2117509d4bf5aa90881ea30d97fa

Copyright Text: This data was generated by AtkinsRéalis and WERC, using the Flood Quilt (2024) provided by Texas Water Development Board (TWDB) Regional Flood Planning Group (RFPG). Downloaded November 2025.

Default Visibility: true

Max Result Window: N/A

Max Record Count: 86516

Standard Max Record Count No Geometry: 32000

Max Record Count Factor: 1

Standard MaxRecord Count: 4000

Tile Max Record Count: 4000

MaxSelectionCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 320000.0

Max Scale: 624.0

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: -1.158862454044784E7
YMin: 3273814.2638855143
XMax: -1.0815261550067002E7
YMax: 3774665.589252359
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: Visualization
Field 2: N/A
Field 3: N/A
Field Delimiter: ;
Default Symbol:
N/A
Default Label: N/A
UniqueValueInfos:
• Value: Contains a Camp, Campground, and or RV Park
  Label: Contains a Camp, Campground, and or RV Park
  Description: Contains a Camp, Campground, and or RV Park
  Symbol:
  Style: esriSFSForwardDiagonal
  Color: [51, 51, 51, 255]
  Outline:
  Style: esriSLSSolid
  Color: [178, 178, 178, 255]
  Width: 0
• Value: Contains a Park
  Label: Contains a Park
  Description: Contains a Park
  Symbol:
  Style: esriSFSSolid
  Color: [115, 76, 0, 255]
  Outline:
  Style: esriSLSSolid
  Color: [178, 178, 178, 255]
  Width: 0
• Value: Moderate to High and Contains Buildings
  Label: Moderate to High and Contains Buildings
  Description: Moderate to High and Contains Buildings
  Symbol:
  Style: esriSFSSolid
  Color: [255, 128, 0, 255]
  Outline:
  Style: esriSLSSolid
  Color: [178, 178, 178, 255]
  Width: 0
• Value: 500 Year Floodplain
  Label: Low to Medium Risk
  Description: Low to Medium Risk
  Symbol:
  Style: esriSFSSolid
  Color: [204, 204, 204, 255]
  Outline:
  Style: esriSLSSolid
  Color: [178, 178, 178, 255]
  Width: 0
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 Result Pagination Token: false
Supports TrueCurve: true
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: false
Supports Query With LOD Spatial Reference: false
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: true
Supports Query With Cache Hint: false
Supports Query With Current User: true
Supports Query With Result Type: true

HasZ: true

HasM: false

Has Attachments: false

Has Last Edit Time: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: N/A

Fields:

• FFRA_Grid ( nullable: true, length: 100, alias: FFRA Grid, type: esriFieldTypeString )
• County_Name ( nullable: true, length: 20, alias: County Name, type: esriFieldTypeString )
• SUBBASIN ( nullable: true, length: 49, alias: Subbasin, type: esriFieldTypeString )
• Visualization ( nullable: true, length: 75, alias: Visualization, type: esriFieldTypeString )
• Shape.STArea() ( nullable: true, alias: SHAPE__Area, type: esriFieldTypeDouble )
• OBJECTID ( nullable: false, alias: OBJECTID, type: esriFieldTypeOID )
• Include ( nullable: true, alias: Include, type: esriFieldTypeInteger )
• Status ( nullable: true, length: 25, alias: Status, type: esriFieldTypeString )
• Query ( nullable: true, length: 150, alias: Query, type: esriFieldTypeString )
• Criteria ( nullable: true, length: 75, alias: Criteria, type: esriFieldTypeString )
• Shape ( nullable: true, alias: Shape, type: esriFieldTypeGeometry )
• Shape.STLength() ( nullable: true, alias: Shape.STLength(), type: esriFieldTypeDouble )

Relationships:

• Parks_Campgrounds (12) -- Related To: SB3 Flash Flood Risk Areas - Parks Campgrounds (13)
• Buildings_Pop_500yr (13) -- Related To: SB3 Flash Flood Risk Areas - Buildings Pop 500yr (3)
• Subbasins (14) -- Related To: SB3 Flash Flood Risk Areas - Subbasins (12)
• FFRA_Grid_Counties_Bridge (15) -- Related To: SB3 Flash Flood Risk Areas - FFRA Grid Counties Bridge (5)
• FFRA_Haz (16) -- Related To: SB3 Flash Flood Risk Areas - FFRA Haz (6)
• Median_DV_Urban_BLE (17) -- Related To: SB3 Flash Flood Risk Areas - Median DV Urban BLE (9)
• Hazard_Inputs (18) -- Related To: SB3 Flash Flood Risk Areas - Hazard Inputs (7)
• Hazard_Inputs_PreNorm (19) -- Related To: SB3 Flash Flood Risk Areas - Hazard Inputs PreNorm (8)
• Buildings_Pop (20) -- Related To: SB3 Flash Flood Risk Areas - Buildings Pop (2)
• FFRA_Grid (11) -- Related To: Flash Flood Hazard Analysis Grid (1 Kilometer) (0)
• NOAA_Sed (21) -- Related To: SB3 Flash Flood Risk Areas - NOAA Sed (11)
• NHD_Water (22) -- Related To: SB3 Flash Flood Risk Areas - NHD Water (10)

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

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