Name: Major_Reservoirs_2026

Display Field: DamName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Major reservoirs are those having original/ initial conservation capacity equal or greater than 5,000 ac-ft. This shapefile is made from the updated dataset from Comprehensive Reservoir [Database] Application of Texas Water Development Board (TWDB) in 2026.

Service Item Id: 2717f0c782bf469fb9917c5863cd0383

Copyright Text: Nelun Fernando, John Zhu, Josi Robertson, Holly Holmquist, Eric O'Brian

Default Visibility: true

Max Result Window: N/A

Max Record Count: 2000

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: 0.0

Max Scale: 0.0

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: -107.2144357247289
YMin: 25.980874897158856
XMax: -93.56353743450495
YMax: 36.36163061216308
Spatial Reference: 4269  (4269)

Drawing Info:

Renderer:
Simple Renderer:
Symbol:
Style: esriSFSSolid
Color: [0, 197, 255, 255]
Outline:
Style: esriSLSSolid
Color: [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 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: true

Has Attachments: false

Has Last Edit Time: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: N/A

Fields:

• OBJECTID ( nullable: false, alias: FID, type: esriFieldTypeOID )
• Shape ( nullable: true, alias: Shape, type: esriFieldTypeGeometry )
• DamName ( nullable: true, length: 254, alias: DamName, type: esriFieldTypeString )
• Ownerld ( nullable: true, length: 254, alias: Ownerld, type: esriFieldTypeString )
• Alias ( nullable: true, length: 254, alias: Alias, type: esriFieldTypeString )
• ShortName ( nullable: true, length: 254, alias: ShortName, type: esriFieldTypeString )
• OffChannel ( nullable: true, length: 254, alias: OffChannel, type: esriFieldTypeString )
• Cooling ( nullable: true, length: 254, alias: Cooling, type: esriFieldTypeString )
• Hydropower ( nullable: true, length: 254, alias: Hydropower, type: esriFieldTypeString )
• Industrial ( nullable: true, length: 254, alias: Industrial, type: esriFieldTypeString )
• Irrigation ( nullable: true, length: 254, alias: Irrigation, type: esriFieldTypeString )
• Mining ( nullable: true, length: 254, alias: Mining, type: esriFieldTypeString )
• Municipal ( nullable: true, length: 254, alias: Municipal, type: esriFieldTypeString )
• Other ( nullable: true, length: 254, alias: Other, type: esriFieldTypeString )
• Recreation ( nullable: true, length: 254, alias: Recreation, type: esriFieldTypeString )
• Centroid_L ( nullable: true, alias: Centroid_L, type: esriFieldTypeDouble )
• Centroid_1 ( nullable: true, alias: Centroid_1, type: esriFieldTypeDouble )
• FID_ ( nullable: true, alias: FID_, type: esriFieldTypeInteger )
• Reservoir_ ( nullable: true, length: 254, alias: Reservoir_, type: esriFieldTypeString )
• DamLatitud ( nullable: true, alias: DamLatitud, type: esriFieldTypeDouble )
• DamLongitu ( nullable: true, alias: DamLongitu, type: esriFieldTypeDouble )
• Original_C ( nullable: true, alias: Original_C, type: esriFieldTypeInteger )
• FloodContr ( nullable: true, length: 254, alias: FloodContr, type: esriFieldTypeString )
• Livestock_ ( nullable: true, length: 254, alias: Livestock_, type: esriFieldTypeString )
• water_qual ( nullable: true, length: 254, alias: water_qual, type: esriFieldTypeString )
• WatershedA ( nullable: true, alias: WatershedA, type: esriFieldTypeDouble )
• Shape_Leng ( nullable: true, alias: Shape_Leng, type: esriFieldTypeDouble )
• Inpoundmen ( nullable: true, length: 8, alias: Inpoundmen, type: esriFieldTypeDate )
• Shape.STArea() ( nullable: true, alias: Shape.STArea(), type: esriFieldTypeDouble )
• Shape.STLength() ( nullable: true, alias: Shape.STLength(), type: esriFieldTypeDouble )

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

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