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Layer: Dams_National_Inventory (ID: 5)

View In:   ArcGIS Online Map Viewer

Parent Layer: Dams

Name: Dams_National_Inventory

Display Field: DAM_NAME

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: U.S. Army Corps of Engineers National Inventory of Dams (NID). A dam is included in the National Inventory of Dams if: (1) it is a High or Significant hazard potential class dam or, (2) it is a Low Hazard potential class dam that exceeds 25 feet in height AND 15 acre-feet storage or, 3) it is a Low Hazard potential class dam that exceeds 50 acre-feet storage AND 6 feet height. For definitions of hazard, height and storage, please see the data dictionary. In 1986 Congress enacted the Water Resources Development Act (P.L 99-662). This legislation authorized the U.S. Army Corps of Engineers (USACE) to maintain and periodically update the National Inventory of Dams, and appropriated funds for that purpose. This GIS coverage was created by extracting dams from the 75,187 dams cataloged in the U.S. Army Corps of Engineers National Inventory of Dams. NID coverage currentness is October 2000.The coordinate system is UTM Zone 17 (NAD 83). It was downloaded from the West Virginia GIS Technical Center Data Clearing House in July 2011 by the WVDOH GTI Section.

Service Item Id: ed1a06d0d6724ed1b07a9f7c80d61403

Copyright Text: U.S. Army Corps of Engineers, West Virginia GIS Technical Center

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Effective Min Scale: 6000000

Effective Max Scale: 1128.497176

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

Fields: Templates:
Capabilities: Query

Sync Can Return Changes: false

Is Data Versioned: false

Supports Rollback On Failure: true

Supports ApplyEdits With Global Ids: false

Supports Query With Historic Moment: false

Supports Coordinates Quantization: true

Supported Operations:   Query   Query Attachments   Calculate   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata