Name: Rivers and Streams

Display Field: GNIS_Name

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: The Rivers and Streams feature class is a geospatial representation of linear bodies of water (e.g. rivers, streams, etc.) within Maryland's borders. This update to the feature class does not include artificial paths through impoundments, tidal waters, or tidal coastlines. The Rivers and Streams feature class uses the high resolution NHDPlusV2 (1:24,000 scale) produced by the United States Geological Survey (USGS). This particular file provides the Maryland use class assigned to each linear body of water as specified in Code of Maryland Regulations (COMAR) 26.08.02.08. The dataset is intended to be used in conjunction with the information found in the regulation. By linking Maryland stream use classifications with the NHDPlusV2 through the permanent identifier code, the information contained in this dataset can be analyzed using software tools ranging from spreadsheets to geographic information systems (GIS) to aid in regulatory decision making. Basing the Maryland use class dataset upon a national stream dataset like the NHDPlusV2 facilitates the sharing of geospatial information with other organizations that can be integrated into many different types of applications.This feature class provides the use class (UC) designation as determined by MDE, the regulatory agency responsible for assigning UCs, and is derived directly from the State of Maryland's stream segment designations as described in the Code of Maryland Regulations (COMAR) 26.08.02.08. Specific UCs identified within this feature class include Use I, Water Contact Recreation, and Protection of Nontidal Warmwater Aquatic Life; Use II, Support of Estuarine and Marine Aquatic Life and Shellfish Harvesting; Use III, Nontidal Cold Water; Use IV, Recreational Trout Waters, and all Public Water Supply uses (I-P, III-P, IV-P).

Definition Expression: N/A

Copyright Text: MDE’s Water and Science Administration would like to acknowledge the USGS for their 1:24,000 scale National Hydrography Dataset Plus version 2 which was used during the development of this line file.

Default Visibility: true

MaxRecordCount: 100000

Supported Query Formats: JSON, AMF, geoJSON

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

Extent:

XMin: -8848440.6486
YMin: 4567402.414999999
XMax: -8355505.814099999
YMax: 4825774.681699999
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: Des_Use
Field 2: null
Field 3: null
Field Delimiter: ,
Default Symbol:
N/A
Default Label: null
UniqueValueInfos:
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  Label: I
  Description:
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  Width: 1
• Value: I-P
  Label: I-P
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• Value: II
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  Description:
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  Width: 1
• Value: II-P
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  Description:
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  Width: 1
• Value: III
  Label: III
  Description:
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  Width: 1
• Value: III-P
  Label: III-P
  Description:
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  Width: 1
• Value: IV
  Label: IV
  Description:
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• Value: IV-P
  Label: IV-P
  Description:
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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

HasZ: true

HasM: true

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID , alias: OBJECTID )
• Permanent_ ( type: esriFieldTypeString , alias: Permanent_ , length: 40 )
• FDate ( type: esriFieldTypeDate , alias: FDate , length: 8 )
• GNIS_ID ( type: esriFieldTypeString , alias: GNIS_ID , length: 10 )
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Supported Operations:   Query   Generate Renderer   Return Updates