Name: Nitrogen Impairments

Display Field: IR2014_Impoundments_Basin_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This layer provides the polygonal areas for all impoundments in the state of Maryland for nitrogen assessments from the 2014 Integrated Report. Assessment information includes all assessments captured within Maryland's 2014 Integrated Report and are generally displayed according to Categories: impaired and require a TMDL (Category 5), impaired and have a TMDL approved by the Environmental Protection Agency (EPA) (Category 4a), impaired but have exemptions from needing a TMDL (Categories 4b-4c), insufficient data is available to determine if water is meeting all standards (Category 3), are meeting some standards (Category 2), and waters that are meeting all standards (Category 1).

Copyright Text: The Maryland Department of the Environment (MDE) acknowledges the U.S. Geological Survey (USGS) which created the National Hydrography Dataset (NHD). The NHD serves as the derivedpolygonal areas for this file and was used to geospatially describe most of Maryland's impoundments; however, MDE had to manually create the boundaries for some impoundments due to the inaccuracies within the NHD. The Maryland Department of the Environment Science Services Administration linked the Integrated Report assessment information to the NHD and then preserved this pollutant-specific layer.

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: 346607.7452000007
YMin: 207685.49650000036
XMax: 347056.137500003
YMax: 208316.60649999976
Spatial Reference: 26985  (26985)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: IR2014_Impoundments_IR_Listing_
Field 2: N/A
Field 3: N/A
Field Delimiter: ,
Default Symbol:
N/A
Default Label: N/A
UniqueValueInfos:
• Value: 2
  Label: 2-Meets Water Quality Criterion
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [76, 230, 0, 255]
  Outline:
  Style: esriSLSSolid
  Color: [110, 110, 110, 255]
  Width: 0
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
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: false
Supports Query With Current User: true

HasZ: true

HasM: true

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• SHAPE ( type: esriFieldTypeGeometry, alias: Impoundments_2014.Shape )
• Impoundments_2014_ComID ( type: esriFieldTypeInteger, alias: Impoundments_2014.ComID )
• IR2014_Impoundments_ID ( type: esriFieldTypeDouble, alias: IR2014_Impoundments.ID )
• IR2014_Impoundments_IRCycle_Fir ( type: esriFieldTypeString, alias: Year First Listed, length: 255 )
• IR2014_Impoundments_Assessment_ ( type: esriFieldTypeString, alias: Assessment Unit ID, length: 255 )
• IR2014_Impoundments_Basin_Name ( type: esriFieldTypeString, alias: Basin Name, length: 255 )
• IR2014_Impoundments_HUC ( type: esriFieldTypeString, alias: HUC, length: 255 )
• IR2014_Impoundments_Basin_Code ( type: esriFieldTypeString, alias: Basin Code, length: 255 )
• IR2014_Impoundments_Water_Type ( type: esriFieldTypeString, alias: General Water Type, length: 255 )
• IR2014_Impoundments_Detailed_Wa ( type: esriFieldTypeString, alias: Detailed Water Type, length: 255 )
• IR2014_Impoundments_Size_of_Ass ( type: esriFieldTypeDouble, alias: Assessment Unit Size )
• IR2014_Impoundments_Size_Units ( type: esriFieldTypeString, alias: Size Units, length: 255 )
• IR2014_Impoundments_Designated_ ( type: esriFieldTypeString, alias: Designated Use Assessed, length: 255 )
• IR2014_Impoundments_IR_Listing_ ( type: esriFieldTypeString, alias: Listing Category, length: 255 )
• IR2014_Impoundments_Cause_or_Po ( type: esriFieldTypeString, alias: Pollutant, length: 255 )
• IR2014_Impoundments_Predominant ( type: esriFieldTypeString, alias: Predominant Source of Pollutant, length: 255 )
• IR2014_Impoundments_Action ( type: esriFieldTypeString, alias: Action, length: 255 )
• IR2014_Impoundments_Year_of_Act ( type: esriFieldTypeString, alias: Year of Action, length: 255 )
• IR2014_Impoundments_Notes ( type: esriFieldTypeString, alias: Notes, length: 255 )
• IR2014_Impoundments_Date_of_TMD ( type: esriFieldTypeDate, alias: Date of TMDL or WQA Approval, length: 8 )
• IR2014_Impoundments_Link_to_TMD ( type: esriFieldTypeString, alias: Link to TMDL or WQA, length: 255 )
• SHAPE_Length ( type: esriFieldTypeDouble, alias: SHAPE_Length )
• SHAPE_Area ( type: esriFieldTypeDouble, alias: SHAPE_Area )
• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )

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

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