Name: LTM_Site_Locations

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Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: <div>Surface water chemistry is a direct indicator of the effects of acid rain on water bodies. Networks that monitor surface water chemistry over long time periods provide valuable information on aquatic ecosystem health and how water bodies respond to changes in acid-causing emissions. EPA oversees the Long-Term Monitoring (LTM) program, which tracks changes in surface water chemistry in response to changing air emissions and acid deposition.</div><div><br /></div><div>The goal of this long-term program is to track whether the Clean Air Act Amendments (CAAA) have been effective in reducing the acidity of surface waters in New England, the Adirondack Mountains, Appalachian Plateau, and the Central Appalachians and advance the science of air pollution impacts on water resources.</div><div><br /></div><div>This layer file lists the location of streams and lakes that are included in our annual trend analysis for our LTM program. </div><div><br /></div><div>LTM water quality data can be found at: <a href="https://doi.org/10.23719/1518546" target="_blank">https://doi.org/10.23719/1518546</a></div><div><br /></div><div>LTM website can be found at: <a href="https://www.epa.gov/airmarkets/monitoring-surface-water-chemistry" target="_blank">https://www.epa.gov/airmarkets/monitoring-surface-water-chemistry</a></div><div><br /></div>

Copyright Text:

Min. Scale: 18489298

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -9110409.39041967
YMin: 4379407.92250328
XMax: -7576315.48779757
YMax: 5780525.49777969
Spatial Reference: 102100 (3857)

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Object ID Field: ObjectId

Unique ID Field:

Name : ObjectId

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• SITE_ID (type: esriFieldTypeString, alias: SITE_ID, SQL Type: sqlTypeNVarchar, length: 256, nullable: true, editable: true)
• SITE_NAME (type: esriFieldTypeString, alias: SITE_NAME, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• REGION (type: esriFieldTypeString, alias: REGION, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Image (type: esriFieldTypeString, alias: Image, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• File_type (type: esriFieldTypeString, alias: File_type, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Photo_Credit (type: esriFieldTypeString, alias: Photo Credit, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Notes (type: esriFieldTypeString, alias: Notes, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Image_Location (type: esriFieldTypeString, alias: Image_Location, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Google_Drive_ID (type: esriFieldTypeString, alias: Google_Drive_ID, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Google_Drive_Image_URL (type: esriFieldTypeString, alias: Google_Drive_Image_URL, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Google_Drive_Image_URL_Download (type: esriFieldTypeString, alias: Google_Drive_Image_URL_Download, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Graph_Location (type: esriFieldTypeString, alias: Graph_Location, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Graph_Google_Drive_ID (type: esriFieldTypeString, alias: Graph_Google_Drive_ID, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Graph_Google_Drive_URL (type: esriFieldTypeString, alias: Graph_Google_Drive_URL, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• Graph_Google_Drive_URL_Download (type: esriFieldTypeString, alias: Graph_Google_Drive_URL_Download, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• LATDD (type: esriFieldTypeDouble, alias: LATDD, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• LONDD (type: esriFieldTypeDouble, alias: LONDD, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• SO4_SLOPE (type: esriFieldTypeDouble, alias: SO4_SLOPE, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• NO3_SLOPE (type: esriFieldTypeDouble, alias: NO3_SLOPE, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• ANC_SLOPE (type: esriFieldTypeDouble, alias: ANC_SLOPE, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• SO4_P_VAL (type: esriFieldTypeDouble, alias: SO4_P_VAL, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• NO3_P_VAL (type: esriFieldTypeDouble, alias: NO3_P_VAL, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• ANC_P_VAL (type: esriFieldTypeDouble, alias: ANC_P_VAL, SQL Type: sqlTypeFloat, nullable: true, editable: true)
• SO4_DIR (type: esriFieldTypeString, alias: SO4_DIR, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• NO3_DIR (type: esriFieldTypeString, alias: NO3_DIR, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• ANC_DIR (type: esriFieldTypeString, alias: ANC_DIR, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• DOC_DIR (type: esriFieldTypeString, alias: DOC_DIR, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• SBC_ALL_DIR (type: esriFieldTypeString, alias: SBC_ALL_DIR, SQL Type: sqlTypeNVarchar, length: 4000, nullable: true, editable: true)
• ObjectId (type: esriFieldTypeOID, alias: ObjectId, SQL Type: sqlTypeInteger, length: 0, nullable: false, editable: false)

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Last Edit Date: 4/8/2021 7:18:46 PM

Schema Last Edit Date: 4/8/2021 7:18:46 PM

Data Last Edit Date: 4/8/2021 7:18:46 PM

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