Layers:

Layer: Public Health Advisory (0)

Name: Public Health Advisory

Display Field: Waterbody

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: 15 NWT lakes with Public Health Advisory (mercury levels) notices from the GNWT Department of Health and Social Services. There are 15 lakes with health advisory notices/fish consumption notices in the NWT. The Department of Health and Social Services provided information on safe consumption limits for various fish species. Hyperlinks to fish-consumption notices were appended to point data by a URL link in an attribute column.

Copyright Text:

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Spatial Reference: 102002  (102002)



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Description: Mercury Levels in Fish Public Health Advisories
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Type ID Field: null

Fields:
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• Waterbody ( type: esriFieldTypeString, alias: Waterbody, length: 254 )
• HSS_URL ( type: esriFieldTypeString, alias: Web Resource, length: 150 )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )

Layer: Sampled Waterbodies (1)

Name: Sampled Waterbodies

Display Field: Waterbody

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: Data compilation of water arsenic sample locations, for various lakes in the Yellowknife area, supplied to NWTCG from ENR CIMP (Mike Palmer) as well as HSS (Linna Ohara via Joel Holder(ENR)). For more information pertaining to these surveys please contact the government departments.Arsenic levels are obtained during open water season.Grace Lakes Arsenic level is an average from multiple samples.Chemistry AttributesAs = ArsenicSb = Antimony

Copyright Text:

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YMin: 2601081.245099999
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Spatial Reference: 102002  (102002)



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Type ID Field: null

Fields:
• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Waterbody ( type: esriFieldTypeString, alias: Waterbody, length: 254 )
• Site ( type: esriFieldTypeString, alias: Site, length: 254 )
• As_ ( type: esriFieldTypeDouble, alias: Dissolved Arsenic (ppb) )
• Study ( type: esriFieldTypeString, alias: Study, length: 254 )
• Year ( type: esriFieldTypeDouble, alias: Year )
• HSS_URL ( type: esriFieldTypeString, alias: Web Resource, length: 150 )
• HC_Guide ( type: esriFieldTypeInteger, alias: Health Canada Drinking Water Guidelines for Arsenic (ppb) )
• Colour ( type: esriFieldTypeString, alias: Colour, length: 50 )
• Lat ( type: esriFieldTypeDouble, alias: Latitude )
• Long ( type: esriFieldTypeDouble, alias: Longitude )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )

Layer: Mine Lease Boundaries (2)

Name: Mine Lease Boundaries

Display Field: Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Lease Boundaries for two mines (Con and Giant Mines) in the Yellowknife Area.

Copyright Text:

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Spatial Reference: 102002  (102002)



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HasZ: false

HasM: false

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Type ID Field: null

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Layer: Areas of Interest (3)

Name: Areas of Interest

Display Field: ZoneName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Area defined by HSS, based on Arsenic Levels from HEA_HSS_ArsenicLevels_YellowknifeAreaWater. Created 5/30/2018.

Copyright Text:

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Spatial Reference: 102002  (102002)



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  Label: Approximate Footprint of Yellowknife
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Layer: Yellowknife Area Mushroom Zones (4)

Name: Yellowknife Area Mushroom Zones

Display Field: Comment

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Mushroom consumption advisory zones around Giant Mine at <10km, 10-25 km and >25 km. For use in GNWT Department of Health and Social Services (HSS) webmap/app found at this address:https://www.hss.gov.nt.ca/en/newsroom/arsenic-lake-water-around-yellowknife

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Spatial Reference: 102002  (102002)



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