Name: Wellhead Protection Area
Display Field: Well_Name
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: previous layers were "TCC_CKL_WELLHEAD_PROTECTION_ZONE", "WELLHEAD_PROTECTION_AREA", "TCC_CKL_WHPA_NOGUDI_VULNERABILITY_SCORES" available on coklsde under Source Protection.
-----
Wellhead Protection Areas with Vulnerability Scores within the KHSPA, obtained from Trent Conservation Coalition by downloading the boundary and vulnerability scoring data and joining them together.
Data obtained from this link: https://trentsourceprotection.on.ca/resources/data-downloads
January 11, 2022
-----
The surface and subsurface area surrounding a water well or well field that supplies a municipal residential system or other designated system through which contaminants are reasonably likely to move so as to eventually reach the water well or well.
Vulnerability Score for Wellhead Protection Areas (VSA_GW)
LSRCA dataset copyright by Kings Printer for Ontario
GIS layer cannot be released without approval from the GIS department. There are no restrictions for displaying and providing the data on hardcopy or PDF as long as the disclaimer is used.
Trent Conservation Coalition, https://trentsourceprotection.on.ca/resources/data-downloads
Lake Simcoe Region Conservation Authority
Min. Scale: 0
Max. Scale: 0
Default Visibility: true
Max Record Count: 2000
Supported query Formats: JSON, geoJSON, PBF
Use Standardized Queries: True
Extent:
XMin: -8829985.5572
YMin: 5471059.5062
XMax: -8796536.4594
YMax: 5582548.9239
Spatial Reference: 102100 (3857)
Drawing Info:
{"renderer":{"type":"simple","symbol":{"type":"esriSFS","style":"esriSFSSolid","color":[254,177,25,178],"outline":{"type":"esriSLS","style":"esriSLSSolid","color":[110,110,110,0],"width":0.7}}},"scaleSymbols":true,"transparency":30,"labelingInfo":null}
HasZ: false
HasM: false
Has Attachments: false
Has Geometry Properties: true
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Object ID Field: OBJECTID
Unique ID Field:
IsSystemMaintained : True
Global ID Field:
Type ID Field:
Fields:
- OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
- Well_Name (type: esriFieldTypeString, alias: Well_Name, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
- DATA_OWNER (type: esriFieldTypeString, alias: Data Provided By, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
- Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
- Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Templates:
Name: Wellhead Protection Area
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:
Is Data Versioned: false
Has Contingent Values: false
Supports Rollback On Failure Parameter: true
Last Edit Date: 6/18/2026 8:36:25 AM
Schema Last Edit Date: 6/18/2026 8:36:25 AM
Data Last Edit Date: 6/18/2026 8:36:25 AM
Supported Operations:
Query
Query Pivot
Query Top Features
Query Analytic
Query Bins
Generate Renderer
Validate SQL
Get Estimates
ConvertFormat