Name: Ordinary High Water Mark Base
Display Field: Confidence
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: The Ordinary High Water Mark (OHWM) was delineated using high resolution drone imagery, flown at 200 ft with a 1"sensor (Phantom 4 Pro V2.). The OHWM was delineated along color differences in the sand or along the edge of bulkhead walls that were waterward of OHWM. This was verified for assumption accuracy by certified wetland delineation staff and City staff. Where the shoreline was not visible under tree canopy, the delineation represents a best guess using adjacent parcels with visible OHWM lines.
The Watershed Company
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: 1329601.2098078
YMin: 362261.124027729
XMax: 1338867.61975265
YMax: 373330.748213887
Spatial Reference: 102748 (2285)
Drawing Info:
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HasZ: true
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: GlobalID
Type ID Field:
Fields:
- Confidence (type: esriFieldTypeString, alias: Confidence, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
- Notes (type: esriFieldTypeString, alias: Notes, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
- GlobalID (type: esriFieldTypeGlobalID, alias: GlobalID, SQL Type: sqlTypeOther, length: 38, nullable: false, editable: false)
- created_user (type: esriFieldTypeString, alias: created_user, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: false)
- created_date (type: esriFieldTypeDate, alias: created_date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
- last_edited_user (type: esriFieldTypeString, alias: last_edited_user, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: false)
- last_edited_date (type: esriFieldTypeDate, alias: last_edited_date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: false)
- OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
- Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Templates:
Name: Ordinary High Water Mark Base
Description:
Drawing Tool: esriFeatureEditToolLine
Prototype:
Is Data Versioned: false
Has Contingent Values: false
Supports Rollback On Failure Parameter: true
Last Edit Date: 7/16/2026 3:16:46 PM
Schema Last Edit Date: 6/23/2023 8:28:58 PM
Data Last Edit Date: 6/23/2023 8:28:58 PM
Supported Operations:
Query
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Query Bins
Generate Renderer
Validate SQL
Get Estimates
ConvertFormat