Name: MedrdvdPoly

Display Field: MIDAS_DDA

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Contains watershed boundaries for most ponds and rivers in Maine, based on USGS 1:24,000 scale topography. Drainage boundaries were determined using the 1:24,000 scale contours and were delineated on mylar copies of these maps by USGS staff in Augusta, ME in 1989. The mylars were digitized by Maine Geological Survey (MGS) in 1990 for the Maine Low-Level Radioactive Waste Authority. In 1993 MEGIS staff added the 1:24,000 coastline to this cover to close the coastal drainage. Divides were delineated on many coastal peninsulas to facilitate the selection of drainages for coastal embayments. Preliminary polygon coding was also begun at this time. At present the USGS's 8-digit Hydrologic Unit Code (HUC) has been added to all polygons. Extensive additional coding was done by DEP staff to delineate MIDAS numbers for watersheds, river drainages, and correct known errors.

Copyright Text: Credit should always be given to the data source and/or originator when the data is transferred or printed.

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: 297197.843595556
YMin: 4751538.49993582
XMax: 662119.312740691
YMax: 5327575.99986286
Spatial Reference: 26919 (26919)

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True

Global ID Field: GlobalID

Type ID Field:

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• MIDAS_DDA (type: esriFieldTypeString, alias: MIDAS_DDA, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
• MASTER_ID (type: esriFieldTypeDouble, alias: MASTER_ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• THIRD_RIVER (type: esriFieldTypeString, alias: THIRD_RIVER, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
• SECOND_RIVER (type: esriFieldTypeString, alias: SECOND_RIVER, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
• FOURTH_RIVER (type: esriFieldTypeString, alias: FOURTH_RIVER, SQL Type: sqlTypeOther, length: 25, nullable: true, editable: true)
• ACRES (type: esriFieldTypeDouble, alias: ACRES, SQL Type: sqlTypeOther, nullable: true, editable: true)
• SQMILES (type: esriFieldTypeDouble, alias: SQMILES, SQL Type: sqlTypeOther, nullable: true, editable: true)
• POND98 (type: esriFieldTypeString, alias: POND98, SQL Type: sqlTypeOther, length: 24, nullable: true, editable: true)
• RIVER (type: esriFieldTypeString, alias: RIVER, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
• BROOK (type: esriFieldTypeString, alias: BROOK, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
• LOCAL_ (type: esriFieldTypeString, alias: LOCAL_, SQL Type: sqlTypeOther, length: 2, nullable: true, editable: true)
• HUC (type: esriFieldTypeString, alias: HUC, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
• DRDVDERROR (type: esriFieldTypeString, alias: DRDVDERROR, SQL Type: sqlTypeOther, length: 6, nullable: true, editable: true)
• RISK (type: esriFieldTypeString, alias: RISK, SQL Type: sqlTypeOther, length: 10, nullable: true, editable: true)
• JURISDICTION (type: esriFieldTypeString, alias: JURISDICTION, SQL Type: sqlTypeOther, length: 10, nullable: true, editable: true)
• GlobalID (type: esriFieldTypeGlobalID, alias: GlobalID, SQL Type: sqlTypeOther, length: 38, nullable: false, editable: false)
• 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: MedrdvdPoly
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 8/31/2026 1:06:56 PM

Schema Last Edit Date: 8/31/2026 1:06:56 PM

Data Last Edit Date: 8/31/2026 1:06:56 PM

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